The Periodic Table of the Elements was probably a dreary chart on your classroom wall when you were a child. Unfortunately, for many people, the periodic table is the thing they were forced to memorise as youngsters. But the fact is that this small table is a must-have for scientists all over the world. The periodic table has a few fun, interesting, and little-known facts written equally with science enthusiasts and any students studying chemistry in mind.
Scientists preferred battery elements to weigh the elements
Scientists passed currents through multiple solutions to split them up into the atoms of particular elements in order to calculate the weight of each of the 63 known elements at the time.
Batteries were used to distinguish the atoms because their polarity caused atoms of one element to move in one direction while those of another moved in the opposite direction. The atoms were then separated and measured in different containers.
King of kings CARBON
To measure the weight of each of the 63 known elements at the time, scientists moved currents through various solutions to break them up into the atoms of specific elements.
Since the polarity of batteries caused atoms of one element to move in one direction while those of another moved in the opposite direction, they were used to separate the atoms. After that, the atoms were divided.
The periodic table might not be able to extend to 137 elements
The physicist Richard Feynman predicted that if the 137th factor exists, we would never be able to see it.
This is partially due to the fact that the electrons of element 137 will orbit at the speed of light in theory. In theory, the electrons of element 139 will orbit faster than the speed of light, making it difficult to achieve given current scientific knowledge.
Opposites always attract
The groups that “kiss” are the ones that can be stably fused together if you take the modern periodic table, cut out the complicated middle columns, and fold it once down the middle of the Group 4 elements.
These elements have complementary electron structures, allowing them to be mixed together. It’s so lovely..isn’t it.
Some elements are more understandable in the Greek language
Then there are the elements that are named after the Greek word that best describes their characteristics. The word “argon” comes from the Greek word “Argos,” which means “lazy” or “idle.” Bromine, which has an unpleasant odour, is named after the Greek word “bromos,” which means “stench.”
Some of the elements named after famous Scientists, Planets or Mythological Figures
Albert Einstein was given the name Einsteinium, while germanium, americium, and gallium were given the names of the sites where they were discovered. Uranium was named shortly after Uranus was discovered.
Some of the elements have mythological names. Thorium, for example, is named after Thor, the Scandinavian god of thunder. Titanium, on the other hand, is named after the Greek gods of war.
Technetium- The first artificial element
Einsteinium was named after Albert Einstein, while germanium, americium, and gallium were named after the locations where they were found. Uranium was named after the planet Uranus, which was discovered soon after.
The names of some of the elements are mythological. Thorium, for instance, is named after Thor, the Scandinavian thunder god. On the other side, titanium is named after the Greek gods of battle.
It was used to correctly predict elements that hadn’t been discovered
There were some open spaces in Mendeleyev’s original periodic table when he placed it together. Mendeleyev was able to correctly predict the discovery of a few elements by estimating their properties in relation to other elements near the table’s spaces. Before they were found, he correctly estimated the weights and chemical actions of gallium, scandium, and germanium.
And that’s all about today’s article. Hope you enjoyed knowing these facts about the periodic table which was never been told in our boring science classes. LOL!
Top 10 Most Visited Social Media Platform in the World 2021
If you spend any time online, it’s likely you’re familiar with some of the world’s most visited websites. On today’s internet, a handful of giants have unmatched dominance.
Top Three Websites (Monthly visits):
- Google: 92.5 billion
- YouTube: 34.6 billion
- Facebook: 25.5 billion
Together, the top three websites rake in 152 billion visits monthly, outpacing the next 47 websites combined. What’s more, as the pandemic transformed everything from the way we work, learn, communicate, and shop—a majority of these activities migrated online.
In this new visualization, we look at the most visited websites around the world, drawing data from Similar web (as of November 2020). There were some adults websites and application in these top 10 list but not added here because of some policies and conditions.
Yahoo is an American web service provider. It is headquartered in Sunny wale, California and owned by Verizon Media, which acquired it in 2017 for $4.48 billion. It currently provides a Web portals, Search engine Yahoo! Search, and related services, including Yahoo! mail, Yahoo!News, Yahoo! Finance, Fantasy sports and its advertising platform, Verizon media native
Yahoo! was founded by Jerry Yang and David Filo in January 1994 and was incorporated on March 2, 1995. Yahoo was one of the pioneers of the early Internet era in the 1990’s. In 2000, it was the most popular website.
Instagram (commonly abbreviated to IG or Insta) is an American photo and video sharing social network created by Kevin Systrome and Mike Krieger. In April 2012, Facebook acquired the service for approximately US$1 billion in cash and stock. The app allows users to upload media that can be edited with Filters and organized by hashtags and geographical tagging. Posts can be shared publicly or with pre-approved followers. Users can browse other users’ content by tags and locations and view trending content. Users can like photos and follow other users to add their content to a personal feed.
Instagram was originally distinguished by only allowing content to be framed in a square (1:1) aspect ratio with 640 pixels to match the display width of the iPhone at the time. In 2015, these restrictions were eased with an increase to 1080 pixels. The service also added messaging features, the ability to include multiple images or videos in a single post, and a Stories feature—similar to its main opposition Snapchat—which allows users to post photos and videos to a sequential feed, with each post accessible by others for 24 hours each. As of January 2019, the Stories feature is used by 500 million users daily.
Twitter is an American micro blogging and social networking service on which users post and interact with messages known as “tweets”. Registered users can post, like and retweet tweets, but unregistered users can only read them. Users access Twitter through its website interface or its mobile-device application software(“app”), though the service could also be accessed via SMS before April 2020. Twitter, Inc. is based in San Francisco, California and has more than 25 offices around the world. Tweets were originally restricted to 140 characters, but was doubled to 280 for non-CJK Languages in November 2017. Audio and video tweets remain limited to 140 seconds for most accounts.
Amazon.com, Inc. is an American multinational technical company based in Seattle,Washington, which focuses on e-commerce, cloud computing, digital streaming, and artificial intelligence. It is one of the Big five companies in the U.S. information technology industry, along with Google, Apple, Microsoft and Facebook. The company has been referred to as “one of the most influential economic and cultural forces in the world”, as well as the world’s most valuable brand.
Jeff Bezos founded Amazon from his garage in Bellevue, Washington, on July 5, 1994. It started as an online marketplace for books but expanded to sell electronics, software, video games, apparel, furniture, food, toys, and jewelry. In 2015, Amazon surpassed Walmart as the most valuable retailer in the United States by market capitalization. In 2017, Amazon acquired Whole Food Market for US$13.4 billion, which substantially increased its footprint as a physical retailer. In 2018, its two-day delivery service, Amazon Prime, surpassed 100 million subscribers worldwide.
WhatsApp Messenger, or simply WhatsApp, is an American freeware, cross platform centralized messaging and voice over IP service owned by Facebook, Inc. It allows users to send text messages and voice messages, make voice and video calls, and share images, documents, user locations, and other content. WhatsApp’s client application runs on mobile devices but is also accessible from desktop computers, as long as the user’s mobile device remains connected to the Internet while they use the desktop app. In January 2018, WhatsApp released a standalone business app targeted at small business owners, called WhatsApp Business, to allow companies to communicate with customers who use the standard WhatsApp client.
The client application was created by WhatsApp Inc. of Mountain View, California, which was acquired by Facebook in February 2014 for approximately US$19.3 billion. It became the world’s most popular messaging application by 2015, and has over 2 billion users worldwide as of February 2020. It has become the primary means of internet communication in multiple locations, including Latin America, the Indian subcontinent, and large parts of Europe and Africa.
It is a free, multilingual Online Encyclopedia written and maintained by a community of volunteer contribution through open collaboration, using a wiki-based editing system. Wikipedia is the largest and most-read reference work in history, and is consistently one of the 15 most-popular websites as ranked by Alexa; as of 2021, it ranked as the 13th most-popular. The project carries no advertisement and is hosted by the wiki media foundation, an American non profit organisation funded mainly through donations.
Wikipedia was launched on January 15, 2001, by Jimmy Wales and Larry Sanger; Sanger coined its name as a portmanteau of “wiki” and “encyclopedia”. Initially available only in English, versions in other languages were quickly developed. The English Wikipedia, with 6.3 million articles as of May 2021, is the largest of the 321 language edition. Combined, Wikipedia’s editions comprise more than 56 million articles, and attract more than 17 million edits and more than 1.7 billion unique visitors per month.
Baidu, meaning “a hundred times” or “a hundred degrees”, anglicized is a Chinese multinational technology company, specializing in Internet-related services and products and artificial intelligence (AI), headquartered in Beijing’s Haidan District. It is one of the largest AI and Internet companies in the world. The holding company of the group is incorporated in the Cayman island. Baidu was incorporated in January 2000 by Robin Li and Eric Xu. The Baidu search engine is currently the forth largest website in the Alexa Internet rankings. Baidu has origins in RankDex, an earlier search engine developed by Robin Li in 1996, before he founded Baidu in 2000.
Facebook (stylized as facebook) is an American online social media and social networking service based in Men lo park, California, and a flagship service of the namesake company Facebook,Inc. It was founded by Mark Zuckerberg.
The founders of Facebook initially limited membership to Harvard students. Membership was expanded to Columbia, Stanford, and Yale before being expanded to the rest of the Ivy League, MIT, NYU, Boston University, then various other universities in the US and Canada, and lastly high school students. Since 2006, anyone who claims to be at least 13 years old has been allowed to become a registered user of Facebook, though this may vary depending on local laws. The name comes from the face-book directories often given to American university students.
YouTube is an online video platform owned by Google. In total, users watch more than one billion hours of YouTube videos each day, and hundreds of hours of video content are uploaded to YouTube servers every minute.
YouTube provides several ways to watch videos, including the website, the mobile apps, and permitting other websites to embed them. Available content includes music video, video clips, short and documentary films, audio recordings and vlogs. Most content is generated by individual, but media corporations also publish videos. Besides watching and uploading,registered users can comment on videos, rate them, create playlists, and subscribe to other users.
Founded in 2005, YouTube was acquired the following year by Google for US$1.65 billion. It has become one of the company’s most lucrative subsidiaries earning $19.8 billion in 2020. YouTube and selected creators earn advertising revenue from Google’s Ad sense program. The vast majority of videos are free to view, but some require a music or premium subscription.
Google LLC is an American multinational technology company that specializes in Internet-related services and products, which include online advertisement, a search engine, cloud software, and hardware. It is considered one of the five Big Tech companies along with Amazon, Apple, Google and Microsoft.
Google was founded in September 1998 by Larry Paige and Sergey while they were Ph.D. students at Stanford University in California. Together they own about 14% of its shares and control 56% of the stockholder voting power through super-voting stock. Google was incorporated in California on September 4, 1998. Google was then reincorporated in Delaware on October 22, 2002. Sundar Pichai was appointed CEO of Google, replacing Larry Page, who became the CEO of Alphabet. In 2021, the Alphabet Union Workers was founded, mainly composed of Google employees.
Top 10 Richest Countries over the Globe 2021
What are the top 10 richest countries in the world? Qatar has consistently come out on top of the list in recent years. For many of us, this question almost automatically brings to mind economic powerhouses such as the United States and China. This may be true if one is to use the gross domestic product (GDP) as the basis for measuring national wealth. However, size is of no consequence, and national revenue no longer a reliable basis by which to classify whether a country is rich or poor.
Experts have found that a far more accurate alternative is to look at each nation’s data on GDP per capita based on purchasing power parity. To put it simply, a country’s wealth should be measured by the totality of all goods and services (excluding revenue and investments from overseas), taking into account a country’s population. So in the case of Qatar, which remains the richest country in the world today, its GDP per capita of $129,360 represents the annual income of the average Qatari.
The International Monetary Fund (IMF) is known for issuing biannual reports on the economic performance of the world’s richest nations based on their GDP per capita. It likewise makes use of PPP capita as an additional basis for its report. Essentially, PPP makes a just comparison of living conditions among different countries by taking into consideration inflation rates and the relative cost of living.
Traditional economic powers have ceased to become the wealthiest nations in the world. Although GDPs have been increasing at breakneck speed, the distribution of wealth has yet to undergo radical changes. Here, we list the top 10 richest countries in the world.
This former colony of Great Britain is now a special administrative region of China, which begs the question: is it an independent country? This is apparently the case as the whole world in general treats it as one. It is one of Asia’s financial hubs, ranking no. 4 out of the world’s 190 economies in the Ease of Doing Business index that the World Bank periodically compiles. A popular destination for startups, Hong Kong is open to foreigners owning 100% of their businesses despite the absence of citizenship. It is also home to the largest number of ultra-high net worth ($30 million at the least) people in the world.
Ninth in our top 10 richest countries in the world list, this small Arab nation is known for having a petroleum-based economy with petroleum-based products accounting for 95 percent of its exports. It, therefore, does not come as a surprise that Kuwait’s GDP per capita has reached $66,980, spiking by 1.9 percent from the previous year. The country is not only the ninth richest in the world, but is also one of the wealthiest among Gulf Cooperation Council member states, second only to Qatar. But the fact that the country sits on around 10 percent of the world’s petroleum reserves has not kept it from exploring other revenue sources. In fact, it has been seeking to diversify into other potential income sources in preparation for the future.
the United Arab Emirates (UAE) –
Another Middle Eastern country that relies heavily on petroleum revenues, the United Arab Emirates (UAE) also benefits from income derived from its telecommunications and services sectors. It does not rest on its laurels despite being among the world’s most wealthy nations. It has been diversifying its income sources, betting on industries that have high-yield potential. This move has immensely benefited the national economy, with the tourist trade helping the economy through the 2007-2009 world financial crisis. Sound economic policy has indeed been sustaining the UAE, resulting in a 2.4 percent increase in its GDP per capita, which now stands at $70,262.
A prominent country in Scandinavia, Norway is gifted with both beauty and charm, not to mention a rich economy. In fact, its GDP per capita has expanded by 3.1 percent in 2018, reaching a staggering $74,318. Industrialization has greatly contributed to the country’s economic growth, with activities such as natural resources and petroleum exploration, and fishing contributing in bulk to the economy. Known for its impeccable living standards, Norway’s monetary policy is of an independent nature, which has apparently been working to its advantage given its high productivity, state-sponsored healthcare, and negligible unemployment rate.
The land is known for weaning great writers and its lovely tourist spots, Ireland has evolved into one of the most affluent nations in the world. It has one of the highest living standards worldwide thanks to its robust economy, which is primarily driven by trade and investment specifically. Ireland’s GDP per capita has increased by 6.1 percent, reaching $77.670. Despite peaking in 2008, Ireland’s economic growth remains the envy of other countries. The entry of foreign investors like Microsoft, Google, and Apple has transformed the country into an exporter of medical, electrical, and computer equipment. Also contributing to its economic growth are its pharmaceutical and chemical industries, along with natural resources such as fisheries, minerals, and timber.
Brunei Darussalam –
This small Southeast Asian nation is populated by only 400,000 people. But don’t let its size fool you. Brunei Darussalam has consistently made it to the top 10 richest countries in the world in recent years. This year, the country holds the no. 5 spots with a GDP per capita of $81,612, up 3.1 percent from 2017. This robust Southeast Asian economy is heavily dependent on its oil and natural gas production, which supports more than half of its GDP. This is further reinforced with income from its investments overseas and local production. Brunei, however, is starting to diversify its economy by investing in other sectors. The strong economy is reflected in the government’s subsidy of food and housing and the provision of free healthcare to its people.
This cosmopolitan city-state of 5.612 million people is known as the wealthiest nation in Asia and by far, fourth in the whole world with a GDP per capita of $98, 255, a 4.4 percent increase from 2017. Despite its minuscule size, lack of natural resources, and agricultural land, it has managed to amass wealth that other countries only dream of. Today, Singapore’s economy continues to grow, driven primarily by foreign investments and trade. The largest economic sectors include banking, shipbuilding, and electronics. Dubbed as the most expensive country in the world, Singapore has been living up to its reputation as its economy expanded by 3.9 percent during the second quarter of 2018 alone. Much of this has been attributed to the country’s liberal economic policy and multicultural economy. Although the financial services sector remains the backbone of the country’s economy, its services and manufacturing industries have consistently contributed to its economic standing.
This small European nation is known for its majestic castles, delectable cuisines, and being the last Grand Duchy in the world. But the country more than makes up for its size with its strong economy. Luxembourg ranks third in our list of the top 10 richest countries in the world. The country has posted a GDP per capita of $109, 199, an increase of 3.9 percent from last year. Its diverse natural resources are seen as the main driver of Luxembourg’s economic growth with the steel, industrial, and banking segments as its leading revenue generators. It has also been attracting banks from around the globe owing to its low taxes, proof of which is the fact that the country has over 150 banks. Conservative economic policies have also played a role in the country’s economic growth with an economy known for innovation and negligible inflation rates.
This former Portuguese colony has established itself as the second wealthiest nation in the world, posting a 7.4 percent increase in its GDP per capita, which has reached $118.099. Its strong economy is driven primarily by tourism and gambling, earning the title “largest gambling center in the world.” Compared to other gambling economies, Macau has reaped the most benefit from the sector, continuously posting the highest gambling revenue in the world since the year 2006. Visitor arrivals have likewise increased, rising by 8 percent to 16.81 million during the first six months of 2018. Although these income sources have been consistently delivering, moves to develop the administrative and manufacturing sectors are underway.
Ranking first in our Top 10 richest countries in the world list is oil-rich Qatar. Its robust economy, which has been outperforming the rest of the world, is powered by its well-established petroleum sector, which accounts for around 85 percent of its export and 70 percent of total national revenue. With a population of only around 2.639 million, Qatar enjoys the economic benefits of a small nation blessed with vast oil reserves. The country, in recent years, has enjoyed surplus revenues from the oil sector. Aside from this, the tourist trade has also been contributing to the national coffers, along with its steel and fertilizer exports. But Qatar’s economy is far from perfect, relying on ex-pat labor to keep its economic engine running. The government does not levy any taxes on Qataris, making them enjoy their earnings in full, along with the national health insurance that the government sponsors
Top 10 Deserts in the World
Deserts cover more than one-fifth of the Earth‘s land area, and they are found on every continent. A place that receives less than 10 inches (25 centimeters) of rain per year is considered a desert. Deserts are part of a wider class of regions called drylands. … Only about 20 percent of deserts are covered by sand.
A desert is a barren area of landscape where little precipitation occurs and, consequently, living conditions are hostile for plant and animal life. The lack of vegetation exposes the unprotected surface of the ground to the processes of denudation.
Taklamakan Desert – Central Asia
The second-largest shifting-sand desert in the world, China’s Taklamakan Desert covers an area of 130,000 square miles (337,000 square kilometers). The desert is an incredibly harsh environment with lows going well below zero degrees in the winter, and water sources are almost nonexistent, making the area almost devoid of flora and fauna. Even those on the Silk Road tried to avoid the area by traveling on the fringes of the desert.
Tabernas Desert – Spain
The Tabernas Desert is known as ‘mainland Europe’s only desert’ and is located in southeastern Spain, north of Almería. Serving as a locale for many popular movies over the years, especially spaghetti westerns, visitors will find Western-style towns dotting the landscape. As with many deserts, the area is home to many reptiles, amphibians, and birds. While there are not a lot of mammals, you might see an Algerian hedgehog.
Rub’ al Khali – Saudi Arabia
Known as the Empty Quarter in English, the Rub’ al Khali is the largest sand desert in the world that covers 225,000 square miles (583,000 square kilometers) throughout portions of Saudi Arabia, Oman, Yemen and the United Arab Emirates. The name ‘Empty Quarter’ is appropriate given its harsh environment, which does not allow much of anything to thrive there. However, that does not take away from its beauty.
Thar Desert – India/Pakistan
Also known as the Great Indian Desert, the Thar Desert is located in northwestern India and part of eastern Pakistan. The most populated desert on the planet, the Thar Desert is home to 83 people per square kilometer. The landscape is identifiable by large shifting sand dunes, which cover most of the desert, along with alluvial plains and salt lakes that appear during monsoon season. The biodiversity is impressive with more than 140 species of birds, 23 species of lizards, 25 snake species, plus the chinkara, or Indian gazelle, to name but a few.
Sonoran Desert – USA/Mexico
Spread over portions of Arizona, California, and Mexico, the Sonoran Desert is a beautiful landscape brimming with endemic fauna and flora, including the Saguaro and Organ Pipe cacti. The area is also rich in culture with many Native American tribes calling the area home, plus cities such Phoenix and Tucson. Attractions include many national parks, such as the Joshua Tree National Park, and wildlife refuges such as the Kofa National Wildlife Refuge, which protects desert bighorn sheep.
Mojave Desert – Nevada/California
The Mojave Desert covers portions of southeastern California and southern Nevada, along with small sections of northwestern Arizona and southwestern Utah. This desert is identifiable by the protected Joshua trees and is considered a ‘high desert.’ However, the incredible Death Valley, which is within the Mojave, is actually 282 feet (86 meters) below sea level. The Mojave is also home to the stunning Valley of Fire State Park plus many towns and museums, making it a very popular tourist destination.
Gobi Desert – China/Mongolia
The Gobi Desert is a beast of a desert spread across parts of southern Mongolia and northwestern China. It is famous for its role in the Mongol Empire and important stops along the Silk Road. The Gobi is also known for its extreme temperatures from as high as 122 degrees Fahrenheit (50 degrees Celsius) in the summer and extremely low temperatures in the winter. The area is also rich in fossils, including dinosaur eggs, and animals like Bactrian camels, Siberian ibex, and Gobi brown bears.
Atacama Desert – South America
Situated west of the Andes along the Pacific coast in Peru and Chile, the Atacama Desert is known as the ‘driest place on Earth’. Parts of the desert have never seen a drop of rain since records have been kept. This fact might lead you to believe that this area is devoid of life, but that’s not true. More than a million people call this desert home. Due to its location along the coast, the Atacama is cooler than most deserts and is frequently covered with fog.
Namib Desert – Africa
Stretching for 1,200 miles (1,931 kilometers), the Namib Desert happens to be one of the oldest on the planet – at least 55 million years. It is situated along the Atlantic coast of Africa in the countries of Namibia, Angola, and South Africa. Although a desert, the land is inhabited by an impressive array of flora and fauna, including ‘desert’ elephants that can go days without water.
Sahara Desert – Africa
Covering most of Northern Africa – 3.6 million square miles – the Sahara Desert is the third largest desert on the planet and the largest hot desert. While many people often think of the gorgeous sand dunes that are found in the Sahara, they only comprise a small portion. The landscape is primarily made of rocky hamada, or barren land with rocky plateaus. You’ll also find small patches of grassland (albeit sparse), shrubs of the desert variety, mountains, and salt flats. The Sahara is also home to an impressive array of flora and fauna, including several species of foxes.
To 10 Best Laptop Companies.
A laptop, laptop computer, or notebook computer is a small, portable personal computer (PC) with a screen and alphanumeric keyboard. These typically have a “clamshell” form factor, typically having the screen mounted on the inside of the upper lid of the clamshell and the keyboard on the inside of the lower lid, although 2-in-1 PCs with a detachable keyboard is often marketed as laptops or as having a “laptop mode.” Laptops are ideal for mobile use since they can be folded shut for transportation. Its name derives from the fact that it was considered practical to use while sitting on a person’s lap. Laptops are also used in a wide range of situations, including at college, in schools, for gaming, web surfing, personal multimedia, and general home computer use.
Hewlett- Packard(HP) is a multinational IT company located in California, USA. Established in the year 1939, HP boasts of having the highest numbers of customers buying laptops in India. HP has a market base in over more than 150 countries with the biggest market in India. HP holds a name in the market for making laptops with the latest technology and offers great features with excellent performance. Its amazing inbuilt technology has given the company the mileage to be on the top in the market. The HP Pavilion Notebook is considered the best-selling laptop variant of this brand.
Apple or Apple Inc. was established in 1976 by Steve Jobs with its headquarters situated in Cupertino, California, USA. Apple is amongst the best-rated brands in the world present in over more than 90 countries. This company has gained wide recognition and popularity amongst the customers for more than four decades now. Apple, in India, is the most popular for its hardware consumer products. Apple sells personal computers in the name of Macbook and attracts consumers for its smooth functionality. The main trademarks of an Apple computer are its wide-ranged features, amazing performance, inbuilt technology, and elegance.
Dell is a US Multinational company with its headquarters located in Round Rock, Texas. This company was founded in the year 1984 and is now operational in more than 70 countries around the world. This three-decade-old company is popular due to the smooth inbuilt features in their laptops. The company boasts of manufacturing laptops that are unique in their styles, performance, and elegance and thus have gained wide recognition and a name for themselves in the market. The most heavily sold laptop of Dell is the Dell Inspiron in the Indian market and has a good reputation in the market base.
Vaio was established in the year 1996. This company was a subsidiary to Sony till Feb 2014 but Sony sold 95% stake ownership right of the company to a Japanese company namely Japan Industrial Partners in 2014. The main trademark of the company is the manufacturing of laptops with excellent performance skills. The laptops are good in their inbuilt features, elegance, durability, and strength. This company has a big market in India with an increase in sales every year.
Lenovo is a very popular Chinese company established in the year 1984. It has a wide market base serving customers in more than 60 countries around the world. This company has garnered a name in itself in the manufacturing and selling of laptops with excellent performance skills. The laptops produced by these companies have well-inbuilt features, elegance, durability, and strength. One unique character of Lenovo laptops is their lifelike gaming experience. The Y series of Lenovo Laptops are specially designed for gamers and are a gamer’s paradise due to their larger-than-a-live gaming experience. They are widely popular in the Indian market and helps in generating a lot of revenue due to their high reputed market value.
Samsung is a South Korean Company established in the year 1969. Though it was established five decades ago, they started manufacturing electronic products in 1988. Its headquarters is situated in Suwon, South Korea, Samsung is rated amongst one of the topmost biggest companies manufacturing electronic goods on a global platform. Though its trademark has always been in manufacturing smartphones, in the past few years, Samsung has earned a good name in the laptop segment too. The smooth functionality with amazing performance skills topped with durability and elegance has made the Samsung laptops consumer-friendly and has earned a good reputation in the market.
Asus was established in the year 1989 with its headquarters in Taipei, Taiwan. This company has garnered a good name for itself on the world market in a very less time span. Asus boasts of manufacturing high-class laptops with top performance skills, wide-ranged features, technology, and strength at a very less price. This company has earned a good reputation in manufacturing of electronic goods in a world market in a less time.
Acer was established in the year 1976 with its headquarters in New Taipei, Taiwan. Though it was established in 1976, it came to India in the 1990s. This company has achieved new mileage in the world market scenario due to its competitive nature. Acer boasts of manufacturing laptops with long battery backup, excellent digital quality of sound, and its sleek designs of the screen display. It also manufactures laptops with good performance skills, wide features, elegance, and strength. Now, in India Acer laptops is in high demand which has uplifted the company’s worldwide value.
Toshiba is a Japanese company with its headquarters located in Minato, Tokyo, Japan. Since its inception in the year 1939, Toshiba has earned a lot of applause and accolades for manufacturing consumer-friendly electronic appliances at affordable rates. Toshiba boasts manufacturing laptops with good battery backup, excellent performance, amazing features, better technology, and durability. This company with more than seven decades of fame has a good market base in India and simultaneously on global platforms.
Alienware is a subsidiary product of Dell. This laptop brand basically deals with gaming and its experiences. This is the most sought-after laptop brand for gamers. The Alienware boasts of providing the best hardware, high-class gaming features, and advanced technology combined in one but at a high price. This combination is well received by the gamers or the customers looking for a gaming experience and it caters to the expectations of the customers by providing a lifelike gaming experience. Alienware has achieved a good reputation in the marketplace in India as well as across the globe due to its hands-on gaming experience.
Top 10 Deadliest Viruses Of All Time
A virus. Just a term for something that has the potential to completely ruin a normal life. Viruses are one of the deadliest things in this world. So here is the list of the top 10 deadliest viruses to shook and scare you. We must learn from these previous pandemics and viruses and try to be more prepared than ever while taking care of ourselves and our loved ones.
The mortality rate in the first outbreak was 25%, but it was more than 80% in the 1998-2000 outbreak in the Democratic Republic of Congo, as well as in the 2005 outbreak in Angola, according to the World Health Organization (WHO).
The Black Death
The plague changed the course of Europe’s history. With so many dead, labor became harder to find, bringing about better pay for workers and the end of Europe’s system of serfdom. Studies suggest that surviving workers had better access to meat and higher-quality bread. The lack of cheap labor may also have contributed to technological innovation.
Although rabies vaccines for pets, which were introduced in the 1920s, have helped make the disease exceedingly rare in the developed world, this condition remains a serious problem in India and parts of Africa.
Mortality rates were far higher in populations outside of Europe, where people had little contact with the virus before visitors brought it to their regions. For example, historians estimate 90% of the native population of the Americas died from smallpox introduced by European explorers. In the 20th century alone, smallpox killed 300 million people.
Dengue sickens 50 to 100 million people a year, according to WHO. Although the mortality rate for dengue fever is lower than some other viruses, at 2.5%, the virus can cause an Ebola-like disease called dengue hemorrhagic fever, and that condition has a mortality rate of 20% if left untreated. “We really need to think more about the dengue virus because it is a real threat to us,” Muhlberger said.
The most deadly flu pandemic, sometimes called the Spanish flu, began in 1918 and sickened up to 40% of the world’s population, killing an estimated 50 million people.
Although children in the developed world rarely die from rotavirus infection, the disease is a killer in the developing world, where rehydration treatments are not widely available.
The first known Ebola outbreaks in humans struck simultaneously in the Republic of Sudan and the Democratic Republic of Congo in 1976. Ebola is spread through contact with blood or other body fluids, or tissue from infected people or animals. The known strains vary dramatically in their deadliness, Elke Muhlberger, an Ebola virus expert and associate professor of microbiology at Boston University, told Live Science.
An estimated 32 million people have died from HIV since the disease was first recognized in the early 1980s. “The infectious disease that takes the biggest toll on mankind right now is HIV,” Adalja said.
The coronavirus outbreak came to light on December 31, 2019, when China informed the World Health Organisation of a cluster of cases of pneumonia of an unknown cause in Wuhan City in Hubei Province. Subsequently, the disease spread to more Provinces in China, and the rest of the world. The WHO has now declared it a pandemic. The virus has been named SARS-CoV-2 and the disease is now called COVID-19.
So this was the list of the top 10 deadliest viruses of all time. If you liked these then also check more amazing lists by clicking here.
Top 10 Fastest Trains in The World 2020.
In 2021, there are negligible trains are running due to pandemic. What is the maximum speed for trains? In 2015, the Japanese maglev train L0 Series achieved an absolute railway speed record of 375 mph (602 km/h). In reality, there are about 10 super-fast trains with a speed greater than 200 mph. In this comparative review, we have collected such fastest trains in the world. You will find out what are the fastest trains in the world, what are their maximum speeds, in which countries they operate, who their manufacturer is and a lot of other interesting information.
In the post-war years when the baby boomers were kids, the word “train” used to evoke different images. These were images of colossal lumbering beasts such as the Flying Scotsman and Union Pacific Big Boy with six feet tall cast iron wheels and huge pistons heaving to and fro. From 1964 that all changed. The first “bullet train”, formally known as Shinkansen, ran in 1964 between Tokyo and Osaka. Ever since, the world has viewed railways differently.
Talgo 350, 217 mph, Spain –
Patentes Talgo, a Spanish company, developed Talgo 350 (T350). This very high-speed train entered the service with the name RENFE AVE Class 102. Besides, it started its journey on the Madrid-Barcelona and Madrid-Valladolid lines in Spain. The train is also known as Pato as its nose resembles the beak of a duck.
Spain commenced the trial runs of the entirely constructed prototype in 2002. Additionally, the designers designed the T350 train to be optimally aerodynamic to handle air pressure and air currents at high speeds. Its main feature is the high redundancy level in traction between rail and auxiliary systems. Moreover, it has a lightweight, airtight, and pressurized car body to comfortably pass through tunnels and crossings.
AGV Italo, 224 mph, Italy –
The first train in the AGV Series, Italo AGV, entered into service in April 2012. Officials considered it to be the most modern train in Europe. Besides, this train operates with the highest speed of 186 mph on Italy’s different high-speed lines. However, the AGV can run up to 224 mph. AGV trains consist of a fewer number of bogies per train that reduce the maintenance costs.
We can find more space inside of this high-speed train because it uses permanent-magnet synchronous motors. Additionally, the passengers of AVG Italo trains can travel between Rome and Naples in just an hour. Moreover, the trail follows the European TSI interoperability standard, which offers safety, reliability and environmental protection, availability, health, and technical compatibility.
Siemens Velaro, 250 mph, Spain –
The german-based company, siemens, developed thE world’s fastest high-speed conventional train. Additionally, the Krefeld-Uerdingen factory in Germany manufactured it. These trains’ five variants include Velaro E, Velaro RUS, Velaro e320, Velaro D, Velaro CRH3 and Velaro E are operational in China and Spain, respectively.
Moreover, the efficiency, sustainability, and passenger comfort and convenience is a major advantage. Velaro RUS, Velaro D, and Eurostar will become operational in Russia, Germany, and the UK and the future. We can find these trains are fully operable in snow and ice. Besides, the driver’s clear visibility in various snow conditions is one of the main features.
Frecciarosa 1000, 250 mph, Italy –
Italy designed it with a top speed of 250 mph and a high commercial speed of 220 mph. But it is currently certified for 190 mph, is also known as ETR 400. Bombardier built the ‘Red Arrow’ train in partnership with AnsaldoBreda. Additionally, this advanced model train provides long-distance passenger service on high-speed lines. It features mainly interoperability, safety, and comfort.
The newest high-speed train started its first journey from Milan to Rome on April 25, 2015. It is also a silent train that creates less noise. Moreover, the Frecciarossa 1000 is the world’s first high-speed train to have obtained the Environmental Product Declaration (EPD), as it can limit CO2. It also uses the ERTMS for controlling the train that eliminates human error.
Fuxing Hao CR 400AF/BF, 260 mph, China –
The CR400AF train mainly features a streamlined body for low drag and high speed. We can find both sides of its car body as silver-gray background with red lines. So these decorations make this train looking more elegant and powerful. The CR400BF train provides a protruding vitreous head with gentle sides. Additionally, we can find the gold ribbons outlining its pure white background body.
In 2007, China officially introduced the Fuxing Hao CR 400AF/BF high-speed train into service on the Beijing Shanghai high-speed railway line. Besides, the train needs only 4 hours to run from Beijing south to Shanghai Hongqiao. People said The CR 400 AF as ‘Dolphin Blue’ and CR 400 BF as ‘golden phoenix.’
HEMU-430X, 267 mph, South Korea –
HEMU-430X is standing for the High-Speed Electric Multiple Unit 430 km/h experimental. It is an experimental South Korean high-speed train designed for speeds up to 267 mph. But, it achieved 261.846 mph in a test run on March 31, 2013. Moreover, this high speed makes South Korea the world’s fourth country after France, Japan, and China to develop the fastest train running above 260.976 mph.
The newest feature of this train compared to older high-speed trains is mainly distributed traction. The trains’ commercial versions include the EMU-260 and EMU-320. South Korea will deliver these versions to Korail in 2020-2021. Additionally, they unveiled HEMU-430X on May 17, 2012. They also expect it to undergo around 100,000 km of testing up to 2015.
Shanghai Maglev, 268 mph, China –
It is a magnetic levitation train that helps people travel from Pudong International Airport right to the city’s heart. Besides, this train’s breakneck speed will impress us and have an exciting first experience in the city. In 2003, Guinness Records enrolled it to be the world’s fastest train in commercial use. Its energy consumption is only half that of buses and a quarter that of airplanes.
The trains don’t touch the railway line, which makes the sound quieter than other trains. This third oldest maglev line came after the British Birmingham Maglev line and German M-Bahn line. Additionally, this train doesn’t touch the railway line. Therefore, the sound makes it quieter than other trains. Like an airplane, it has very modern, clean, and comfortable inside.
Harmony CRH 380A, 302.0 mph, China –
China designed the CRH380A to operate at a cruise speed of 217 mph and a maximum speed of 236 mph in commercial service. Its regular service takes place on the route between Shanghai and Nanjing. Additionally, this design reduces aerodynamic pressure. Its vibration-free bodies make a more comfortable passenger experience. It has low-weight aluminum alloy bodies with fish-head fronts.
The CRH 380A trains can carry around 494 passengers at a time. We can find a VIP sightseeing spot near the driver’s cabin that allows travelers to view the running train. Moreover, China also incorporates these trains with advanced noise control technology like new sound-absorbing and insulating materials in its construction.
TGV POS, 357.2 mph, France –
Alstom built this TGV train for the French national rail company (SNCF) on France’s high-speed rail lines. Besides, the TGV POS links France with southern Germany and Switzerland. In Switzerland, it runs from Basel to Zurich and Vallorbe to the Lausanne line that coming from Paris. Additionally, the POS 4402 train set a new world speed record on April 3, 2007.
Its asynchronous motors help the individual motor’s isolation in a powered bogie in case of failure. Additionally, SNCF numbered it in the 4400 series. These are just faster and more efficient TGVs. Like TGV Duplex, the outside bodywork on the power-cars. Besides, France started the train’s service in 2006. Moreover, France commissioned the first TGV train on Paris to Geneva itinerary in 1981.
L0 Series Maglev, 375 mph, Japan –
We can easily distinguish it by its too long nose that is 49 ft in length. This feature helps the L0 Series Maglev to reduce drag, increase speed, and decrease energy consumption. Additionally, L0 Series Maglev holds the land speed record at 375 mph that it achieved on April 21, 2015.
Besides, this train broke a speed record of 361 mph that another Japanese maglev, the MLX01, set in December 2003. This one of the fastest trains will begin its commercial operation in Tokyo and Osaka. This train will also require only 40 minutes to run from Tokyo to Nagoya, covering 178 miles. Moreover, we expected the first section to Nagoya to be ready by 2027.
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