Obelus - The division sign that we use in mathematics
The division sign that we use is technically called an obelus.
Facts about Uranium-235
1 kilogram of Uranium-235 can produce the same amount of energy as 3 million kilograms of coal.
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Did you know the toughest tongue twister in the English language?
Did you know? The " sixth sick sheik's sixth sheep's sick " is said to be the toughest tongue twister in the English language. "Rhythm" is the longest English word without a vowel.
The history behind the use of Fingerprint authentication
They looked identical and even shared the same name, but the two prisoners pictured were actually different people and their remarkable case helped bring in the era of fingerprint identification. The man on the left was called Will West, the man on the right William West, and they were both sentenced to jail at Leavenworth Penitentiary in Kansas over 100 years ago. The arrival of Will West in 1903 caused the records clerk at the prison considerable confusion because he was convinced he'd processed him two years previously. The clerk, M.W. McClaughry, asked Will West if he'd ever been to the prison before. West said he hadn't. McClaughry then set about taking his Bertillon measurements – named after the French policeman Alphonse Bertillon – which was the usual method of identifying people and involved recording the dimensions of key physical features. McClaughry, still convinced the man before he had already been to the prison, looked up his name in his filing system and fou...
Earth Day 2022 #InvestInOurPlanet
Earth Day , celebrated annually on April 22 , is a reminder to protect the environment, restore damaged ecosystems and live a more sustainable life. The event was first celebrated in 1970, making this year the 52nd anniversary of annual celebrations. Earth Day was first observed in the United States, when some 20 million people took to the streets to protest against the 1969 Santa Barbara oil spill. Since then, the occasion has played an important role in raising awareness on other environmental issues. This year, earthday.org has selected the theme, ‘ Invest In Our Planet ’. It explains, “This is the moment to change it all — the business climate, the political climate, and how we take action on climate. Now is the time for the unstoppable courage to preserve and protect our health, our families, our livelihoods… together, we must ‘Invest In Our Planet’.” Today, Google's annual Earth Day Doodle addresses one of the most pressing topics of our time: climate change .
World Health Day 2022
World Health Day 2022 World Health Day is celebrated every year to raise awareness about the ongoing health issues that concern people across the world. The day is also used as an opportunity to spread awareness about the overall health and well-being of people. The date of 7 April marks the anniversary of the founding of WHO in 1948. This year (2022), the theme of World Health Day is 'Our Planet, Our Health'. This year, WHO will focus global attention on urgent actions needed to keep humans and the planet healthy and foster a movement to create societies focused on well-being.
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