#888 When was the first drone?
When was the first drone? The first real drone was built in 1917 to counter German bombers or to deliver bombs. Drones are technically known as unmanned aerial vehicles (UAV)…
When was the first drone? The first real drone was built in 1917 to counter German bombers or to deliver bombs. Drones are technically known as unmanned aerial vehicles (UAV)…
Ron Rivest, Adi Shamir, and Leonard Adleman were the creators of the RSA encryption that we use many times, possibly hundreds of times, a day. They gave the first letters…
How does the female lac bug make plastic? They scrape bark from trees and mix it with a resin that they produce. The female lac bug produces a resin, which…
How did Israel end up where it is? The British government had the idea to create a Jewish homeland roughly where the Land of Israel used to be. To do…
What are the Queensberry rules? They are the rules for boxing published in 1867 and endorsed by the 9th Marquess of Queensberry. People have fought each other for as long…
Why did Tyrannosaurus rex have short arms? No one really knows. They could have no reason and be left over from longer arms that evolved away. They could have been…
What caused the Great Depression? There are many causes. Some of them are the investment bubble, the Wall Street Crash, the credit boom, the collapse of world trade due to…
Who painted the Isleworth Mona Lisa? This is a difficult question. It is either completely painted by Leonardo da Vinci, partially painted by him, or not painted by him at…
Norman Ernest Borlaug was known as the father of the Green Revolution because of the new strain of wheat he developed and the millions, possibly billions, of people he saved…
What happened to the Aral Sea? The Soviet Union diverted the rivers that fed it in the 1960s and it has almost completely dried up. The Aral Sea was located…