#89 How does the Large Hadron Collider work?
I learned this today. The Large Hadron Collider accelerates particles to close to the speed of light by using electric fields and radio waves. The Large Hadron Collider (LHC) was…
I learned this today. The Large Hadron Collider accelerates particles to close to the speed of light by using electric fields and radio waves. The Large Hadron Collider (LHC) was…
I learned this today. Venice was built on 118 small islands in a marshy lagoon because the people from local Roman cities were fleeing waves of Germanic and Hun invasions.…
I learned this today. Stars die because they exhaust all of their fuel. There are seven different types of star. They are classified using the Morgan-Keenan system. They are given…
I learned this today. On November 14th, 1910, Eugene Ely flew a plane off a ship, technically making that ship the first ever aircraft carrier. He made the first takeoff…
The first ever currency was the Mesopotamian shekel, used about 5,000 years ago. Before we had money, people used the bartering system. Bartering probably started when hunter-gatherers began to form…
I learned this today. London was built where it is because it is the closest point to the sea that could be bridged. There may have been a small settlement…
I learned this today. Quartz clocks are far more precise than mechanical clocks because they make quartz crystals oscillate at a very precise frequency. A mechanical watch has an accuracy…
I learned this today. Our skin can allow sweat out, but it doesn’t let water in thanks to a thin layer of fat between the outermost layers of skin cells.…
I learned this today. Whales make use of sound in the water because they cannot use their other senses. It is not possible to use light to see underwater because…
I learned this today. The Middle Ages and the Dark Ages both refer to Europe between the Fall of Rome in 476 AD and the beginning of the Renaissance in…