#270 What was the Tunguska event?
I learned this today. The Tunguska event was probably a meteor air burst that exploded over Eastern Siberia on June 30th, 1908. Today, as of writing, it is the 114th…
I learned this today. The Tunguska event was probably a meteor air burst that exploded over Eastern Siberia on June 30th, 1908. Today, as of writing, it is the 114th…
I learned this today. The first lawyers appeared in the Roman Empire in the time of Emperor Claudius who ruled from AD 41 to 54. In ancient time there was…
I learned this today. Vitamins are organic compounds that our bodies cannot produce on their own but that we need to live. Vitamins are organic molecules that we need in…
I learned this today. Rome became a republic because the last king of the Roman Kingdom was overthrown. The Kingdom of Rome was founded in 753 BC. There is no…
I learned this today. Modern ice cream was invented in 1695. Nobody knows when ice cream itself was invented. Ice desserts aren’t possible without ice. Unless people live in a…
I learned this today. A superfluid is a point where matter behaves like a fluid but has zero viscosity.A superfluid has no viscosity. That means it doesn’t have any friction…
I learned this today. The aurora borealis are green, purple, pink, and blue because those are the colors given off when the different elements in the atmosphere are heated up.…
I learned this today. Trees have rings because they do not grow through the winter when it is too cold. The study of tree rings is called dendrochronology. The word…
I learned this today. Hardtack is a dense biscuit made from flour, water, and sometimes salt. It was sometimes called “ship’s biscuit” because it was a staple on long voyages.…
I learned this today. The first paper money was issued in China in the 7th century. Many countries around the world had started using different things as “money” by about…