#199 What effect did the 1815 Mt. Tambora eruption have?
I learned this today. The 1815 Mt. Tambora eruption lowered global temperatures and caused the Year Without a Summer. Mt. Tambora is a volcano on the island of Sumbawa, which…
I learned this today. The 1815 Mt. Tambora eruption lowered global temperatures and caused the Year Without a Summer. Mt. Tambora is a volcano on the island of Sumbawa, which…
I learned this today. The sun flips its magnetic field and its north south poles once every 11 years because its inner dynamo reorganizes itself. How does the sun get…
I learned this today. Jupiter’s Great Red Spot is a high-pressure region in the atmosphere that causes the largest anticyclonic storm in the Solar System. An anticyclonic storm is a…
I learned this today. The CIA was formed on September 18th, 1947. The idea behind some kind of agency to manage intelligence seems to have started after the Japanese attack…
I learned this today. A fiber optic cable works by sending information encoded in a beam of light. Different technologies send information in different ways. A telegraph and an old…
I learned this today. Paper tissues have been used for 1500 years in China, but the modern tissue was invented in 1924. Paper was invented in China in about 100…
I learned this today. Glass and metal can be recycled indefinitely, but plastic can only be recycled once or twice and paper about 7 times. Recycling has been around for…
I learned this today. A pearl forms in the shell of a mollusk when an irritant becomes trapped there and the mollusk covers it with a fluid that hardens. There…
I learned this today. Maslow’s hierarchy of needs is a universal classification system which has the most important needs at the bottom and then the following needs in an ascending…
I learned this today. Nobody actually knows what the core of Jupiter is like. The most predominant theory is that it has a rocky core surrounded by a layer of…