What is the golden ratio? It is 1.618. The golden ratio appears in nature, in art, in buildings, and in logos, along with countless other places. It is called the golden ratio because anything that has these proportions is considered to be perfect. It is written as Φ, which is the Greek letter phi. You […]
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Why are poppies a symbol of remembrance? Because of a poem by a Canadian doctor called John McCrae. The poem was called “In Flanders Fields”. And because of an American professor and humanitarian called Moina Michael. Before World War One, war dead were not really remembered, unless they were wealthy people. There were no memorials
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How big was a Megalodon? The largest ones could have been 20 meters long. Megalodon was a species of giant mackerel shark. Mackerel sharks have two dorsal fins, an anal fin, five gill slits, eyes without nictitating membranes, and a mouth that extends behind the eyes. Great white sharks are in this family. Megalodons lived
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When did people start writing music down? Music was first written down in the 6th century BC, but the current system we use began in the 11th century. There is no way of knowing when music itself started. It is very natural for us to sing and dance because they are merely extensions of talking
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Shuji Nakamura invented the blue LED, without which we wouldn’t be able to have white LEDs, and we would be damaging the environment even more than we are at the moment. To make white light, you need to have red, green, and blue light in equal quantities. We perceive single wavelengths of light in the
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How did America build so many Liberty ships in World War 2? They could build so many because of the way the ships were built, new technologies, their infrastructure, and their resources. Liberty ships were cargo ships that were built by the United States during World War 2. They were originally designed by J. L.
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How many servers are in a data center? It depends on the company and the type of server, but the average data center appears to have about 100,000 servers in it. When I am talking about data centers, I mean the kind of place that stores all of the information on the Internet. It is
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What is the Ides of March? It is the 74th day of the Roman calendar, which is March 15th. When we think about the Ides of March, we imagine that it is a cursed and dangerous day. In actual fact, ides was just a name for a day and there was nothing special about it.
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Why are truffles so expensive? They are very rare and very difficult to grow. What is a truffle? The truffle is the fruit part of a fungi, and it is similar to the top part of a mushroom. A truffle is a type of fungus that grows around the roots of some trees. They are
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What is Bitcoin? It is the original, and the most famous, digital currency. Let’s look at what Bitcoin is, why it was created, and how it works. Bitcoin was introduced to the world in 2009 by someone who said their name was Satoshi Nakamoto. Nobody knows who Satoshi Nakamoto is or even if it is
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