Alexander Cumming invented the S-bend in 1775. Toilets have existed for thousands of years, but the S-band (now the U-bend) was an invention that helped transition to indoor toilets and helped to improve sanitation levels around the world. Early people used streams running near their settlements for a toilet. That is fine, so long as […]
#903 Alexander Cumming – inventor of the S-bend Read More »
Why are blueberries blue and strawberries red? Because of the animals the plants want to eat their fruit. Flowers and fruit tend to be a certain color because they have either evolved to attract a certain kind of animal or to repel a certain kind of animal. A lot of flowers and animals as well
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What is a crusade? It is a Catholic expedition called forth by the pope for various religious purposes. If it doesn’t have the pope’s blessing, it is not a crusade. The word “crusade” means a military expedition under the banner of the cross. The first crusades were in the 11th century and the word “crusade”
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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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