Whose heads were bitten off by geeks in the 19th century? Detailed answer

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Whose heads were bitten off by geeks in the 19th century? Detailed answer

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Whose heads were bitten off by geeks in the 19th century?

The meaning of the word "geek" as an enthusiast of new technologies or a person who is strongly passionate about some kind of hobby has appeared recently. Historically, "geek shows" in the United States were called participants in traveling circuses, the performance of which consisted in biting off and swallowing the heads of live chickens.

Authors: Jimmy Wales, Larry Sanger

Random interesting fact from the Great Encyclopedia:

What is caffeine?

Now you can buy decaffeinated coffee, and millions of people prefer it to regular coffee. What is caffeine, and why do some people want to get rid of it? Roasted coffee beans contain so many different substances that science still cannot identify them all. But the most well-known substance is caffeine. It is complex in its chemical composition.

In its pure form, caffeine is not found - only in compounds with acids. One coffee bean contains approximately 1% caffeine. Caffeine is stimulating, which is why some people avoid drinking it at night. Other people, on the contrary, believe that coffee does not interfere with their sleep. As already mentioned, at different times of the day, caffeine affects a person in different ways. It has been proven that its effect on different people is not the same.

It is important to note here again that caffeine does not exist in its pure form. It is part of other substances and in combination with food becomes completely different. So, if you add milk or cream to coffee, then caffeine combines with the protein found in milk and cream, and its effect weakens.

You can isolate caffeine from coffee by evaporating or soaking green beans before roasting them.

Test your knowledge! Did you know...

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Organic rechargeable household batteries 06.03.2022

Australian and Chinese scientists have developed a 2,8V all-organic polymer battery. It is an ideal alternative to traditional metal-based batteries in particular to reduce environmental pollution.

"Starting with small household batteries, we already know that organic redox materials are typical electroactive alternatives due to their intrinsically safe, lightweight and structurally tunable characteristics and, most importantly, their sustainability and environmental friendliness," says Zhongfang Jia, scientific director of the Nanotechnology Institute at Flinders University.

The research team developed a battery based on silver terephthalate (instead of sodium terephthalate, which is used in lithium-ion batteries). The cell voltage is 2,8 V, the specific capacity is 43 mAh/g. The team is now aiming to improve on these characteristics and create a fully biodegradable battery with a cell voltage of over 3,0V and a capacity of over 200mAh/g.

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