Do you know how the second hand works in your watch? How about a constant velocity joint? Well, let these awesome GIFs teach you a thing or two.
Animated GIFs Of Complex Mechanisms In Action Are Hypnotising, Educational
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Science fiction and fantasy offer a rich legacy of great books - but that abundant pile of reading material can also be daunting. So sometimes, it's easier to fake it. We asked some of our favourite writers, and they told us the 10 books that everyone pretends to have read. And why you should actually read them.
At several points in the history of our planet, increasing amounts of carbon dioxide in the atmosphere have caused extreme global warming, prompting the majority of species on Earth to die out.