› added 4 years ago

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TIL that, contrary to popular belief, friction is not the primary cause of spacecraft heating up on re-entry. Rather, the heat comes from the air in front of the craft being highly compressed. This is also why the leading edges get the hottest.

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0rM TIL that Australia had an “emu war” in which machine guns and artillery was used.
p8Ooe TIL : There are problems which can't be solved even if we have plenty of resources. These are called as undecidable problems. For such a problem, a computer might give a wrong answer or it will run forever without a solution.
8O98 TIL that trees are able to communicate with each other through an underground network known as the ‘wood-wide web’. This system allows trees to loan sugar to neighboring trees, send warning signals about injury or disease, nurture their own offspring, and donate resources to conserve the forest.
yb9l TIL An old woman came up to Stephen King in a supermarket and said “You are the horror writer. I don’t read anything that you do. I just like things more genuine, like that Shawshank Redemption.”
4XREb TIL that since the planet Neptune was first discovered in 1846 it has only orbited the Sun once, due to the fact its orbit is about 165 years.