Arclind Mindspace · Mindspace explorer since 1 Oct 2020

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Around 6th Century BC, the Persian empire had a very nifty way of counting battle casualties. Before any battles, the soldiers would be lined up in the presence of their battle commanders and generals. In front of them, a basket. With the emperor as the witness, they’d throw a single arrow from their quiver into the basket, which would then be sealed.

When the soldiers return, they’d be commanded to take an arrow from the same basket. The remaining arrows would then give the empire an estimate of the men they have lost in the battle. This is akin to the digital checksum process we use to verify the integrity of a file that’s transmitted over the internet.

Starry nights with clear skies are usually colder than a cloudy night. Ever noticed this? Why does it feel colder? Well, during the day, the sun heats up the Earth. But at night the heat is radiated back into the space. But when clouds are present, they act like an insulator and retain the radiated heat that would rather escape into the space without them in the way.

Playful aggression or cuteness aggression is the term for when one experiences an aggressive response to an adorable stimulus like a baby’s cheeks or a fluffy unicorn toy. The response is a harmless urge to pinch and squeeze a baby’s face. People would say something like “You’re so cute and I am going to eat you up!” in an aggressive manner, gritting their teeth or clenching their fists, but in a harmless and tender way.

This is similar to a stimulus of intense happiness evoking an accompanied negative emotion like crying to keep the hormones balanced.

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