› added 12 years ago

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TIL tennis players’ grunts offer the grunter an advantage. Not because the noise is distracting, but because it covers up the sound the racket makes when it hits the ball, making it difficult to judge how hard it’s hit and with what spin the ball has.

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GYbwJ TIL that a Dakota fire pit is a tactical fire used by the United States military as the flame produces a low light signature, reduced smoke, and is easier to ignite under strong wind conditions.
YpWGP TIL President Jimmy Carter was in Mexico City on Valentines Day, 1979. At the opening ceremonies in Mexico City, Carter remarked that he could not "imagine a more appropriate day" for Mexico and the United States to meet "and to express the feelings that the people of my country have towards yours"
gMVnb TIL The Mesopotamian Empire and the Babylonian Empire were the first civilizations to introduce the use of sanitary sewerage system.
GYVa1 TIL In 2010, Apple soldered RAM in some laptops which prevented upgrades. In 2015, they soldered the SSD in some laptops, also preventing upgrades.
VQnm TIL that in 1983 Ronald Reagan said “There are some people who would have you so stand on principle that if you don’t get all that you’ve asked for, you jump off the cliff with the flag flying…I believe half a loaf is better than none and that…you’re not going to always get everything you want.”