› added 4 years ago

126

TIL a mile is approximately 1000 paces

Read more mathforum.org

via reddit.com

wL1M7 TIL Although the cost to buy has come down, the cost to fly remains high. The F-35 costs $44,000 an hour to fly, or $44 million to fly for 1,000 hours, or $352 million over the 8,000 hour lifespan of the jet.
7rl5p TIL during sexual arousal for men, muscles at the base of the bladder contract in order to close off the passageway from the bladder into the urethra, thus making it impossible for urine to be released during ejaculation.
R7Ada TIL Swimming pools used to be called "swimming tanks", which inspired the name "tank top".
Wkvxo TIL NASA will launch a SpaceX rocket next summer in a test of planetary defense. The rocket will impact a near-earth asteroid in 2022 in an attempt to change its trajectory.
Lko7d TIL Tentacles and arms are different and an octopus has 8 arms not tentacles