› added 11 years ago

354

TIL the chlorine “smell” in pools is due to the chemical’s reaction with impurities…like poop….

Read more waterandhealth.org

via reddit.com

bgYQ TIL Chinese researchers have been developing a train with the potential to reach 5000 mph (6 times the speed of sound).
p8xpA TIL The DEA taught Bryan Cranston how to make meth for Breaking Bad
YEeW TIL that CPU manufacturing is so unpredictable that every chip must be tested, since the majority of finished chips are defective. Those that survive are assigned a model number and price reflecting their maximum safe performance.
8eaKb TIL about billionaire philanthropist Chuck Feeney, who has given away more than $8 billion and now lives in a rented apartment with a remaining balance of $2 million.
LrvP TIL that Elmo once testified before Congress