› added 8 years ago

178

TIL that Burlington, Vermont is the first city in the USA to run on 100% clean energy

Read more ecowatch.com

via reddit.com

W7Rb9 TIL that NASA engineers use a “chicken gun” to test the durability of airplane windshields. They fire dead chickens at high speeds to simulate bird strikes during flight. It sounds ridiculous, but it's a crucial safety measure!
Oo5p6 TIL that Volvo invented the three-point seatbelt, then gave the invention away for free. They decided it was too important of an invention to keep to themselves.
xg6o TIL that when people lose weight, they lose about 80% of it in the form of exhaling carbon dioxide, not from sweat or mass converted to energy/heat
ADj8x TIL A valley near the top of Mount Everest is called 'Rainbow Valley' because it is covered with the dead bodies of climbers and their gear.
woO1M TIL Mara Wilson, the actor who played in Matilda (1996) and Mrs. Doubtfire, is actually cousins with Ben Shapiro.