› added 10 years ago

458

TIL Tabebuia Trees wood is more dense than water, and naturally shares the same fire resistance rating as industrial steel.

Read more rainforest-alliance.org

via reddit.com

b9K7j TIL that tunnel lights are orange near the entrance to help the human eye quickly adjust to low lights. Over the course of the tunnel, the lights gradually become whiter to similarly prepare the eye to be back outdoors.
Ono7 TIL that Einstein smoked cigarette butts picked off from the street and went out sailing when there was no wind, because it was ‘more challenging’
mZ1R TIL the CEO of food for the poor is named Robin Mahfood.
d8vMr TIL the US Military Subsidized in Part Iron Man 1 and 2
N7BQ8 TIL that there is a slow motion camera that can record 10 trillion frames per second. This is fast enough to actually see light travel from point to point.