› added 7 years ago

112

TIL that a 25 MILLION FPS camera exists and uses mirrors to track target objects

Read more research.utwente.nl

via reddit.com

7re7O TIL that airplanes will perform a "fuel dump" if they need to land earlier than expected. This is because airplanes can take off with more weight than they can land with, and the fuel makes of 80% of the aircraft's weight at takeoff.
VEvB TIL that in 1981 President Reagan claimed in complete seriousness that “trees cause more pollution than automobiles do.”
8ekJ8 TIL the reason why old sports photos often have a blue haze is because the arenas were filled with people smoking cigarettes
6ERL8 TIL that The Sateré-Mawé tribe of Brazil have a ritual where they subject themselves to the sting of over 120 bullet ants, which have a sting 30 times more painful than that of a wasp.
W70ad TIL a “Yellow Bellied Sapsucker” is a woodpecker not a western insult.