› added 8 months ago

53

TIL that an aircraft like the Boeing 747 burns approximately 4L (0.9 gallons) of fuel every single second while in flight.

Read more bbc.com

via reddit.com

KOR8a TIL that there’s actually 14 non-quadrilateral flags still in use today
VMZe8 TIL that 20th centuries physicist and Nobel laureate JJ Thomson had 9 students who later won the Nobel prize in physics or chemistry. Robert Oppenheimer was also one of his students.
oRnMK TIL Proximity fuses were invented jointly by UK & US in WW II. A secret guarded to a similar level as the atom bomb project, and for years not fired on Germans for fear of them figuring it out. It allowed UK anti-V1 artillery to go from 17% to 74% effective. Julius Rosenberg was able to steal one.
54Qp TIL that Buzz Aldrin celebrated communion on the moon and that NASA kept it a secret
RkN1 TIL There is a German township that is entirely surrounded by Switzerland