› added 6 years ago

202

TIL that Jackrabbits are hares

Read more nationalgeographic.com

via reddit.com

P1jAw TIL that most smoke detectors contain a small amount of Americium-241, a radioactive material that can undergo nuclear fission.
J1a1m TIL as a research student, Lawrence Bragg figured out how to use X-ray to study the atomic structure. His breakthrough discovery earned him the Nobel Prize in Physics at age 25.
VBg9m TIL about Black Arrow, a British satellite carrier rocket. In 1971, Black Arrow was the first and only successful orbital launch conducted by the United Kingdom. It was retired in favor of using American rockets, which the Ministry of Defence calculated to be cheaper than maintaining the program.
5VNGn TIL that when the first platypus specimen was sent to England in 1799, British scientists believed it was an elaborate hoax and even tried to pry its duck-like bill off, convinced someone had stitched it on.
e4ek TIL - Millions of disposable chopsticks used in China are made in the USA