› added 8 years ago

201

TIL that glass is transparent because of quantum mechanics, not due to the density of the particles. Basically since there are discrete energy states, if the photon can’t excite the electron up to the next orbital, it just falls back down and shoots the photon out with the same momentum as before.

Read more youtube.com

via reddit.com

yJpv TIL Lenin’s dead body is bathed and dressed in new clothes every year. His tomb is in center of Moscow open to public, despite his death wish to be buried next to his wife
LQvkP TIL chainsaws were invented in the late 1700s for assisting in childbirth (cutting through the woman's pelvis if the baby got stuck).
GQKN TIL during the Gold Rush, two stray dogs who were constantly seen together in downtown San Francisco became local sensations, with newspapers reporting on their activities, and enjoying an exemption from the extermination-on-sight city policy towards strays.
jN8dM TIL of Connie Culp, a 46-year-old Ohio woman who had been shot in the face by her husband. In 2004, after a 22 hour operation, doctors managed to replace 80% of her face with the face of another woman who had just died. This embarked the first ever successful face transplant in the USA.
p81KA TIL that Bronn from Game of Thrones (Jerome Flynn), was part of a 90’s pop duo that earned three UK number one singles, and a 6x platinum album!