› added 1 year ago

53

TIL that in the 60's they had pacemakers with RTG's in them, a type of nuclear battery that uses an array of thermocouples to convert the heat released by the decay of a suitable radioactive material into electricity.

Read more wikipedia.org

via reddit.com

mvBo TIL It was not possible to film a fake moon landing due to technical limitations in film and video. It was actually easier to go to the Moon than fake it.
D1bBj TIL That pyramid schemes' need for new membership can quickly become the size of a city, or a country, or greater than the population of Earth.
wL95E TIL about Herostratus: A person who burned the Temple of Artemis, which was one of the seven wonders of the ancient world, because he wanted to be famous. “Herostratic fame” was coined after him where a person earns fame through misdeeds.
enln TIL Nickelback’s debut album was released on September 11, 2001
XK4P TIL for one hour every year a part of Oregon and Florida will have the same time of day