saeedly.com

jYoj TIL an engineer managed to build a fully functional miniature V8 engine entirely out of paper.
WAaY TIL light in itself isn’t special, it’s just that according to Einstein, the fastest speed reachable in the universe is 300K m/s. It just happens that light is the only thing we detected that travels without limitations in vacuum, which is why we associate the speed limit of the universe with it.