It only takes 42 minutes to go between any two points on Earth

Well, in theory, at least... It turns out that if you could dig a tunnel that would connect two locations on Earth, for example, between two antipodes, using only the force of gravity, it would only take you 42 minutes to go from the source to your destination. And the interesting part: this is real for any two given points on Earth. Don't believe me? Check out the following video: