244 Quotes by Randall Munroe

If you liked it, then you should have moved a mass inside its Roche limit.

A 1-watt laser is an extremely dangerous thing. It’s not just powerful enough to blind you – it’s capable of burning skin and setting things on fire.

Q. How close would you have to be to a supernova to get a lethal dose of neutrino radiation?

If at first you don’t succeed, that’s one data point.

By choosing the right words, you can take an idea that’s happening in your head and try to make an idea like it happen in someone else’s. That’s what’s happening right now.

Horned lizards shoot jets of blood from their eyes for distances of up to 5 feet. I don’t know why they do this because whenever I reach the phrase “shoot jets of blood from their eyes” in an article I just stop there and stare at it until I need to lie down.

Laser Pointer Q. If every person on Earth aimed a laser pointer at the Moon at the same time, would it change color?

The universe is probably littered with the one-planet graves of cultures which made the sensible economic decision that there’s no good reason to go into space-each discovered, studied, and remembered by the ones who made the irrational decision.

Q. How hard would a puck have to be shot to be able to knock the goalie himself backward into the net?