4 ms·
Well, it's easy to remember that the speed of light is roughly 1.8 terafurlongs per fortnight...
by e12e 7y ago
Well, it's easy to remember that the speed of light is roughly 1.8 terafurlongs per fortnight...
- BrandoElFollito 7y agoI thought it was a joke but it is not. And "roughly" here is actually "very close to". Now I know what imperial units are useful for, thanks.