4 ms·
I blew a friends mind when he mentioned wanting to have a rainwater tank that contained some number of gallons. I immediately said how much it would weigh and
by rogerbinns 13y ago
I blew a friends mind when he mentioned wanting to have a rainwater tank that contained some number of gallons. I immediately said how much it would weigh and what the dimensions of the tank would be, and consequently how it would be too large for the area he intended.
It drives me nuts trying to follow recipes written by Americans as the measurement units are entirely random between weight and volumes. Sometimes it makes sense due to packing - eg flour is more accurate by weight than volume. But often the worst one is used.
- waps 13y agoWhy not switch to a system that's based on actual physical constants instead of properties of a certain impure water mix ? How about we start measuring distances relative to c, mass in GeV/c2, or maybe in multiples of electron masses, and so on and so forth. Sooner or later (probably much later, granted) we'll do this, so why not get ahead of the game ?
- nitrogen 13y agoThe meter is defined in relation to c: https://en.wikipedia.org/wiki/Meter#Speed_of_light https://en.wikipedia.org/wiki/Meter#Speed_of_light
- waps 13y agoWell, yes, but read that page. I mean a vaguely reasonable fraction, not 1/299792458 per second (plus if you're going to be pedantic, second still isn't defined in terms of c).