They redefined it a few years ago to base all units on some objectively measurable natural constant. Because that stick of metal might still decay or warp or something and you don’t always want to travel to France when you want to know the length of a meter. Much easier to measure the atoms and light you have on hand.
And here I thought it was that sick of metal in the wall in France when it is 21 degrees C
They redefined it a few years ago to base all units on some objectively measurable natural constant. Because that stick of metal might still decay or warp or something and you don’t always want to travel to France when you want to know the length of a meter. Much easier to measure the atoms and light you have on hand.
Found the vampire.
Hey, just because I am Australian doesn’t mean I am a crime of nature. That is just our animals.
Australia, where even the animals are criminals.