Bose-Einstein condensate
It’s a matter of some irony that forces that act across larger distances also give rise to lots of empty space – although the more you think about it, the more it makes sense. The force of gravity, for example, can act across millions of kilometres but this only means
dark energy
https://twitter.com/HochTwit/status/1174875013708746752 The act of writing well is like an atom, or the universe. There is matter but it is thinly distributed, with lots of empty space in between. Removing this seeming nothingness won’t help, however. Its presence is necessary for things to remain the
British Test Object
Nuclear weapon inspectors have a weighty but tricky job. An inspecting state relies on them to verify if a weapon is a nuclear warhead, but the state whose weapons are being inspected doesn’t want to divulge too much information about the weapon’s design or performance. As David Cliff,
