How do fusion scientists expect to produce enough Tritium to sustain D-T fusion (see text)? Submitted by DanTheTerrible t3_zslth0 on December 22, 2022 at 1:14 PM in askscience 203 comments 836
in the FAQ it is stated that one proof of the universe's expansion is that "more distant galaxies are packed closer together". What sort of measurements have been made to show this? Submitted by DanTheTerrible t3_zshjy6 on December 22, 2022 at 9:09 AM in askscience 18 comments 68