Yep. Been watching for a while.
I really want affordable dip and dots at home, and to do some cryogenic experiments that are only possible using liquid nitrogen or liquid helium.
Also those Dewar's arnt cheap, nor are the pumps
I really want affordable dip and dots at home, and to do some cryogenic experiments that are only possible using liquid nitrogen or liquid helium.
Also those Dewar's arnt cheap, nor are the pumps
FWIW, lots of these steel cups that are popular these days are vacuum flasks and cost practically nothing.
People enjoy playing with high temperature superconductors too.