3 ms·-196℃ is another point of reference that might be familiar to people interested in, ehm, cold.by rzzzt 2y ago-196℃ is another point of reference that might be familiar to people interested in, ehm, cold.smcin 2y agoNitrogen melting point. Essentially the highest low temperature at which you can cheaply do supercold stuff.smcin 2y ago(I meant nitrogen boiling point.)