Liquid nitrogen is fun stuff to play with, as long as you’re careful and avoid freezing your own fingers off and shattering them on the workbench. As the liquid turns to gaseous nitrogen at around ...

First used in the 1950s for cryogenic storage, liquid nitrogen has made it possible to store samples at temperatures down to -196 °C. Since then, LN 2 has been deemed to be the benchmark where ...

Cool running: the experimental apparatus at the University of Twente. (Courtesy: Srinivas Vanapalli, University of Twente) Making hot stuff very cold – and doing so reliably and repeatably – is a ...

Liquid nitrogen seems reasonable, unless it just doesn't find anything. No idea how hard it would be to accidentally (re-)discover liquid nitrogen superconductors. I was imagining the following ...