Road flares are tested in liquid nitrogen to see if they still burn. Enough Senate Democrats vote with Republicans to break government shutdown impasse You've Probably Never Seen These Rare Vintage ...

A word of caution if you’re planning to try this cryocooler method for making liquid nitrogen: not only does it involve toxic and flammable gasses and pressures high enough to turn the works into a ...

The smart scientist says you shouldn’t try this at home. Apparently, the Leidenfrost effect only works for him. The Leidenfrost effect is the formation of a gas barrier between a hot surface and a ...