Liquid nitrogen is a chemical that is often used ... sometimes called "instant ice cream", amidst clouds of smoke in shops around the city. To find out how it's made, some of our junior reporters ...

"Smoke Biscuits", according to a News18 report, are made by adding liquid nitrogen to normal biscuits. They are called so because eating them will fill your mouth with thick white vapour.

What if you have a need for liquid nitrogen, but you do not wish to simply order it from a local supplier? In that case you can build your very own pulse tube cryocooler, as [Hyperspace Pirate] is ...

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 ...

She had tried the 'smoky paan,' intrigued by seeing others exhale smoke after eating it ... The hospital said, "Liquid nitrogen, with a liquid-to-gas expansion ratio of 1: 694 at 20 degrees ...