A federal judge has halted Louisiana’s first death row execution using nitrogen gas, which was scheduled to take place next week. US District Court Judge Shelly Dick issued a preliminary ...

The best result was with liquid nitrogen inside the engine. With the nitrogen quickly boiling at room temperature, the aeolipile quickly spun up to a great speed. The engine stand had to be ...

Liquid nitrogen is very cold, so it is often used to freeze food. The boiling point of nitrogen is −196 °C, so liquid nitrogen is very cold indeed. This means liquid nitrogen is ideal for ...

Molecules of nitrogen are barely attracted to each other, so it needs to be made extremely cold in order for the molecules to come together and condense and even colder for it to freeze. The boiling ...

A pair of superconducting slugs embedded in a styrofoam train will float above a magnetic track when the slugs are cooled to the boiling point of liquid nitrogen. The train moves around the track with ...

open image in gallery A federal judge in Louisiana has halted the state’s first ever death row execution by nitrogen gas, which was due to take place next week (AP2008) "The public has paramount ...