Sök video

01:53
- At standard sea level pressure, liquid nitrogen has a boiling point of -321 °F / -196 °C. That's just 77 °C above absolute zero. It's very cold stuff! Solid nitrogen is something few people have ev
Coolt 28 jun 2014   Av: RockFilip   Klick: 4 605  
1 .. 22 23 24 25 26 27 28