Science: Cryogenics

Studies of the vastness of the universe and the invisible smallness of the atom are remote from the things of everyday life. Scientists also go far from familiar things in the study of low temperatures. Hydrogen liquefies at 252.7° below zero Centigrade and helium liquefies at — 268.9°. Compared to such temperatures, the inside of an ice-cream freezer is a seething furnace. The utmost cold, absolute zero (zero on the Kelvin scale), comes out at — 273.13° on the arbitrary Centigrade scale (zero for the freezing point of water, 100 for the boiling point)....

Want the full story?

Subscribe Now

Subscribe
Subscribe

Get TIME the way you want it

  • One Week Digital Pass — $4.99
  • Monthly Pay-As-You-Go DIGITAL ACCESS$2.99
  • One Year ALL ACCESSJust $30!   Best Deal!
    Print Magazine + Digital Edition + Subscriber-only Content on TIME.com

Learn more about the benefits of being a TIME subscriber

If you are already a subscriber sign up — registration is free!