Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...

Dewar was interested in cryogenics, the science of extreme cold and in 1898 he was the first person to make liquid hydrogen, which at the time was the coldest substance ever produced. Cooling gas ...

mobile hydrogen rechargers, vacuum insulated pipe, vaporizers, and freezers and dewars for cryopreservation. Visit Taylor-Wharton at . About GenH2 GenH2 is a liquid hydrogen technology provider ...