3 ms·
And it's the only compressed gas that gets down to -270C for cooling MRI machines, hydrogen only gets to -253C and is much more dangerous.
by dhughes 14y ago
And it's the only compressed gas that gets down to -270C for cooling MRI machines, hydrogen only gets to -253C and is much more dangerous.
- K2h 14y ago... and they use it in NMR. I think the one at the local university takes several dewars of helium just to bring it online.