Helium boils at 4.2 kelvin - colder than anything else on the periodic table. Superconducting magnets in MRI machines must be kept below 9.2 kelvin, and liquid helium is the only practical coolant to ...

We’re all familiar with the elements of the periodic table, but have you ever wondered what hydrogen or zinc, for example, might sound like? W. Walker Smith, now a graduate student at Indiana ...