Deep inside gas giants like Jupiter and Saturn, hydrogen and helium coexist under pressures millions of times greater than ...

The helium-3 that PSI physicist and ETH Zurich professor Antognini is using in the current experiment lacks not only a neutron in the nucleus, but also both electrons that orbit this nucleus. The ...

The Action Lab explores a physics experiment using helium and an air mattress.

Why is the availability of helium becoming a pressing concern for research labs, and what unique challenges does it pose? The high cost of helium is a big issue most researchers face, especially if ...