University of California, Berkeley, physicists can now tune in to and hear normally inaudible quantum vibrations, called quantum whistles, enabling them to build very sensitive detectors of rotation ...

Helium-3 is one of the rarest and most valuable isotopes on Earth, with reported prices of up to US$18.7 million per kilogram, more than 100,000 times the price of common helium (helium-4). Against ...

The discovery that helium and iron can mix at the temperatures and pressures found at the center of Earth could settle a long-standing debate over how our planet formed. When you purchase through ...