For conventional MRI scanners, acquiring high-resolution images requires cooling the magnets to around -270 °C. To achieve this, the magnets are immersed in around 2,000 litres of liquid helium ...

This explanation would require helium II to have an abnormally low viscosity; at present, the only viscosity measurements on liquid helium have been made in Toronto 1, and showed that there is a ...

It's also important in deep sea diving and in scientific research, as well as for the production of computer chips and liquid crystal displays such as TV screens. Getty Images Helium is used to ...

Users can purchase it as a complete system incorporated with superconducting magnets and a liquid helium dewar, or as an independent insert for incorporation into users’ existing equipment. With more ...