Superfluid helium-4 as a scintillator Superfluid helium-4 has been well studied as a candidate scintillation detector for neutrinos and dark matter. When charged particles of high kinetic energy ...

The Department of Homeland Security has a huge demand for neutron detectors. So much so that there is now a shortage of helium 3, and jacked up the price.<BR><BR>That got reminded me of the talk ...

The gas leak detection machines will be placed adjacent to the water pipes. These devices release the gas in case of a leak. From the smell of helium, one can identify the spot of the leakage soon.