FARGO — The principal of a liquid-in-glass thermometer is that the liquid inside a very narrow tube will contract and expand with temperature variation. The top of the liquid represents the ...

FARGO — The principal of a liquid-in-glass thermometer is that the liquid inside a very narrow tube will contract and expand with temperature variation. The top of the liquid represents the ...

The venerable Mercury thermometer has been on its way out for a number of years and the National Institute of Standards and Technology next month may give it a final push. On March 1, NIST said it ...