The Physics of Forty Below
The thermometer reads 40 below zero, the only point at which the Fahrenheit and Celsius scales agree. The red liquid within his thermometer is alcohol; mercury freezes at 38 below.
Tag: Cold Weather
Building on Permafrost
When constructing in the Arctic or near-Arctic regions of the world where permafrost dominates, the adage “If it’s frozen, keep it frozen; if it’s thawed keep it thawed” provides a strong foundation. Doing this, however, is one of the greatest challenges for engineers and construction companies that specialize in building in some of the coldest places on Earth.