Mercury, although used for taking temperatures was actually used to weight boxer's gloves to cheat. It may be seen as a fluid but upon a force pressing back, it is as good as solid. This contraption is traditional. Normally the metal transfer station of heat is wider (circle) than it is tall. In the realm of my Android trying its hardest to learn the network of near by tech devices, it is always well to know that nature is on your side. Until gravity takes over...