Ask HN: If mercury wasn't toxic would it be incredibly useful?5 points·by kylebenzle·vor 6 Jahren·2 commentsMercury switches, mercury hydraulics, mercury vapor lamps... What else would liquid metal be incredibly useful for?3 commentsPost comment[–]chonker·vor 6 JahrenreplyMercury is incredibly heavy so it could be a useful substance for pumpable mass[–]ksherlock·vor 6 JahrenreplyMeasuring temperature and air pressure.[+]narogab·vor 6 Jahren