Mercury (element) and galinstan alloy thermometers are also an option. Mercury thermometers are still occasionally used in the medical field because they are more accurate than alcohol thermometers, though both are commonly being replaced by electronic thermometers and less commonly by galinstan thermometers. Mercury thermometers are still widely used for certain scientific applications because of their greater accuracy and working range. Historically, one of the largest releases was from the Colex plant, a lithium-isotope separation plant at Oak Ridge, Tennessee. The plant operated in the 1950s and 1960s. Records are incomplete and unclear, but government commissions have estimated that some two million
Willem van Heythuysen Posing with a Sword Willem van Heythuysen Posing with a Sword Willem van Heythuysen posing with a sword is a painting by the Dutch Golden Age painter Frans Hals, painted in 1625 and now in the Alte Pinakothek, Munich. It shows the Haarlem cloth merchant Willem van Heythuysen in a theatrical pose with a rapier. The painting shows a proud man standing in front of a neoclassical architectural element with drapery, leaning on a sword. In the distance a garden with a couple can be seen, and in the foreground some roses lie on the ground. It was first documented by Adriaan Loosjes, who