These days, we would call them proprietary blends. But in the late 1500s and early 1600s, individual alchemists called the ...

they must stop using Chinese tungsten by January 1, 2027, he said. The element, known for its hardness and the highest melting point on the periodic table at 3,422 degrees Celsius, is used to make ...

The brothers J.J. and F. d'Elhuyar isolated the pure element of this metal in 1783, giving it the name it still uses today. This means that science learned about tungsten only 180 years after the ...

But the presence of tungsten was extremely puzzling ... analyzed the shards for evidence of 31 trace elements to determine which Brahe may have used in his laboratory. Some of the elements ...