An upcoming European Union regulation is about to shut down lamp-based projectors across the continent. Starting January 1st, 2026 the powerful Metal halide and UHP (Ultra High Performance) ...

Within this range, there are three bands, UV-A with wavelengths from 300 nm to 400 nm, UV-B with wavelengths between 280 nm to 315 nm, and UV-C with wavelengths from 200 nm to 280 nm. UV-C LEDs are of ...

Mercury poisoning, also known as mercuralism, is the phenomenon of toxication by contact with mercury. The main dangers associated with elemental mercury are that at standard conditions for ...

Mad hatter's disease involves the neurological changes that result from mercury poisoning. Here, learn about exposure, the symptoms of poisoning, and more.

not mercury vapor, but i recently sold a NOS AZ1 rectifier tube to some guy with an amplifier as spare. the amp is in use for over 20 years. so they last a veeeeeery long time. dont be fooled by ...

On Wednesday, City Council signed off on its $160 million plan to change the color of Chicago, replacing its 270,000 high-pressure sodium lights, which give the city its, um, distinctive orange ...

For my PhD thesis we used mercury diffusion pumps. Nasty things, but diffusion pumps require high molecular weights and relatively low vapor pressure, and the only other real alternative at the ...