Most people by now know about lead and asbestos: toxic substances found in old buildings that can cause great harm to people’s health and the natural environment. But health and environmental experts ...

Monsanto has recently settled with families who claimed they were exposed to polychlorinated biphenyls (PCBs) at a school near Seattle, ending what had become one of the most closely watched toxic ...

The term polyimide constitutes two words—poly and imide. While poly refers to polymers, the word imide refers to progressive imide monomers. Many manufacturers still use the standard FR-4 material for ...

Burlington High School is currently closed due to elevated levels of PCBs. Seen on Tuesday, October 20, 2020. File photo by Glenn Russell/VTDigger Vermont will test hundreds of schools across the ...

This story was originally produced by the New Hampshire Bulletin, an independent local newsroom that allows NHPR and other outlets to republish its reporting. Liquid simmers and gurgles in the bulbous ...

Today, electronic devices have become powerful and reliable even in harsh conditions, thanks to printed circuit boards. Without a PCB, you do not have modern electronics. Printed Circuit Boards come ...

If you keep up with various retro vacuum tube projects, you probably have run across [UsagiElectric] aka [David]’s various PCBs that he makes on his own Bridgeport EZ-Track 3-axis milling machine — ...

The manufacture of PCBs was banned in 1979 because of health issues associated with exposure, but the hazardous contaminants are continuously found in air, water, soil, and sediment today. They’re ...

When we see an extremely DIY project, you always get someone who jokes “well, you didn’t collect sand and grow your own silicon”. [Patrícia J. Reis] and [Stefanie Wuschitz] did ...

At Absolute Resource Associates, an environmental testing firm in Portsmouth, PCBs bubble at the bottom of this extraction apparatus. In the white middle piece sits the samples being bathed in a ...