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 ...

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 ...

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 — ...

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 ...

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 ...

A known carcinogen may be lurking in your child’s school. Scientists estimate that Polychlorinated Biphenyls (PCBs) are present in 1 out of every 3 K-12 schools nationwide. Despite this, these harmful ...

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 ...

When we see an extremely DIY project, you always get someone who jokes “well, you didn’t collect sand and grow your own ...

At Cabot School, the gymnasium was closed for the first few months of the school year. In Brattleboro, Oak Grove School faces an unforeseen window replacement project that’s likely to cost more than ...

Since the early 2000s, the city and the Milwaukee Metropolitan Sewerage District have spent millions of dollars cleaning up carcinogenic chemicals from its sewers and waterways. That's according to an ...