Tom Gibson

Freelance Writer

Based in Milton, PA, Tom Gibson, P.E. is a consulting mechanical engineer specializing in machine design and green building and a freelance writer specializing in engineering, technology, and sustainability. He publishes Progressive Engineer, an online magazine and information source (

Articles by Tom Gibson

  • Conventional crystalline solar panels on a farm in Pottsgrove, Pa. Credit Tom Gibson.
April 2015
Around the country, solar photovoltaic installations are sprouting on residences and commercial buildings. If Doug Neidich has his way, we’ll see many more of these, but of a different variety. Today, you mostly see conventional crystalline solar photovoltaic panels sandwiched in a rigid aluminum frame and mounted in a rack structure on the roof or a steel frame on the ground. READ MORE