Humanity has already flung machines into interstellar space, but sending people is a different problem entirely. The physics ...
Forbes contributors publish independent expert analyses and insights. Dianne Plummer is an Energy Consultant and Certified Energy Manager. Rooftop solar has become one of the fastest-growing clean ...
When NASA’s twin Voyager probes left Earth in 1977, they carried computers weaker than a hand calculator and a modest goal of ...
Another day, another ambitious company emerges to harness the power of the Sun from Earth's orbit. Okay, it's not quite that common an occurrence, but there are indeed a number of firms giving this a ...
Wondering if a 3-kilowatt (kW) solar system is large enough to power your home or too large for your do-it-yourself (DIY) project? Below, we’ll outline everything you need to know about 3-kW solar ...
Having spent 30+ years in residential construction, contracting, remodeling, maintenance and home repair, Deane now contributes DIY, informational and financial content as a freelance writer and ...