Why a Typical Home Solar Setup Does Not Work With the Grid Down - And What You Can Do About It. This is really long and absolutely worth reading, I learned a ton (and I'm one of those people with grid-tied rooftop solar...)     #>

Thinkpad Motherboards. Update some classic Thinkpad chassis with a new motherboard that has all kinds of updated stuff (support for new processors, etc). Some people really value those older screens and keyboards, this lets you turn it into something modern.     #>