A free solar energy diploma on solar radiation, concentrators, and harvesting methods in depth. Advanced level, about 6 to 10 hours.

A two-way radio is the piece of gear you hope you never have to use, right up until the day the cell network goes quiet and it becomes the most important ...

Emergencies rarely call ahead. One minute the house is running its normal routine, and the next a storm or a fire is forcing fast decisions with your people ...

The storm rolls through, the lights flicker, and you reach for your phone out of pure habit. No bars. Just like that, the device you trust for everything is a ...

A severe storm, a wildfire, a flood, or a lengthy power outage can change everything in a matter of minutes. Your family may be at work, at school, or on the ...

How to Store a Portable Power Station for Long Battery Life and Emergency Readiness A portable power station can provide essential backup power during an ...

Stand in the store looking at a $300 dehydrator, then price a home freeze dryer at north of $2,000, and the question answers itself for most people, at least ...

A home hydroponic system lets you grow plants without soil by supplying their roots with water and plant nutrients. For a busy gardener, that can mean a tidy ...

Growing lettuce indoors with hydroponics is one of the most practical ways to produce fresh greens year-round in a small home. Lettuce grows quickly, ...