Cold weather robs us of mobility, enjoyment, and safety. Cold-stiffened muscles dull our movement­–and our senses. Before you know it, you can’t concentrate on whatever it is you’re trying to do, ...

We recently featured one way to heat your house with the sun, but DIYer Daniel Strohl has spent three years perfecting his homemade solar garage heater, made out of a wooden box, some vacuum parts, ...