A simple way to lower heating bills is to use cardboard and aluminum foil. This clever trick is not only cheap and eco-friendly, but it will also help retain more heat in the room. How do you use it?

He printed out a key template on paper — something that he does often in his woodwork — and spray-glued aluminum foil on the back side. The video doesn’t say how many hours he spent with the ...

Aluminum foil reflects the light, and the scanner glass is painted white for diffusion. [James] is quite happy with the result, and is amazed by the detail seen in the negatives under ...