In my irascible opinion, there are never enough pockets in pants or backpacks for all the gadgets I need to tote around. With ...

The energy crises of the 1970s inspired inventors to try novel ideas for new light bulbs. One of the more unusual designs emerged from the drawing board of Manhattan Project veteran Leo Gross.

Upgrade your small apartments by switching to these space-saving lamps, which trick your eye to create a taller and more spacious visual appeal. From 3,500-lumen LED torchieres to arc lamps, choose ...

An early carbon arc lamp using two flat plates instead of the more common design using two rods. Touching the plates and then retracting them slightly initiates the arc as usual. The arc travels ...