This Design Idea describes a single white-LED torch, which can be housed in an empty glue-stick tube and has a long rechargeable-battery life. The circuit is constructed with just a few commonly ...

Lighting has come a long way from simple oil lamps to advanced LED torches. Today, torches are designed to meet different needs: from outdoor adventures and home use to industrial and emergency ...

Torch technology has come on in leaps and bounds in the past few years. Emily Padfield and David Cousins gathered 15 torches on a snowy February evening in Warwickshire to see which were best for farm ...