Explore how a basic LED can be used as a tiny solar cell, generating measurable voltage under sunlight. This hands-on electronics project demonstrates the photoelectric effect using a multimeter to ...

How to light your home beautifully and cut electricity use - From zoning rooms to the 5-7 layered-lighting rule, explore top ...

The first spreaders—aka marine floodlights—that I installed on my boat 30 years ago were ITT Jabsco Ray-Line 50-watt 12-volt Halogens. Like most spreaders, they mounted overhead at the back and front ...

LED lightbulbs have slashed the amount of energy we use to light our homes. New data illustrate just how much. Jon covers artificial intelligence. He previously led CNET's home energy and utilities ...