The Olight Arkfeld EDC Flat LED Flashlight is now on sale for $63 on Amazon, a 30% drop from its normal $90 list price. This ...

This torch feels solid and weighty in the hand, with an excellent build quality, given the low price point. The light is ridiculously bright, being very easy to switch between a flood or spotlight, ...

A new approach to fabricating light-emitting diodes (LEDs) could be used to increase their efficiency by 20 percent while yielding higher-quality light than conventional LEDs. Researchers at the ...

Learn why LED lights are a much more efficient lighting alternative. Thomas Edison perfected the first incandescent light bulb in 1879. It burned for 13.5 hours. And incandescent bulbs are still ...

Philips has released the lime green LEDs behind its ‘Hue’ colour tuneable LED replacement light bulbs. Some exceed 200 lm/W. Branded simply ‘Lime’, it is the newest addition to the firm’s portfolio of ...