led lights

LED lights look they may finally become cheaper: http://www.cam.ac.uk/research/news/low-cost-leds-for-saving-energy-and-improving-health Having been looking into getting LEDs to replace some halagons, but being dissapointed with what is on the market, this is promising stuff.

Is a 5W LED light globe really equivalent to a 35W halogen in terms of light emission (lux/lumens?)?

The bulb is priced at $60, but due to deals and rebates from retailers and local utilities, it could be as low as $20 depending on where you shop...

I now have four LED lamps in operation in my home. I found some warm white lamps for $10.99 and some cool white lamps for $14.98 on Amazon recently. This was a large price reduction from a few months ago, so I bought two pairs. A lot brighter than the equivalent wattage CFLs and they come...

I've been sent one of these Groupon style voucher things: What is red LED Light Therapy? This pain-free, non-invasive treatment harnesses the power of red LED Light. Identical to the process of photosynthesis in plants, light is used to stimulate cellular activity in targeted areas. For more...

The "Banning Incandescent Light Bulbs" thread has become quite large and covers quite a lot of different areas but one question that has been raised a couple of times and not been answered as far as I can see relates to dimmer switches with LED's. If the mods feel this is best answered as part...

Does anyone have a good WORKING schematic that makes a strobe affect with LEDs and is able to controlle the speed of the flashing?

Wouldn't shining a bright light so close to the eyes be potentially harmful? http://www.gizmag.com/go/1848/ or this http://www.vagabondish.com/led-glasses-promise-to-banish-jet-lag/ While I realize there is a "blue light hazard" when it comes to blue LEDs, wouldn't green LED glasses also be...

So incandescent lights will be outlawed in the U.S. by 2014 and are energy inefficient. It may warm the planet. Ok. Fluorescent lights contain mercury. If a fluorescent light breaks, there are specific cleanup instructions that involve leaving the room for 15 minutes with the windows open and...

Well I've read through a few threads on the subject of LED light therapy. Poked around on the web for some insight. Ok, so it seems there is some success with a few medical uses, or at least there is reports of success. I read a lot of questions and comments about woo or not. Mostly we've...