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Best Solar LED Lawn And Garden Lights

Since LEDs are an efficient light source and draw far less power than traditional bulbs, they are perfect for off-the-grid applications where solar cells charge a battery that powers the lamp. Large-scale applications of this concept include LED road lane markers, but smaller-scale projects like lighting your lawn or garden are perfect uses for them [...]

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Breakthough: $25 LED Light Bulbs Available Soon

I’ve been testing the new Zeta-Lux 2 LED light bulb from EarthLED. This bulb looks similar to the first Zeta-Lux –but this bulb retails for $25 instead of $40. This means you can get a 40-watt equivalent LED bulb that consumes just 6 watts. The color temperature of the Zeta-Lux 2 is a pleasing 2800K. [...]

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Efficient LED Light Bulbs For The Home

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LED light bulbs have some huge advantages over incandescent and compact fluorescent (CFL) bulbs. But they perform differently, so here’s your guide to understanding LED bulbs so you can enjoy their benefits and play to their strengths.

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Liquid-Filled LED Bulbs: 360 Degree Light

I’ve been testing a new LED bulb called the HydraLux. These unique bulbs are filled with a clear liquid coolant (a non-toxic paraffin oil). Other LED bulbs use large metal fins or fans for cooling purposes. The advantage of using a liquid coolant is that the LED bulb can produce 360° light like a regular [...]

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The World’s Smallest Lightbulb

As LED lights and fluorescent bulbs become increasingly mainstream, scientists at UCLA’s Department of Physics and Astronomy have developed a groundbreaking new variation of Thomas Edison’s incandescent light bulb. But don’t expect to find this bulb in your local hardware store anytime soon – unless you normally bring an electron microscope along to do your [...]

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Efficient Organic LEDs Demonstrated

Organic light-emitting diodes (OLEDs) are a new type of LED where a thin film of organic compounds is used to produce electroluminescence.

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The Best LED Reading Lamps

Nighttime can be prime reading time, and a small reading light is invaluable in a darkened room, or to avoid disturbing a roommate or spouse. The small size and directional light output of LEDs make them ideal for personal reading lights. Here are four of the best LED reading lamps, perfect for the bedroom, dorm [...]

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The Best LED Desk Lamps For 2011

LED desk lamps have a lot going for them. Besides being energy efficient, LED lamps run much cooler than conventional desk lamps, and you can expect the LEDs to last for 10-15 years. Watch out for poorly made LED lamps though — I have an Adesso Lamp that lost 7 of its 20 LEDs in [...]

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On Meta-Optimization

Optimize your meta-techniques.

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New LED Light Bulbs Can Replace 100W Incandescents

Update: See our latest post on LED Light Bulbs For The Home. I recently had the chance to test two state-of-the-art LED light bulbs from EarthLED. LED bulbs have many advantages over incandescents and compact fluorescent: they use very little power, they last 10 years or more, and they contain no hazardous substances. They are [...]

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