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LEDs

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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Tested: 240 Lumen LED Bike Light For $20

Important Update: After testing a second unit, I can no longer recommend this product as a bike light. The trouble is that the flashlight popped out of its container whenever I rode over a curb. The problem seems to be the weight of the flashlight. One positive note — the Cree flashlight itself proved to [...]

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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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MetaEfficient Keyring Tools For 2010

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Here’s a MetaEfficient Keyring. It’s a collection of lightweight, mini-tools suitable for carrying on a keyring.

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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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Top Mountain Bike LED Lights Under $300

LED systems are natural choice for mountain bikers given their efficient power consumption, durable construction and distinctive white light. Finding quality LED light systems for mountain bikes under $300 isn’t easy, so we’ve scoured the net and studied dozens of reviews from Amazon, MTBR.com and retailers to find the LED systems that stand out as [...]

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World’s First 100% Solar-Powered Stadium

A couple of years ago, we wrote about a 1.3 megawatt solar-powered stadium in Switzerland. A new solar powered stadium has been built in Taiwan for the 2009 World Games in July. Designed by Japanese architect Toyo Ito, the stadium incorporates 8,844 solar panels on the roof. The roof will generate enough energy to power [...]

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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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World’s Brightest Single LED Flashlight: Neofab Legion II

A triumph of careful thought, detailing and thorough testing, the Neofab Legion II is a new single LED flashlight that is said to produce a whopping 742 lumens. If accurate, this light will be the brightest single-LED in the world.

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The Best LED Desk Lamps For 2010

LED-based 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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The Best Flashlights Of 2010

Once again, we have scoured the internet to find the highest rated flashlights. The lights we feature here received the most praise from the forums and review sites we assessed. These sites included: CPF Reviews, Backpacking Light, Light Reviews, Candle Power Forums and LED Museum.

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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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Efficient Use Of Solar LED Bricks

Looks good! It’s a large-scale installation of Solar LED bricks. I couldn’t identify the location, but the bricks are Meteor Solar LED pavers. Solar bricks are self-contained — during they day they charge via the sun, and turn on automatically at night.

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Sharp Introduces Earthquake-Detecting Solar LED Streetlights

Sharp is introducing a new range of solar-powered LED streetlights. These self-contained lights charge during the day, and switch on automatically when darkness falls. They can operate for 10 years straight without maintenance. They make use of new, high-intensity LED spotlights, which are ideal for public parks. The LEDs illuminate with a directed light and [...]

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Motion-Sensing LED Lights: A Review

Motion-sensing LED lights — these lights are perhaps the most efficient lighting devices available today. They switch on whenever their infra-red sensors detect movement in a room — such as when someone begins to walk down a dark hallway. I’ve been testing them in my own home, and I’ve found them to be effective and [...]

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Office Building Lit With 100% LED Light

Last year, we featured a nightclub lit entirely by LEDs, but here’s an office building that is said to be the first to be lit by 100% LED light. The lighting was provided by the Netherlands-headquartered Royal Philips Electronics. To showcase the potential of LED light, Philips designed the lighting system to be warm and [...]

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New High Power LED Floor Lamps

Koncept has released a new series of their I-Tower LED floor lamps. It’s good to see LED floor lamps becoming widely available. These lamps use the latest generation of high-power LEDs, which means they are brighter than the older I-Tower lamps, but they actually uses less power (8.8 watts). There are two models: a daylight [...]

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Geobulb: A LED Bulb That Replaces A 60W Bulb

The Geobulb is an 8 watt LED light that replaces a 60 watt incandescent bulb. It generates 800 lumens of light to be exact — either warm white light or cool white. This bulb has a sleeker design than some of the LED lights I’ve seen — check out that aesthetically pleasing heat sink.

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