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New LED Light Bulbs Can Replace 100W Incandescents

EarthLED's Evolux LED Light Bulb: Energy Efficient

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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Red LEDs to Grow Lettuce

Apparently red LEDs are 60% more efficient than fluorescent light when growing vegetables hydroponically. According to IEEE Spectrum Online: Of all the colors of the rainbow, red is lettuce’s favorite. Chlorophyll, the electrochemical engine of photosynthesis, runs on red photons. So if you are growing the vegetable indoors in a factory, why waste energy on […]

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A Solar Flower Tower Rises In The Desert

Constructing The Solar Tower In Israel

This unusual solar tower was designed by Israeli architect Haim Dotan for AORA Solar. It is set to launch on June 24 in South Israel. The tower has 30 tracking mirrors (heliostats) that reflect sunlight towards the top of a 30-meter high solar tower. The top of the tower has a special solar receiver and […]

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Recycled Steel Fire Pit

Here’s another recycled creation from John T. Unger — it’s a fire pit made of 100% recycled steel, called the Great Bowl O’ Fire. The piece is a bit of a visual pun, because it is hand cut with a torch from decommissioned propane tanks! The heavy steel of the pit actually radiates heat like […]

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