LED Grow Lights

A lot of readers expressed interest in using red and blue LEDs for hydroponic growing. These LED lights can be found at Amazon. It is, of course, more efficient to grow plants outside, but when this is not possible, LEDs are an efficient choice.

GM And Segway Unveil Their Electric 2-Seater

Yesterday, GM and Segway unveiled an electric-powered urban vehicle called the Puma. The Puma seats two people, and is said to reach a top speed of 35 miles per hour. The vehicle can go 35 miles before needing a recharge. Larry Burns, vice president of research and development for GM, said it would cost about 35 cents to charge the …

The Best LED Desk Lamps Of 2015

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Best Overall: TaoTronics Elune Desk Lamp The TaoTronics Elune is priced at $50 and it is probably the best value LED desk lamp available. This lamp has 30 LEDs that shine with 450 lumens at full power. The lamp has a slide touch switch on the top that allows you to adjust the brightness to any one of 7 brightness levels. …

Unfolding Prefab: Holl House by Andrew Maynard

Andrew Maynard‘s Holl House starts off as a vertical column, then unlocks into a horizontal network of hinged structures. “How can the housing industry make exciting, well designed and cheap housing?” Maynard asks. “Easy, mimic the car industry.” “The dimensions of the basic module are dictated by the maximum dimensions available to be transported legally on Australian roads without permits.” …