Hold something in front of these lamps, and the lamp shade will change to the color of the object. There’s a standard light bulb inside, surrounded by a ring of LEDs which project the color onto the shade. These lamps will be released sometime next year by Philips. We also featured Philips’ interactive bulbs in […]
Invented by a police officer, PowerFlares are LED replacements for convetional flares. They have the advantage of not emitting toxic fumes or polluting the the ground. They also tend to cause fires, such as the one seen here. PowerFlares emit light in all directions, and can be seen for miles at night. Each unit is […]
I have a “forever flashlight” — the kind that you shake for 20 seconds and get 5-10 minutes of light. This flashlight seems to be an improvement on that idea. It uses three ultra-bright LEDs. One minute of wind-up provides up to one hour of light. It’s available from Amazon.
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.