Aluminum foil lamps outshine incandescent lights
...of gas and phosphor used, uniform emissions of any color can be produced. In the researchers preliminary plasma lamp experiments, values of the efficiency known as luminous efficacy of 15 lumens per watt were recorded. Values exceeding 30 lumens per watt are expected when the array design and microcavity...Brightening prospects of using fluorescent nanotubes in medical applications
...of distinct layers. The topmost layer has a purple color and, when analyzed, proves to contain a surprisingly uniform population of the brightest nanotubes. The researchers had expected this approach to boost the quantum efficiency by five to ten times. The fact that the improvement was considerably larger...Advocates ask fashion industry to support braille clothing tags; talking Web site
...s will include three symbols indicating the brand, color and coordinating style for mixing and matching individual pieces. A second label will include washing instructions in Braille. Brill and Abushagur chose the name for their organization based on White Cane Day, or Oct. 15, the annual day of awarenes...