'Save sight with more light': NASA helps develop new bulb
... work and reading surfaces, compared to a standard incandescent light bulb, and includes a frosty finish that reduces eyestrain by lowering glare. With an average lifetime of 2000 hours, twice as long as a standard bulb, this product is suitable for people of all ages and is specifically ideal for duties requirin...Air in Fallon, Nev. has elevated levels of tungsten and cobalt
...peratures, such as drill bits and the filaments of incandescent light bulbs. Tungsten is naturally present in soils and rocks in Churchill County and other parts of Nevada. The metal was mined in the region around Fallon at various sites, including Churchill Butte. "There are more metals in the air in Fallon than...New screening process helps better diagnose oral cancers
...ients were given routine visual examinations under incandescent light for suspicious lesions. The lesions that were deemed suspicious were then assessed with Vizilite, followed by the toluidine blue dye and then biopsied. Doctors then compared the findings from the conventional exam to the advanced, illumination ...UN engages banks to light up rural India; Solar loans, energy access transform life for poor
...ps is not even 10 percent of the most in-efficient incandescent electric lighting. This means high costs for lighting and undesired emissions. A study shows kerosene and similar fuels account for 20% of global lighting costs but provide only 0.1% of lighting energy services. In terms of greenhouse gas emissions......nels are lighter, brighter and more efficient than incandescent lights and are expected, with further engineering,...sphor geometry are optimized, Eden said. A typical incandescent light has an efficacy of 10 to 17 lumens per watt. The researchers also demonstrated flexible plasma...