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Ultraviolet

— Space

High-altitude rocket looks for clues on emerging stars

By - May 29, 2014 2 Pictures
In an experiment designed to look for the fundamental building blocks of matter in the dust clouds of interstellar space, NASA recently launched a high-altitude sounding rocket containing the Colorado High-resolution Echelle Stellar Spectrograph (CHESS) payload. Enabling scientists to carry out the most comprehensive single instrument study of its type ever conducted, the research promises to give new insights into the formation of stars. Read More
— Health and Wellbeing

Smartsun wristband turns pink when it's time to make for the shade

By - May 8, 2014 1 Picture
Balancing a healthy amount of time in the sun while avoiding overexposure to its harmful UV rays can be a a difficult task. Indeed, the challenge of finding this happy medium has produced a bevy of of UV-detecting wristbands, such as the UVeBand and the UVA+Sunfriend. Smartsun is the latest to join the ranks of such devices, alerting users to dangerous levels of UV exposure by changing color from yellow to pink when it's time to head indoors. Read More
— Health and Wellbeing

Sunfriend UV wristband encourages healthy sun exposure without sunscreen

By - December 1, 2013 3 Pictures
Most of us are aware of the dangers surrounding the amount of time we spend in the sun. Although we rely on exposure to sunlight to provide us with vitamin D, a lack of protection from harmful ultraviolet (UV) rays can lead to skin cancer. It can be a fine line between a healthy dose of sun and retreating indoors to coat ourselves in Aloe vera. The UVA+B Sunfriend aims to promote a healthy amount of sun exposure by alerting users when it is time to make for the shade. Read More
— Science

Unlocking the sunscreen code of marine life may offer complete UV protection

By - August 14, 2013 6 Pictures
The next generation of powerful sunscreens may have their roots in some unlikely sources – corals from the Great Barrier Reef and bacteria found in the Trondheim Fjord in Norway. When developed, these new sunscreens could offer protection across a wider band of ultraviolet (UV) radiation suspected to cause deadly forms of skin cancer, which current sunscreens don't protect against. The discoveries represent huge breakthroughs, made possible by harnessing the natural sunscreen abilities that these life forms have developed over millions of years to survive the harsh UV radiation in their respective environments. Read More
— Science

UV-LEDs make bygones of strawberry mold and decay

By - June 5, 2013 4 Pictures
A truism as old as strawberry picking is the observation that the juicier and tastier the strawberries, the more quickly the berries turn to a mushy heap of rot and mold, even in the fridge. An answer to longer fruit storage may come with research showing that selective UV light inhibits both decay and the growth of mold. With new LEDs able to produce specific types of UV light, we might see gadgets for use in the fridge that keep produce fresher longer. Read More
— Health and Wellbeing

UV-measuring wrist band lets you know when to reapply sunscreen

By - March 7, 2013 5 Pictures
If you spend much time outdoors in the summer, then you doubtless know how important it is to wear sunscreen. That said, you probably also know that just applying it once before you first go outside isn’t good enough – for sufficient protection from the sun’s ultraviolet rays, periodic reapplications are also necessary. The UVeBand is a new wearable device, that’s designed to let you know when it’s time for those reapplications. Read More

Asahi's auto glass blocks UV, filters out IR rays

As prolonged exposure to sunlight increasingly becomes a health hazard, causing skin problems and even cancer, automakers have started to incorporate glass that blocks harmful ultraviolet light. Japan's Asahi Glass Co (AGC) has added to its portfolio a new line of tempered front window glass called UV Verre Premium Cool on, which it says is the first of its kind to block about 99 percent of ultraviolet radiation, along with infrared (IR) rays. Read More

New monitoring wristband tells users when to get out of the sun

With around 200,000 new cases worldwide of malignant melanoma, the most virulent form of skin cancer, reported in 2008 according to Cancer Research UK statistics, limiting exposure to the sun is vitally important. But keeping track of our exposure, particularly on cloudy days, can be a difficult exercise. New technology developed at the University of Strathclyde makes things easier by providing a visual warning of when to seek some shade or slap on some more sunscreen. Read More
— Space

Successful launch of NASA's Degradation Free Spectrometers

By - July 29, 2012 1 Picture
On July 24, 2012, NASA successfully launched a pair of newly developed spectrometers aboard a sounding rocket from the White Sands Missile Range, New Mexico to an altitude of 323.8 km (201.2 mi). This may not seem to have much to do with extending the life of a satellite floating between the Sun and Earth about 1.5 million kilometers (932,000 mi) away, but it does. That’s because the tests purpose was both to test new instruments for a potential future replacement of the SOHO solar observatory satellite and to recalibrate SOHO’s existing instruments. Read More
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