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Most people are aware that ultraviolet (UV) rays can cause damage to the skin, but it can also damage the eyes. The cumulative effect of not protecting eyes from the sun can cause unpleasant problems such as cataracts, skin cancers around the eye and pterygium - an abnormal growth which starts in the corner of the eye but can grow over the cornea. Researchers from Penn State are hoping that a new recipe for making glass will further improve the protection offered by UV blocking sunglasses. The team has discovered that adding cerium oxide to phosphate glass could result in sunglasses, windows and solar cells that block UV light more effectively and have increased radiation resistance. Read More
Pureray ultraviolet baby bottle sterilization concept
By Jude Garvey
00:54 November 10, 2009
There’s been a lot of focus over the years on the dangers of bisphenol A (BPA) in plastic baby bottles, which is understandable given that baby safety is foremost in parents’ minds. So what would a safety-conscious parent think of the Pureray ultraviolet baby bottle concept – a bottle with an inbuilt ultraviolet lamp that's supposed to kill nasty germs and bugs? Read More
Swift snaps our best-ever ultraviolet image of neighboring Andromeda Galaxy
By Jeff Salton
18:51 September 20, 2009
In a galaxy far, far away … about 2.5 million light years, in fact, lie approximately 20,000 hot, young stars and dense clusters that comprise the Andromeda Galaxy. The galaxy, known as M31 in the constellation Andromeda, was recently captured by an ultraviolet optical telescope aboard NASA’s Swift satellite, and delivers the highest-resolution view of a neighboring spiral galaxy ever attained in the ultraviolet. Read More
