Both UVA and UVB rays can damage your skin, just in different ways. One causes premature aging, the other is more prone to causing sunburn, DNA damage, and skin cancer.

A radiation detector capable of providing both spectroscopic and directional information would allow users to more rapidly identify and localize radioactive sources, ultimately reducing the time spent ...

Physics is the search for and application of rules that can help us understand and predict the world around us. Central to physics are ideas such as energy, mass, particles and waves. Physics ...

Gamma and proton irradiations are conducted to single out the effects of total ionizing dose (TID) from the damage induced by displacement damage dose (DDD). The radiation-induced degradation is ...

Breaking science news and articles on global warming, extrasolar planets, stem cells, bird flu, autism, nanotechnology, dinosaurs, evolution -- the latest discoveries ...