Computer trouble hits Hubble Space Telescope, science halted

The Hubble Space Telescope has been hit with computer trouble, with all astronomical viewing halted, NASA said Wednesday. The orbiting observatory has been idle since Sunday when a 1980s-era computer that controls the science instruments shut down, possibly because of a bad memory board. Flight controllers at NASA's Goddard Space...

Using visible light to efficiently decompose carbon dioxide

Carbon dioxide (CO2) emissions from human activities have risen drastically over the last century and a half and are seen as the primary cause of global warming and abnormal weather patterns. So, there has been considerable research focus, in a number of fields, on lowering our CO2 emissions and its...