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"Federal Agency Investigating Sand-Blasting Hazards"

"For years, the wastes from burning coal and producing copper have enjoyed a second life, used in sand-blasting to remove paint, rust and grime from ship's hulls, storage tanks, bridge trusses and other surfaces. Painting contractors, shipyard workers and thousands of others in Baltimore and across the country are said to use the black, gritty material called slag. Now, though, questions have been raised about whether those who do blasting with ground-up coal or copper slag may be unwittingly exposing themselves to toxic contaminants that could damage their health."

Source: Baltimore Sun, 02/27/2012

"Faulty Wire Error Blamed for 'Faster-Than-Light' Particles"

"A European experiment that in September showed particles moving faster than the speed of light has been exposed as a mistake due to a faulty wire connection, the US journal Science said Wednesday.

'A bad connection between a GPS unit and a computer may be to blame,' said the report on the magazine’s website section Science Insider, citing 'sources familiar with the experiment.'

Source: af, 02/24/2012

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