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Laser Light

Environmental control committee formed to prevent bridstrike, laser light incidents at airports

KARACHI: A six-member environmental control committee has been formed to prevent the incidents of bird hits and laser lights at airports. Birdstrike and laser beam are on the rise at airports which may lead to a serious accident, said sources. The environmental committee of Civil Aviation Authority (CAA) will work under supervision of the relevant airport manager. The committee will also include representatives of local administration and Sindh Building Control Authority ┬áto ensure safety and environmental protection,…

A nice, bright smile: Scientists use lasers to regrow teeth

WASHINGTON: Scientists have come up with a bright idea - literally - to repair teeth. And they say their concept - using laser light to entice the body's own stem cells into action - may offer enormous promise beyond just dentistry in the field of regenerative medicine. The researchers used a low-power laser to coax dental stem cells to form dentin, the hard tissue similar to bone that makes up most of a tooth, demonstrating the process in studies involving rats and mice and using human cells in a laboratory. They did not…