'Air Laser' Could Detect Harmful Chemicals
source: http://news.discovery.com/tech/air-laser-could-detect-harmful-chemicals-110223.html
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- suzane
- added this
It’s not just magicians who can make something appear out of thin air; researchers can do it, too. A group at Princeton University has developed a way to shoot a laser beam at a specific point in the air where a second beam is created that can travel in the reverse direction.
:http://news.discovery.com/tech/air-laser-could-detect-harmful-chemicals-110223.html
:http://news.discovery.com/tech/air-laser-could-detect-harmful-chemicals-110223.html
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- groups:
- Tech
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- tags:
- Chemicals, Explosives, greenhouse, laser beam
