Theodore Maiman, who built the first working laser, passed away on 5 May aged 79. Maiman made his breakthrough in 1960 by generating pulses of coherent light from a fingertip-sized lump of ruby ...
When Darwin Quiroz first started working with optics as an undergraduate, he was developing atomic magnetometers. That ...
Light's shadow: Researchers showed that a laser beam can sometimes act like a solid object and cast a shadow that is visible to the naked eye. In the picture, the shadow appears as the horizontal line ...
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