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Light shows, ray guns and blades: the laser is 50

See the evolution of the laser from a "solution looking for a problem" via CDs and the internet backbone to the front line of fusion power technology
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Gallery:Light shows, ray guns and blades: the laser is 50

The original 鈥渟olution looking for a problem鈥�, the laser is now 50 years old but still seems futuristic. This gallery charts the evolution of a technology that underpins everything from the fibre-optic backbone of the internet to the search for clean fusion energy.

Gallery:Light shows, ray guns and blades: the laser is 50

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