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Optics and photonics

Optics and photonics

A day of light

15 May 2018 James McKenzie
Taken from the May 2018 issue of Physics World

James McKenzie reflects on the business impact of lasers and light-emitting diodes

Laser tag
Bright prospect: the first International Day of Light will be celebrated on 16 May. (Courtesy: iStock/RichLegg)
This month sees the first International Day of Light. Wednesday 16 May was chosen because it is the

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James McKenzie is the writer of the Transactions column for Physics World about physics in industry. He is writing here in a personal capacity
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