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Optics and photonics

Optics and photonics

The International Day of Light: celebrating the power of glass

17 May 2022 James McKenzie
Taken from the May 2022 issue of Physics World, where it appeared under the headline "Light fantastic".

To celebrate the International Day of Light, James McKenzie reflects on the wonders of optical communications

bundle of optical fibres
Colourful celebration The fifth International Day of Light takes place on 16 May 2022. (Courtesy: iStock/Gregory_DUBUS)
I hope you don’t need me to remind you, but Monday 16 May 2022 is the fifth International Day of L

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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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