Somebody Painted the Sky

Rainbows are amazing. They even brighten up a drab Paddington skyline. And the physics behind them is wonderful as well.  And just think that the splitting of light into those various colours might at this very moment be helping you read this. See DWDM (Dense Wavelength Division Multiplexing) You will either be interested or at least it might help your insomnia. But it is very important to all us Internauts. Copyright Paul Andrews and Caroline Schmutz, Junagarh Media, http://www.junagarhmedia.co.uk

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