Sailing by

Most of us can perceive a spectrum of colours ranging from red through to violet, the visible spectrum being just one part of the wider electromagnetic spectrum ranging from radio waves through to gamma rays. As radio waves and light are essentially two different forms of electromagnetic radiation I wanted to consider what it would …

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Violets are blue

The colour violet is intriguing as it’s one we don’t see every day. It’s outside the colour range of television screens and computer monitors, and it can’t be faithfully reproduced by standard colour printing processes. The reason for this is complex but I’ll attempt to explain it in simple terms in one page. In the …

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Articles about colour

Two weeks ago I gave a talk about colour at Interesting 2009. A few people have asked me to explain a bit more about it. There’s a lot to say so I’ll be doing this in at least three parts along these lines: The colour violet What Radio 4 would look like if you could …

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