THE gardening column of the London Daily Mail may not be the first place to look for breakthroughs in physics, but just occasionally that’s where you will find them – as, for example, on 28 May, when it wondered why certain colours appear more dominant than others. Why, it asked, do “reds, oranges and yellows…seem to grab our attention while blues, indigos and violets are more reserved”?
The answer will come as a surprise to many: “This is due to the speed at which each colour travels towards the eye – reds, being produced by short-wave light,…
