Christmas Day’s full moon made me decide to make my first post of the New Year about a resolution—specifically, the resolution of the human eye. (See what I did, there?) We’re so used to images of the full moon like the one above, it’s difficult to remember that, until the invention of the telescope in … Continue reading New Year / Resolution
A familiar pair of primary and secondary rainbows is always concentric, and the outer rainbow has its colours in the reverse order from the primary. But these two have their colours in the same order, and are converging to meet on the horizon. What’s going on there? I was walking home from work a couple … Continue reading Converging Rainbows
If you’ve been enjoying Dr Helen Czerski’s BBC4 series Colour: The Spectrum of Science (and why would you not?), then I find a cluster of related books on the shelves chez Oikofuge, all of which I can recommend. Philip Ball is a popular science writer of long experience, and his Bright Earth: Art And The … Continue reading Three books About Colour