Category: chemistry

30 August 2023

Every year I get together in the summer with a friend and we make an indigo vat. Dyeing with indigo is a mixture of chemistry and magic, rather like developing a film. I’m not going into the detail again as I’ve put up a couple of posts before…

22 May 2023

No, not a rant about politics, but an explanation of the love-it-and-hate-it scent of the common hawthorn, or May Tree, also known as whitethorn and quickthorn (Crataegus monogyna). Just now, the roadside hedges are dotted with the linear wands of flowering hawthorn, and if you are on foot…

7 September 2019

As well as being the title of an evocative novel by US author Anita Shreve,  sea glass is a favourite amongst the beachcombing fraternity. Don’t think broken bottles lobbed onto the beach by drunks, but instead, imagine small frosted nuggets in many colours, transformed by the tumbling action…

11 July 2019

If you live in grass-growing country (as I do here in the southwest of England), one of the most elusive and evocative scents of summer is the smell of the sweet vernal grass – as charming in its name as in its perfume. It flowers from spring onwards,…

18 April 2018

After months of cold, wet and gloom, today was the first warm sunny day of the year. Combined with a spring low tide, this was the perfect opportunity for a seaside walk. I’ve visited Seaton many times, but never at such a low tide, which revealed a wave-cut…

20 July 2016

They are tedding the hay in the field behind our garden today – we’ve had such a cool wet summer so far this is the first time it’s really felt like summer (i.e. hot and dry). Hay is best made in June, but mid-July it will have to…

9 June 2003

Naturally-occurring bubbles in a rock pool – although it looks as if I added some bubble bath, it is organic compounds from decaying seaweed that produce the froth. (The same that make the foam on beer!) Sometimes, a photo causes a small ripple of excitement when one sees it full-sized…