My Own Right Time by Philip Woodward (Oxford University Press, £24.99, ISBN 0 19 856522 4) is a story of an obsession. How accurately can a swinging pendulum be made to keep time? This problem led the author to construct several unique clocks, with astonishing results. The delicate and scrupulous operations necessary are illustrated by exquisite drawings.
More from Âé¶¹´«Ã½
Explore the latest news, articles and features

Health
Woman with Alzheimer's starts conversing again after taking psilocybin
News

Life
New-to-science spider builds trap that flings ants into the air
News

Health
How menopause radically changes the brain – and what happens after
Features

Mind
‘Fusogenic’ neurosurgery let paralysed pigs walk again – are we next?
Comment
Popular articles
Trending Âé¶¹´«Ã½ articles
1
Woman with Alzheimer's starts conversing again after taking psilocybin
2
How menopause radically changes the brain – and what happens after
3
Faecal transplant makes the brains of old mice act young again
4
Most portable air conditioners suck – but there's an easy fix
5
A promising natural technique to remove CO2 could backfire
6
The secrets to keeping your brain sharp in old age
7
We've found a mysterious substance on Titan and Pluto
8
Can prebiotics, probiotics or postbiotics help your ageing microbiome?
9
New-to-science spider builds trap that flings ants into the air
10
‘Fusogenic’ neurosurgery let paralysed pigs walk again – are we next?