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 91av
Explore the latest news, articles and features
Popular articles
Trending 91av articles
1
Why autism pioneer Uta Frith wants to dismantle the spectrum
2
PCOS has been officially renamed PMOS, and it’s a momentous move
3
Asteroid to miss Earth by a quarter of the length from us to the moon
4
There has been a sudden increase in the rate of sea level rise
5
Neanderthals treated a dental cavity by drilling into the tooth
6
Carbon credits are flawed, but they can still help save forests
7
The mathematician who doesn’t exist
8
Neanderthal 'kneeprint' found next to mysterious stalagmite circle
9
Where did the laws of physics come from? I think I've found the answer
10
What if the idea of the autism spectrum is completely wrong?
