Copies of patents, which contain fuller details and addresses of inventors,
can be obtained from science reference libraries around Britain. For the
details of free public access and purchase price, contact the British Patent
Office at Concept House, Cardiff Road, Newport, Gwent NP9 1RH (Tel: 0633
813535) or the Science Reference and Information Service, 25 Southampton
Buildings, London WC2A 1AY (Tel: 071 323 7919).
More from New Scientist
Explore the latest news, articles and features

ÎçÒ¹¸£Àû1000¼¯ºÏ
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

ÎçÒ¹¸£Àû1000¼¯ºÏ
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 New Scientist articles
1
How menopause radically changes the brain – and what happens after
2
Woman with Alzheimer's starts conversing again after taking psilocybin
3
Faecal transplant makes the brains of old mice act young again
4
We've found a mysterious substance on Titan and Pluto
5
A quantum state that lasts forever may finally be within our grasp
6
The surprising ways your brain changes from your 20s to your 40s
7
Autism may have two distinct subtypes that vary by brain activity
8
New-to-science spider builds trap that flings ants into the air
9
Walking shark found in Papua New Guinea is new to science
10
What’s the secret to living well beyond the average life expectancy?