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

Environment
2026 will be the hottest year on record, leading scientist predicts
News

Technology
NHS England rushes to hide software over AI hacking fears
News

ÎçÒ¹¸£Àû1000¼¯ºÏ
The 4 biggest myths about hydration, according to an expert
Comment

Life
Oak trees use delaying tactics to thwart hungry caterpillars
News
Popular articles
Trending New Scientist articles
1
We have figured out a new way to send messages into the past
2
Human heads have changed shape a lot in the past 100 years
3
100-year-old assumption about the universe may soon be overturned
4
Why the keto diet could be a revolutionary way to treat mental illness
5
The 4 biggest myths about hydration, according to an expert
6
We may finally have a cure for many different autoimmune conditions
7
Thought-provoking photographs capture what it feels like to have ADHD
8
An unorthodox version of quantum theory could reveal what reality is
9
The best new science fiction books of May 2026
10
The bombshell results that demand a new theory of the universe