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
Hantavirus outbreak will not cause a covid-style pandemic, says WHO
News

ÎçÒ¹¸£Àû1000¼¯ºÏ
PCOS postpones perimenopause and allows pregnancies at older ages
News

ÎçÒ¹¸£Àû1000¼¯ºÏ
Coffee's mood-boosting effects aren't just down to caffeine
News

Comment
The best new popular science books of May 2026
Culture
Popular articles
Trending New Scientist articles
1
Red-light therapy does have health benefits but not the ones you think
2
Man destined for Alzheimer's may have been saved by accidental therapy
3
A lost ancient script reveals how writing as we know it really began
4
Woman in cancer remission without treatment in highly unusual case
5
PCOS postpones perimenopause and allows pregnancies at older ages
6
Where has the deadly hantavirus come from and how does it spread?
7
Hantavirus outbreak will not cause a covid-style pandemic, says WHO
8
Is consciousness more fundamental to reality than quantum physics?
9
Extinct relative of koalas discovered in Western Australia
10
Honey has been used as medicine for centuries – does it really work?