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COI synopsis: Scratched records can be depressingly unusuable. Now a British electronics expert has brought a black box to the rescue. Plug this small box into your record-player, and even tiny clicks are...
COI synopsis: Should pollutants get into a river they could poison entire populations through their drinking water. The latest system uses "detector" fish to detect even minimal pollution! Ingenious...
COI synopsis: A new blind aid which uses a heat ray - a beam of invisible infra-red radiation - to reveal obstacles in the path of a blind person has been developed in a British laboratory. It is both...
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