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Letter: Letters: Light fantastic

Published 30 April 1994

From ULF JOHANSON

Q: Why does the filament in a standard household light bulb start glowing
when it is put into a microwave oven (and the oven is turned on).

Ulf Johanson Lund, Sweden

Issue no. 1923 published 30 April 1994

Â鶹´«Ã½ issue 1923 cover

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