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9:34am on Tuesday, 1st September, 2015:

Beeps

Anecdote

When smoke alarms are running low on battery, they spend their remaining energy on giving off periodic beeps to attract attention to them. This is useful, as it means you really don't want inert smoke alarms.

However, when they decide at 5am that they are low on battery, that's less welcome.

ZZZzzz...




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Copyright © 2015 Richard Bartle (richard@mud.co.uk).