Pupils perform 'alarming' feat | Metro.co.uk

Pupils perform ‘alarming’ feat | Metro.co.uk
:
A high-pitched alarm which cannot
be heard by adults has been hijacked by
schoolchildren to create ringtones so they
can get away with using phones in class.

Techno-savvy pupils have adapted the
Mosquito alarm, used to drive teenage
gangs away from shopping centres.

——–
brilliant cooptation of the technic’s purpose.

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