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Tag archives: BICEP2

Silence the ping: astronomers urge 24-hour microwave-oven ban

By Ken Heartly-Wright

Switch Microwaves Off Now

(Shutterstock/Andris Torms)

An international group of astronomers is calling for people to stop using their microwave ovens for 24 hours next April to give scientists a better chance of finding gravitational waves.

The ubiquitous kitchen gadgets broadcast copious amounts of electromagnetic radiation at frequencies around 2.45 GHz – exactly that of the cosmic microwave background, which bears the signature of gravitational waves from the early universe.

The call for a one-day global microwave oven ban comes just a fortnight after scientists detected B-mode polarization from the early universe using the BICEP2 telescope at the South Pole.


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