Don’t panic. It’s only a test. A nationwide test, that is. At about 2:20 p.m. on Wednesday, every cellphone, television set and radio in the country will emit the familiar beeping noise associated ...

WASHINGTON — Around 2:20 p.m. Eastern Time (or a little closer to 2:18 p.m. Eastern) on Wednesday, Oct. 4, millions of cellphones, TVs and radios across the country sent out an alert as part of a ...

CLAIM: An emergency broadcast system test on Oct. 4 will send a signal to cell phones nationwide in order to activate nanoparticles such as graphene oxide that have been introduced into people’s ...

A Sept. 20 Instagram post (direct link, archive link) shows a video of a man urging people to turn off their cellphones during an upcoming test of the emergency broadcast system. “This test will be ...