Your Phone Will Sound a Loud Alarm on Oct. 4

Get ready for a little chaos on Wednesday afternoon, because a test of the national Wireless Emergency Alerts will happen between 2:20 and 2:50 p.m. EDT. (That’s 11:20 to 11:50 a.m. on the West Coast.) If you have a burner phone that needs to stay hidden, or a baby who sleeps during that time, you may want to be…