On several occasions in the past, intense solar flares from the sun have disrupted broadcast signals here on Earth. Bursts of radiation from the sun have the ability to impact radio communications. Ov...
Any time a device is not powered down, the device is still receiving and emitting electromagnetic radiation. Reduce your exposure by storing your device in your purse or computer bag. At family time, consider having a spot where everyone stores their devices so that no one is distracted or exposed.