In case you didn’t know, your mobile phone charger — as well as other AC adapters and electrical transformers in general — emit dangerous radiation at close proximity.
The electrical current that’s needed to operate most cellular phones is lower than the current that’s buzzing on the electrical grid. And since we don’t want to fry our phone with an amount of current it cannot handle, we have to convert the current properties somewhere along the way — that’s where our AC Adapter comes into action. The little (often) black box creates a magnetic field that’s blocking some of the current from reaching the end device. Yes, a plugged-in transformer establishes a magnetic field around it! And it’s a dangerous one, to be sure.
On the contrary, the good news is that the magnetic field is relatively small, and its strength substantially diminishes as you step away from it. Thirty cm from the transformer, the radiation becomes harmless, and half-a-meter away it’s almost undetectable.
The bottom line, don’t be afraid of your mobile phone charger, just make sure not to sleep right next to it.
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