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Appearances Over Time

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Stuff You Should Know
AM Radio: Solid Gold

A bunch of car makers, from what I can tell, led by Tesla, I think they were the first ones to announce this back in 2020, that they were going to discontinue AM radios in their cars.

Stuff You Should Know
AM Radio: Solid Gold

And I think now you can kind of imagine why it's a politicized idea.

Stuff You Should Know
AM Radio: Solid Gold

But the ostensible reason is that the AM stereo is interfered with by the EV.

Stuff You Should Know
AM Radio: Solid Gold

Long story short, AM waves are much more susceptible to noise because of electrical interference.

Stuff You Should Know
AM Radio: Solid Gold

Well, an electrical vehicle is lousy with electrical interference.

Stuff You Should Know
AM Radio: Solid Gold

And so the whole car industry is like, we're going to have to spend a bunch of money just to keep this AM radio in there.

Stuff You Should Know
AM Radio: Solid Gold

government is pretty adamant that AM radio needs to stick around.

Stuff You Should Know
AM Radio: Solid Gold

Again, not just for the public good thing, the nostalgia factor, but also because if you are going to get an alert that, you know, the Cubans have invaded...

Stuff You Should Know
AM Radio: Solid Gold

you're going to probably get that alert over an AM radio station because that's what the whole system is set up to do.

Stuff You Should Know
AM Radio: Solid Gold

Not because it's antiquated, but because AM radio does all sorts of things.

Stuff You Should Know
AM Radio: Solid Gold

The waves can travel very far, so it reaches a lot of people.

Stuff You Should Know
AM Radio: Solid Gold

Rural people listen to AM radio still today, like it's just part of rural life.

Stuff You Should Know
AM Radio: Solid Gold

So everybody is reached by AM one way or another.

Stuff You Should Know
AM Radio: Solid Gold

And I didn't know this, but you can make...

Stuff You Should Know
AM Radio: Solid Gold

type of radio, a crystal receiver radio that can play AM radio broadcasts without any battery or power source.

Stuff You Should Know
AM Radio: Solid Gold

The crystal manages to take the energy in the radio carrier wave and use that alone to basically reproduce the sound.

Stuff You Should Know
AM Radio: Solid Gold

So for all those reasons, AM radio really makes a lot of sense to put all of your eggs in that basket as far as getting emergency broadcasts out.

Stuff You Should Know
AM Radio: Solid Gold

So the government said, long story short, you need to keep AM radios in cars, and they're trying to figure out how to get that mandated.