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Comment on What's a 'common sense' thing that you genuinely don't understand, and have been too embarrassed to ask about until now?

over_clox@lemmy.world ⁨10⁩ ⁨hours⁩ ago

I’m 43. How does Call Waiting work? Like how do you switch over from one call to the other?

I’ve never had any situation where I had a second call come in while already in a call, but seriously how tf does that work?

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Brkdncr@lemmy.world ⁨9⁩ ⁨hours⁩ ago
Honestly how did two wires on old phones power the phone, got it to ring, hold a two-way conversation, and also dial out? Only two wires?!?

I took a class at college on it and the mystery was revealed but I’m still convinced it’s magic.

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- over_clox@lemmy.world ⁨9⁩ ⁨hours⁩ ago
  Apparently they ran on like 90 volts!
  
  Yeah, I didn’t have a landline phone at home as a kid, but I was still stupid and curious enough to lick the phone wires at a friend’s house out of curiosity.
  
  Note to self, don’t lick random wires… 💀
  
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  - GhostPain@lemmy.world ⁨9⁩ ⁨hours⁩ ago
    You sir are not allowed around AM radio towers! lol
    
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    over_clox@lemmy.world ⁨9⁩ ⁨hours⁩ ago
    I only learned my lesson ~~three~~ five times, never again!
    
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- GhostPain@lemmy.world ⁨9⁩ ⁨hours⁩ ago
  Oh man, you need to look up AM radio towers!
  
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- Zwuzelmaus@feddit.org ⁨8⁩ ⁨hours⁩ ago
  
  Only two wires?!?
  
  LOL.
  
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