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How does a car cigarette lighter work? (www.lumafield.com)

submitted 3 months ago by [email protected] to c/[email protected]

32 comments fedilink hide all child comments

This is an ad for something CT-scan-related, but it contains a good breakdown of how an old car cigarette lighter works. And it has a couple interactive CT Scan explorers past the video.

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[–] [email protected] 1 points 3 months ago (1 children)

You're still buying GPS devices? What's wrong with your phone?

Not judging - genuinely curious why some people buy them.

[–] [email protected] 2 points 3 months ago* (last edited 3 months ago) (1 children)

Bought my first one probably 20+ years ago at this point.

Bought my second one probably 10+ years ago when traveling abroad and it was more reliable and cheaper to have offline maps of the countries I was going to.

We like to travel to places that often have spotty cellular coverage, if at all.

[–] [email protected] 1 points 3 months ago

Ah okay, I don't go to places with spotty coverage all that often...and when I do I just download that part of Google maps onto my phone and it works just fine. And by "that part" I mean a significant part of my country! Small world here in Europe I guess.