2507: USV-C

Explain xkcd: It's 'cause you're dumb.
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USV-C
Ultra-Serial Violet C light is unpolarized, so you don't have to flip the polarizing filter over when you get the orientation wrong the first time.
Title text: Ultra-Serial Violet C light is unpolarized, so you don't have to flip the polarizing filter over when you get the orientation wrong the first time.

Explanation

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Transcript

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Discussion

I just did my first edit! It'll definitely get changed, but I guess this is good enough for a start

162.158.89.204 16:30, 25 August 2021 (UTC)

that's not as absurd as it sounds. there are optical usb cables which work by converting the usb signals to and from light signals.162.158.92.83 16:48, 25 August 2021 (UTC)

I bet this is going to be an xkcd that gets recreated in real life.

108.162.215.87 17:01, 25 August 2021 (UTC)

There are ultraviolet LED lamps that are powered at 5V with an USB connector. xkcd in real life it's already done. 141.101.105.27 17:57, 25 August 2021 (UTC)

I've been unable to find one with a hardwired male USB-C plug in a quick Google search. Though, there are many portable UV-C lamps which would count as USB-C socket to UV-C, so you could add on a USB-C plug-plug adapter and emulate this XKCD with two chained adapters. 172.69.71.69 19:20, 25 August 2021 (UTC)

Am I the only one to think "from C to shining C"? And I'm not even American. 141.101.76.209 20:00, 25 August 2021 (UTC)

It could be as simple as a UV lightbox integrated into a USB EPROM programmer. Have a few in the back erasing while you're programming a few in the front. --Tepples (talk) 22:42, 25 August 2021 (UTC)

It could be that the light flashes on and off for data or something. --198.41.238.51 05:35, 26 August 2021 (UTC)

Regarding getting it backwards the first time: an old engineer I worked with back at the beginning of my career 40 years ago used to say (speaking of serial cable pins, but applicable here also): always just try connecting it at random. That way you'll have a 50% chance of being right. If you try to figure it out first, your odds go way down. Gbisaga (talk) 13:03, 27 August 2021 (UTC)

Germ killing can't be connected to COVID. COVID is a virus, not a germ. --141.101.77.69 15:19, 28 August 2021 (UTC)

https://www.merriam-webster.com/dictionary/germ Definition 3: : "a microorganism causing disease : a pathogenic agent (such as a bacterium or virus)" Kempsridley (talk) 16:02, 2 September 2021 (UTC)

Is this article still incomplete, or can the tag be removed now? Kempsridley (talk) 16:10, 2 September 2021 (UTC)