this post was submitted on 20 Nov 2024
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The United States will soon provide antipersonnel mines to Ukraine, a U.S. official confirmed late Tuesday, in a move that followed Ukraine’s first deployment of long-range U.S.-supplied ballistic missiles in an attack on Russia.

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[–] [email protected] 5 points 23 hours ago (1 children)

From the article...

"The official also pointed to the function of the mines, which they said require a battery for operation and will not detonate once the battery runs out after a period of a few hours to a few weeks."

[–] [email protected] 2 points 23 hours ago (1 children)

That's brilliant engineering but also...I wonder how common some kind of reverse-dud would be?

"Oh cool it's probably inert because that was MONTHS ag--"

[–] [email protected] 2 points 21 hours ago* (last edited 21 hours ago)

Batteries are bounded by more predictable chemistry more so than something like the breakdown of a mechanical based trigger waiting for rust or decomposition. Chemistry makes it easier to model and predict. If you've got a 1Ah battery and it consumes x watt hours per hour, then it takes y days to burn through. Tolerances that cause the battery to have slightly more or less capacity or component power consumption will likely be <5%, thus not radically different because nobody is timing this to the minute.