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Saturday, January 26th, 2019 03:28 pm
ingenious little device to tell if your fragile package has been handled roughly.

Saturday, January 26th, 2019 11:46 pm (UTC)
Wow, cool!
Sunday, January 27th, 2019 01:58 pm (UTC)
Ah, this looks like the next generation of those little 1980s dye capsules that would show color if there had been sharp accelerations.
Monday, January 28th, 2019 12:14 pm (UTC)
Yes! I admire/enjoy the cleverness and the practical use.