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The machines, which contain about 300 bottles and cans of soft drinks and 150 emergency food items, including nutritional supplements, have been installed near buildings that have been designated as evacuation shelters.

They are designed to “unlock” and make their contents available free of charge in the event of a heavy rain warning, or an evacuation order after a quake of an upper five or higher on the Japanese seismic intensity scale of seven, according to the Mainichi Shimbun.

>The machines, which contain about 300 bottles and cans of soft drinks and 150 emergency food items, including nutritional supplements, have been installed near buildings that have been designated as evacuation shelters. They are designed to “unlock” and make their contents available free of charge in the event of a heavy rain warning, or an evacuation order after a quake of an upper five or higher on the Japanese seismic intensity scale of seven, according to the Mainichi Shimbun.

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[–] • 3 pts

Can they be "unlocked" without power and or internet? A shallow quake > 5 will most likely knock out the power.

[–] • 0 pt

If I were going to do this, I'd have some sort of redundant system that, if the device loses main power and/or can't contact home over a wired and cellular connection, it just auto-unlocks everything.

[–] • 1 pt

How would they secure it? This machine sounds good in theory, but to me it seems like there are too many possible vulnerabilities and points of failure.

[–] • 2 pts

Once it's open, it's open so there's no need to secure it.

But yes, it would have to have multiple points of contact with whatever tells it to open. I'd guess it's probably told to open by home base in X time units unless cancelled.

[–] • 2 pts

They are 99.99% pure Japanese and are a very polite and clean people. They could unlock it completely and people would just deposit their money into the coin box inside to pay for the items even if nobody was looking.