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I just learned how the Duracell Powercheck© worked, which was done with temperature.

https://youtu.be/zsA3X40nz9w?si=oGg2wdUlLXSDxpsN


That's so cool. You don't happen to have any photos your family took, do you?

I'm a little younger, and Tomorrowland at Disney was that for me.


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