Disclaimer: I haven’t tried this, I don’t think it’s a gimmick, but it’s something that’s on my wishlist to try regardless. Won’t charge much more than a phone, and probably not even that well, but if I have my emergency back up dumb phone on me plus this sucker, I can always call out for help so long as I’ve got the reception to. Even if I forgot to charge my emergency phone. Nice idea.
Freeze-dried food is nothing new. As early as the 13th century, the ancient Quechua and Aymara people of Bolivia and Peru pioneered a form of the process by exposing potatoes to the freezing temperatures of the Andes overnight, then drying them in the sun. In 1937, Nestlé used industrial technology to create the world’s first freeze-dried coffee, and in the 60s and 70s, the US military shipped freeze-dried food rations to the troops in Vietnam.
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