The food waste warriors
People Fixing the World
00:00
How to Turn a Fruit Juice Bottle Into a Bottle Cap
There's a bit of science going on in here. Hidden in the top half of the cap, under the label, there's some hard gell and that's the smooth side you felt. And then there's some activating fluid. When you twist the cap off the bottle, they'll start reacting with each other. So if i had a bottle of juice with this cap ona, how long would it last in the fridge once i've opened it? I visited salvega at her office in london, where she showed me how they put the cap together.
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