00:00As the spoon touches your tongue, metal contacts complete a circuit to the food
00:04and a tiny battery inside the handle sends a weak electric current
00:09running through the food and into your taste buds.
00:12This concentrates the salt signals right on your tongue
00:16so your taste buds send a stronger signal to your brain
00:19and this makes the food taste like it's been salted
00:22even though no extra salt was added!
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