A Cup Sleeve That Expands When Hot Liquid Is Poured into the Cup - Neatorama

(YouTube Link)

Engineer Scott Amron has a clever invention. It's a heat sleeve for a cup that expands when hot liquid poured into is so that the drinker has additional protection from the heat.

Other Amron inventions that we've featured at Neatorama include a keyring/key, leather band-aids, and an art exhibit for which Amron plugged non-electrical objects into electrical appliances.

Link via Gizmodo

whatever they are using has also soaked through the cup....

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The trouble I see is that the reaction has to happen/finish quicker. The customer will not want to wait to pick up their drink.

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Am I right in guessing that this is less Earth-friendly that a regular paper sleeve?

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They will make an argument that this is somehow "greener" , and thats how things are going to play out from now on, with possibly the paper cup guy having to pay the new foam guy money for carbon credits.

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Another young person who can't grasp that if you're trying to sell an idea you don't plaster it with music that makes people dive for the off switch.
Came across another the other day - can't remember what for, though that may be a function of age rather than of being put off by the racket.

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That concept has STUPID written all over it.

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I think our best aproach is to accept hot fingers, wear it as a badge of honour.

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what is that entrancing song? anybody know?

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It's going to have to look less disgusting if people are going to have to carry it around and drink out of it.

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That just looks ridiculous. And I agree with the poster who said the music was obnoxious. I immediately hit mute.

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