Amazon’s new Alexa feature uses AI to infer what users really want

I was surprised to find that it was very hot to the touch.

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with a built-in battery that doesnt require an external power source.

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The Phase Change Material (PCM) is a mixture of fatty acids and organic compounds and could one day provide.This is one reason why snow doesnt suddenly all melt at once on an unseasonably warm day and why ice cubes cool drinks better than dropping in stainless steel cubes kept in the freezer.

MIT scientists are developing a new chemical composite material that can absorb heat from the sun or other sources.PCMs interest scientists and engineers for their wide range of potential applications as they can absorb or release large amounts of heat when changing from a solid to liquid state.