Portable cooking mat
This is a good idea, but there are certain problems with it. First up it is classed as being portable, which is because it can be moved around quite easily. However, the being portable would mean that it could be used in the car or while out camping, but no that does not work because it needs mains power.
The point is that this is a genuine three ring cooker, that would actually allow the user to cook real food because it has a temperature range from -60c to 280c. The “Cooka” as it called can be treated roughly too, which is a great idea as if it was to be used in different circumstances.
Source [Coolest Gadgets]
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