Heat has immense power and there are thousands of ways in which we humans use it to benefit ourselves. From generating electricity to as simple as keeping our room hot and cosy in winters, heat does it all. Using heat for experiments is also a good way to keep the fun going. MrGear is such a you tube channel which is full of such fun to watch videos and here is one of them. In this video they do stuff with a red heated knife, chopping things like soap bar and coke bottle. And how it looks, you have to watch for it !
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