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Can somebody explain this video

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I've seen a few breaking videos here and there, but I've never seen Sparks come out on contact.

Just put a little flint between the bricks. You get sparks.

"It is impossible to make anything foolproof because fools are so ingenius."

It could have been flint. It could have been friction between the blocks.

I've seen that done before with flint, match heads, etc. Just simple flashy hollywood stuff.

.

The best victory is when the opponent surrenders

of its own accord before there are any actual

hostilities...It is best to win without fighting.

- Sun-tzu

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