Sand sticks together, it stops bullets better. Why? Because it can't be kicked out of the way as quickly or as easily.
Sand sticks together, it stops bullets better. Why? Because it can't be kicked out of the way as quickly or as easily.
Now what if we developed some type of sand or powder which turns into a mud when wet and dries to be as hard as stone? We could call it concrete or something.
Now what if we developed some type of sand or powder which turns into a mud when wet and dries to be as hard as stone? We could call it concrete or something.
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