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Brass instrument dent work is a delicate and highly skilled profession that should only be attempted by a trained technician.

What happens when liquid nitrogen and liquid oxygen are exposed to a strong magnetic field? [Closed Captioned]

Some pennies are mostly copper and some pennies are mostly zinc. What happens to the different materials when they are cooled with liquid nitrogen ...

At room temperature, pewter is a soft metal that is easily formed into new shapes. All of that changes once it's cooled with liquid nitrogen!