Have you ever wondered how roller skates are made? Learn more with Science Channel's "How It's Made."

Surgical rubber gloves were first implemented at Johns Hopkins Hospital. Watch this video to see how rubber gloves are made.

Rock salt is used on icy roads to lower the ice's melting point and clear the surface for traffic. So how is it made?

Ever wonder how Audi makes their sleek, stylish and green cars? Find out now!

These soap carvings are far too delicate to be used on scrubbing duty. Check out how these beautiful sculptures are created.

Find out how sparklers get their sizzle on this clip from Science Channel's "How It's Made."

Science Channel's "How It's Made" hits the nail on the head as it explores how hammers are manufactured.

Millefiori is Italian for a thousand flowers. It's also an accurate title for this elaborate method of glass making.

Car doors have come a long way over the last century. Today, they are smaller, stronger and even contain electronic gadgetry.

Prehistoric man created colorful dyes with a mix of dirt and animal fat. How is pigment made today?

This clip from Science Channel's "How It's Made" illustrates how milk is transformed into Swiss cheese.

This clip from The Science Channel's "How It's Made," gives veiwers a closer look at how binoculars keep everything in focus.

See how molten metal and a forging hammer are used to create the straight razor.

Cast iron cookware is known for its ability to absorb and retain heat and distribute it evenly. What's the difference between raw and enameled cast iron cookware?

Bio diesel is a more eco-friendly diesel fuel that's made from vegetable oil or animal fat and does not require any petroleum to produce.

Nut crackers aren't just functional devices. They're also a favorite holiday decoration! Find out how nut crackers are made.