TV-PG
S15 • E24 Jul 24, 2008 44m8.3
At one time, it was more valuable than gold, but now it helps define modern life. In Modern Marvels: Aluminum we'll stretch it, pound it, melt it, and even make a foam from it. We'll see how aluminum is made from a powder and molted into massive 30,000 pounds ingots.
