Ep 23. Aluminum
- TV-14
- July 25, 2007
- 43 min
-
(17)
Aluminum is the title of the 23rd episode of season 14 of Modern Marvels. The episode is a fascinating exploration of the history, production, and uses of aluminum, a metal that has revolutionized manufacturing and modern life.
The episode begins with an overview of the history of aluminum, including its discovery in the early 19th century by Sir Humphry Davy and its initial rarity and high cost. Viewers learn how the discovery of the Hall-Héroult process in the late 19th century made aluminum production more efficient, leading to a boom in the use of the metal in construction, transportation, and consumer goods.
The episode then moves on to explore the modern process of aluminum production, which relies on the extraction of aluminum ore from bauxite using a series of chemical reactions and refining processes. Viewers learn how aluminum smelting plants use large amounts of electricity to transform aluminum oxide into liquid aluminum, which is then poured into molds and cooled to create ingots.
The episode also delves into the wide range of applications of aluminum in modern manufacturing, including its use in airplanes, cars, and bicycles due to its strength and light weight. Viewers are given a behind-the-scenes look at the production of aluminum airplane parts and the engineering required to create lightweight, yet durable, bicycle frames.
In addition to its use in transportation, aluminum is also used in a wide range of consumer products, from soda cans to computer components. The episode explores the unique properties of aluminum that make it an ideal material for these types of products, including its ability to be molded into complex shapes, its corrosion resistance, and its ability to conduct heat and electricity.
Throughout the episode, viewers are introduced to experts in the field of aluminum production and engineering who offer insights into the challenges and opportunities of working with this versatile metal. The episode also features plenty of fascinating facts and trivia about aluminum, including its role in the construction of the Statue of Liberty and its use in NASA's space program.
Overall, Aluminum is a fascinating exploration of one of the most important metals in modern manufacturing and industry. From its history to its production to its wide range of uses, this episode of Modern Marvels offers a comprehensive look at the many facets of aluminum and its impact on our daily lives.