How It's Made is a great show on Discovery's Science Channel. This segment takes a look at the making of a city bus. You might be familiar with a regular car assembly line but making a bus is a little different. The part I found most interesting is the installation of air tanks. That strange sound you hear when a bus door opens is actually compressed air being released.

In this segment, How It's Made takes a look at the production of a lithium battery for an electric car. The coolest part of that video is the spraying on of molten metal. The electric car in the video looks like Th!nk's but I might be wrong. How It's Made has also taken taken a look at the making asphalt, which is made from oil. Many people know gas is made from oil but are surprised to learn things like plastics and asphalt are made from oil as well.

[Source: Youtube]

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