There are a lot of ways to get around in space, from using plain old sunlight to making super-hot plasma. We’ve talked about a lot of propulsion methods over the years, and now, it’s time for some highlights!

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This video discusses the uses of polymers and their properties. The presenter explains how different monomers with functional groups are used to create different types of polymers. The properties of each type of polymer are discussed...

Frying french fries in a pan. Domestic kitchen

High speed oil falling on to surface of frying pan

Frying french fries in a pan. Domestic kitchen