Physics

Going To Space Is Tough Because We Owe The Universe Big Time

Have you ever stopped to think about how incredibly hard it is to leave our planet? We didn't even have the technology to do it until the mid-20th century, and even now the jaw-dropping amount of resources—even the fuel alone—to blast into space takes up a not-inconsequential portion of a government's budget. Why? It's because we're trapped in an energy prison. Find out what that means in the video below.

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Why Earth Is A Prison and How To Escape It

If energy is currency, we're in debt.

How To Go To Space (In Basic Language)

With the help of XKCD, MinutePhysics explains how rockets blast into space using only the 1,000 most common words in the English language.

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Key Facts In This Video

  1. Rockets often have several parts that release fuel, and that can detach when empty. 00:49

  2. Landing capsules holding astronauts have especially thick sides so that they don't burn up when they enter Earth's atmosphere. 01:14

  3. Astronauts go through years of rigorous training, and must be in good health before they can go to space. 01:45

How Do We Launch Rockets?

Explore the physics of a rocket launch.

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