TestTube 101

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  • How Do We Launch Satellites Into Space?

    Most satellites are launched into space on rockets. A satellite orbits Earth when its speed is balanced by the pull of Earth's gravity.

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  • Flying At Hypersonic Speeds

    We've got the power to reach incredible speeds and we're only limited by our own designs. What does it take to go hypersonic?

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  • How Do We Launch Space Rockets?

    Escaping Earth's gravitational pull isn't all that easy. NASA's shuttle uses over 800,000 gallons of fuel to achieve "escape velocity."

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  • How Do Radars Work?

    Radar is an object-detection system that uses radio waves to determine the range, angle, or velocity of objects. But how?

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  • How Does Night Vision Technology Work?

    Night Vision technology has evolved drastically over the years. How capable are we at seeing in the dark now?

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  • What Does Zero Gravity Do To Your Body?

    Weightlessness looks incredibly fun but some strange things happen to your body in Zero G limiting our ability to float around forever....

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  • How Do We Hear In 3D?

    How does your brain differentiate where a sound is coming from in a three dimensional space? It's actually pretty crazy.

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  • How Does GPS Work?

    At any given time there are 3 or more satellites in space pinpointing your very position. The accuracy of your location on Earth is crazy!

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  • How Do Parachutes Work?

    When you're falling from the sky at terminal velocity there is only one thing that will save you. Air resistance. Wait, what?

    TestTube 101

  • How Does A Stealth Plane Work?

    We've all seen those majestic flying machines cruising through the air but do you understand exactly how the technology in them works?

    TestTube 101