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Jumping Can


When the buttons light up, press either ‘Recycle can’ or ‘Make a new can’. Turn the handle until the ring fires. Which can takes the least effort to fire?

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It takes fewer turns of the handle to generate enough power to fire the can when the ‘Recycle can’ button is pressed than when the ‘Make a new can’ button is pressed (approximately 12 turns compared to 80). This shows how much more energy is needed to create a new can than to recycle used ones.

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Look Closer

Welcome to Look Closer, Techniquest's brand new digital tool. We're trialling Look Closer as a way of offering you a closer look at the science demonstrated by many of our exhibits. You'll find visitor sheets, videos, articles on contemporary science as well as fun trails to navigate your way around the exhibition space.

Speak to our Science Communicators to find out more.