Dominoes - Uranium Chain Reaction Project
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Uranium and Dominoes


A video showing a domino chain reaction

You can't really do an experiment using uranium, because it is radioactive and if you experimented with uranium it would make you sick or kill you. So to see how a chain reaction works, let's play with dominoes instead of uranium atoms - that will be safer.

Get a set of dominoes and stand them up on end in a row. They should be about half an inch apart. Now tip the first one over so it hits the next one. They should all knock each other over, one by one. That's a chain reaction. Now watch these guys in the video knock over 4000 dominoes in a row! Cool.

More about Uranium

Bibliography and further reading:

Uranium
Radioactivity
Nuclear Power
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Karen Carr is Associate Professor Emerita, Department of History, Portland State University. She holds a doctorate in Classical Art and Archaeology from the University of Michigan. Follow her on Instagram or Twitter, or buy her book, Vandals to Visigoths.
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