| 1. | The fission reaction was sustained for hundreds of thousands of years.
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| 2. | Fission reaction at the second reactor was started on May 31.
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| 3. | Minimal " four-pound " experiments are fission reactions aborted in their first moments.
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| 4. | "That's equivalent to the slow-fission reaction in an out-of-control nuclear reactor.
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| 5. | He said the system shut down the fission reaction, which produces nuclear energy.
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| 6. | The high reactivity of fluorine traps most fission reaction byproducts.
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| 7. | The project abandoned fusion after concluding that it would require a fission reaction to detonate.
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| 8. | This U-238 fission reaction produces most of the energy in a typical two-stage thermonuclear weapon.
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| 9. | I don't understand where the original fission reaction starts.
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| 10. | The remaining neutrons either are absorbed in non-fission reactions or leave the system without being absorbed.
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