| 21. | The resulting explosion does not release fissionable material.
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| 22. | While 232 Th is not fissionable, it is 233 U using neutron capture.
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| 23. | In 2003 the last fissionable material was removed.
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| 24. | Consequently, uranium-238 is a fissionable material but not a fissile material.
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| 25. | The critical size must at least include enough fissionable material to reach critical mass.
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| 26. | All plutonium isotopes and other actinides, however, are fissionable with fast neutrons.
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| 27. | Would Washington invest billions of dollars to keep the fissionable material flowing out of Russia?
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| 28. | Less than 1 percent of the natural mix is uranium 235, which is fissionable.
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| 29. | Within two years, Iraqi oil production will finance purchase of fissionable material and missiles.
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| 30. | "It's not fissionable.
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