<Tr> <Td> Am - 241 </Td> <Td> 600.4 barn </Td> <Td> 1 (non-fissile) </Td> <Td> 0.2299 microbarn </Td> <Td> 21 </Td> </Tr> <Tr> <Td> Am - 242m </Td> <Td> 6409 barn </Td> <Td> 75 </Td> <Td> 2.550 barn </Td> <Td> 94 </Td> </Tr> <Tr> <Td> Am - 243 </Td> <Td> 0.1161 barn </Td> <Td> 1 (non-fissile) </Td> <Td> 2.140 barn </Td> <Td> 23 </Td> </Tr> <Tr> <Td> Cm - 242 </Td> <Td> 5.064 barn </Td> <Td> 1 (non-fissile) </Td> <Td> 2.907 barn </Td> <Td> 10 </Td> </Tr>

Terrapower breeds fuel into u-233 so that it can undergo fission