Assertion: hydrogen's energy | /r/HasProperty | 17.6 mevneutrons
Facets:
Source sentences:
text: The fuel undergoing the fusion reaction emits a large flux of high energy (17.6 MeV) neutrons, which irradiates the U-238 tamper (or the U-238 bomb casing), causing it to undergo a fast fission reaction, providing about half of the total energy.