Quote:
Originally Posted by tsofian
If the Project uses hot fusion there will be need for a lot of thermal shielding, but if they are using cold fusion not so much. If you are worried about the heavy water then almost no shielding is needed. Tritium is a very weak Beta emitter. In fact exit signs have used Tritium for years. The weak Beta could be stopped by nothing more than a 3/4 inch thickness of plexiglass.
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I beg to differ on this. A D-D reaction produces fast neutrons that would be fatal without shielding at power levels of just 1 Watt. It does not matter if we are talking hot or cold fusion. All that means it the temperatures needed to start the reaction. The products are still the same. Tritium decay is not my major problem about the shielding needed.