4. Fusion
-Involver the release of energy from fusing of light nuclei is deuterium and Tritium into heavier nuclei is helium
- A large of energy is required to initiate fusion, to raise the KE of the light nuclei to overcome the repulsion forces.
- Tokamak power Reactor to be built is the International Thermonuclear Engineering Test Reactor with USA, Japan, Russian, EU; lost for design, material and construction is USD 7 billion.
However, research has continued with more thorough better instrumented experiments.
Results have been mixed and not always repeatable; however, excess heat, neutrons, tritium and protons have been observed although not always in the same experiment.