One of the Largest Challenges Scientists Are Attempting to Resolve Within Renewable Energies, the Volume of Water Required to Provide San Francisco, United States of America With Thermonuclear Fusion (Hydrogen Fusion) Electrical Energy for 24 Hours, the Difficulty Scientists Have Experienced Whilst Attempting to Produce a Thermonuclear Fusion Reactor (Artificial Sun), the Reason the Sun is Capable of Sustaining Continual Thermonuclear Fusion Production and Scientists Have Been Unable to Achieve This Same Result, How Controlled Thermonuclear Fusion Works, How Scientists Produce Controlled Thermonuclear Fusion, the Problem of Producing and Sustaining Thermonuclear Fusion (Hydrogen Fusion) for Scientists, the Scientific Breakthrough Which Made Thermonuclear Fusion Possible/Plausible, and Mechanical Engineering Problem of Developing the Technology for Thermonuclear Fusion