The energy source that many believe will be the “Holy Grail” of energy sources is fusion. In theory, if we we can create a controlled fusion reaction here on Earth, then we will have an energy source that is as perpetual and abundant as the sun.
And although fusion research has had its difficulties over time, it turns out that a UK company might not be so far away from achieving that Holy Grail reaction, according to a very interesting video published by Reuters: