Beyondward postade: "How close are we to fusion energy and an unlimited supply of clean energy? Fusion energy..."

How close are we to fusion energy and an unlimited supply of clean energy?

Fusion energy has always been a few decades out - but lately a shift has happened. Over the past few years, investments have been exploding in the field, technical breakthroughs have been made, and other technologies are making new progress possible.

How would an unlimited supply of clean energy fundamentally change our world and the possibilities around us?