For decades, humanity has dreamed of a source of energy that is limitless, clean, and safe. What if the answer isn't buried in the ground, but shining in the sky? What if we could build a miniature sun right here on Earth?

In this episode of Window to the Future, we dive into the world of Nuclear Fusion—the "Holy Grail" of energy. We explore how scientists are attempting to replicate the power of the stars by heating matter to 150 million degrees Celsius and trapping it in giant magnetic machines.