The Final Barrier to Nearly Infinite Energy – Fusion’s Big Challenge

Fusion energy has been “50 years away” for decades—but new breakthroughs are bringing us closer. In this deep dive, PBS Space Time explores the last major obstacle: how to confine superheated plasma like a mini star without destroying the reactor itself.

Discover:

⭐ Why building a structure to hold plasma at tens of millions °C is the hardest engineering puzzle

🌀 The two main confinement methods: magnetic (tokamak & stellarator) vs **inertial (laser/NIF)**

🛡️ Material limits: dealing with neutron damage, heat, erosion, and plasma-wall interactions

🔬 Why ITER, Wendelstein 7‑X, and private fusion startups are racing to solve it

🧩 How solving this might finally unlock nearly unlimited clean energy

👉 Follow for more cutting-edge science and energy breakthroughs!

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