Uploaded May 2026 | Updated September 2026, 3 weeks ago

---

A power plant running on fusion would produce reliable energy with common fuels, manageable waste, and no direct carbon emissions.

But researchers have to solve some hard engineering problems before the first fusion power plants are plugged into the grid.

Subscribe to The Lever from Columbia Engineering to learn what it takes to build a star on Earth:: http://engineering.columbia.edu/the-lever/fusion