This Week in Startups Commonwealth Fusion Systems’ Bob Mumgaard on trying to solve climate change via nuclear fusion technology | E1171
Feb 6, 2021
Bob Mumgaard, a plasma physicist and CEO of Commonwealth Fusion Systems, dives into the revolutionary world of nuclear fusion. He discusses how fusion technology can provide a sustainable energy source to combat climate change, comparing it to traditional nuclear power. Mumgaard highlights recent advancements in fusion reactor design, challenging temperature and pressure hurdles, and innovative magnet technology. He also addresses the global race for fusion innovation and the crucial investment needed to transform this clean energy dream into reality, possibly powering cities in the near future.
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Fusion vs. Fission
- Nuclear fusion, which powers the sun, involves combining light elements to release vast energy.
- This differs from nuclear fission, used in current power plants, which splits heavy elements.
Fusion Energy Potential
- Historically, fusion reactions have consumed more energy than they produce, due to the immense heat required.
- However, fusion fuel offers vastly more energy than hydrocarbons, making it a desirable long-term energy source.
Fusion Stability
- Fears of fusion instability are exaggerated; the energy in a fusion reaction is comparable to boiling water.
- The challenge lies in maintaining the reaction, as it's akin to a candle in the wind, easily extinguished.