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Episode 6: When heated, sodium emits energy via visible light at 2.1eV (or 589 nm wavelength). So, if you make an engine that heats up sodium, you can tune a solar cell to exactly that frequency and capture light efficiently — giving you the portability of a battery with the energy density of hydrocarbons.

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(00:00 ) - Intro
(00:32 ) - Danielle’s Background
(04:40 ) - Early Interest in Energy and Fusion Research
(08:14 ) - Leaving Academia to Become an Entrepreneur
(11:40 ) - Starting LightSail and Innovating in Compressed Air Energy Storage
(15:35 ) - Reflecting on LightSail and Compressed Air Energy Storage
(19:48 ) - Limitations of Batteries, Engines, and Fuel Cells
(22:30 ) - The Vision for Portable, Energy-Dense Power Generation
(27:16 ) - Rethinking Combustion and Light Generation for Compact Power
(31:56 ) - How the New Power Generation Process Works
(37:58 ) - Managing High Temperatures and System Components
(42:26 ) - Recirculating Heat for Higher Efficiency
(48:38 ) - Theoretical Limits and Practical Challenges
(52:50 ) - Engineering Solutions to Minimize Losses
(58:32 ) - The Experimental Approach to Rapid Learning
(01:02:54 ) - Balancing Exploratory Work with Systematic Testing
(01:07:40 ) - Developing the Craftsmanship of Research
(01:11:15 ) - Managing Company Priorities while Preserving Creativity
(01:15:18 ) - Advice for Learning and Advancing Technology
(01:18:36 ) - Building Real Projects and Sharing Knowledge
(01:22:10 ) - Conclusion

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Links:
Christian Keil – https://twitter.com/pronounced_kyle
Danielle Fong – https://twitter.com/DanielleFong
Lightcell Energy – https://www.lightcellenergy.com/

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Production and marketing by The Deep View (https://thedeepview.co). For inquiries about sponsoring the podcast, email team@firstprinciples.fm

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