jtcohen

3 ms·

1.
by jtcohen 2y ago
Thank you very much !!! Really appreciate this :)
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by jtcohen 2y ago
Yes
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by jtcohen 2y ago
Safely handling tritium is fantastically more complicated that the fuel of a fission power plant - I disagree with this, especially when considering the infinitely long HLW with fission fuel. Handling Tritium isn't easy but it's m
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by jtcohen 2y ago
Lol - on it
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by jtcohen 2y ago
Thank you!
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by jtcohen 2y ago
Agreed!
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by jtcohen 2y ago
Nope, that's it! We do need vastly larger quantities though, on the order of a kilogram.
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by jtcohen 2y ago
Unlike what the nuclear Navy does today which is directly mechanically link the steam turbine to the propeller... we have the turbine spin a generator that creates a high voltage electric bus, which can than power a motor for propulsion. Bu
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by jtcohen 2y ago
The customers are interested, there's really no slam dunk other way to decarbonize the industry, it's a super hard (and expensive) problem.
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by jtcohen 2y ago
Exactly this !!
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by jtcohen 2y ago
Our device is larger than SPARC (~3m major radius) and less power (100MW fusion), hence the confidence in being able to solve the steady-state (repeated inductive pulses) engineering challenges. We won’t be the first to Q>1, I’m super ex
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by jtcohen 2y ago
Thank you! We're probably going to have to eventually use every engineering software in existence haha for CAD, mainly solidworks and CATIA, for EM Physics modeling: COMSOL. But most of the analysis is done with specialized plasma phys
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by jtcohen 2y ago
With fusion, there is no Uranium or Plutonium or highly radioactive materials. The main concern is Tritium which is a categorically reduced concern from enriched Uranium (but still needs to be secured and accounted for).
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by jtcohen 2y ago
Saw that this morning as well, it's awesome. I do think long term especially for grid applications stellarators could be great... note that their design is ~2.7GW I believe. We're talking gigantic traditional power plant size, whi
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by jtcohen 2y ago
Thank you! Household fission reactors: my take is that from a technical perspective we could definitely do it. It's more from a proliferation and nuclear waste perspective, will it be allowed and accepted by the public? Not sure, maybe
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by jtcohen 2y ago
We can get pretty far along! From magnetic system design, vacuum vessel, RF heating system, cryogenic system, tritium fueling, etc we can start making a ton of progress today. The main things we still need to learn that can influence the de
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by jtcohen 2y ago
True there would be other land based uses for a 25MWe fusion reactor, the thing is it will be quite expensive and hard to compete on $/kWh against other energy sources... it's easier to compete in maritime / there aren't
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Launch HN: Maritime Fusion (YC W25) – Fusion Reactors for Ships
216 points by jtcohen 2y ago|261 comments