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A comment on US startup begins producing 40%-efficient thermophotovoltaic cells. Parent comment

Re:US startup begins producing 40%-efficient thermophotovolt... by bluGill on Thursday October 05, 2023 @03:32PM (#37783186)
In most houses the HVAC and water heater are the only devices that the user can accept not being in full control. Everything else is like the kettle: when you turn it on you want it on now.
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