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      CommentAuthorTrim
    • CommentTimeJul 4th 2019
     
    MIT aerogel captures solar heat for domestic and industrial applications.

    https://www.theengineer.co.uk/mit-aerogel-captures-solar-heat/
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    • CommentTimeJul 4th 2019
     
    Applying pressure is way toward generating more electricity from waste heat.

    https://revolution-green.com/applying-pressure-way-toward-generating-electricity-waste-heat/
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    • CommentTimeJul 9th 2019
     
    Window film has potential to even out solar heating.

    https://www.theengineer.co.uk/window-film-solar-heating/
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    • CommentTimeAug 6th 2019
     
    Roadmap to Over 50% Heat to Electricity for Cars, Drones and Space Probes.

    https://www.nextbigfuture.com/2019/08/roadmap-to-over-50-heat-to-electricity-for-cars-drones-and-space-probes.html
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    Space cars and probe drones.
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    • CommentTimeSep 13th 2019
     
    Low-cost device generates electricity using natural cooling phenomenon.

    https://www.technology.org/2019/09/13/low-cost-device-generates-electricity-using-natural-cooling-phenomenon/
    • CommentAuthorAsterix
    • CommentTimeSep 13th 2019 edited
     
    “This effect occurs naturally all the time, especially on clear nights,”


    So not so much when it's overcast or raining. Probably not so much if you live in an area with high atmospheric pollution.

    The device generated up to 25 milliwatts per square meter, enough to power a single LED light bulb.


    I didn't see any numbers on how the effect performs over the period of a single night--I suspect that the power output declines as the gizmo cools.

    Well, it's interesting...
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    • CommentTimeSep 13th 2019
     
    Best for deserts.
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    • CommentTimeSep 13th 2019
     
    Paramagnetic Spins Take Electrons for a Ride, Produce Electricity from Heat.

    https://revolution-green.com/paramagnetic-spins-take-electrons-ride-produce-electricity-heat/
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    • CommentTimeSep 13th 2019
     
    Prototype of a high-temperature heat pump for recovering industrial waste heat.

    https://revolution-green.com/prototype-high-temperature-heat-pump-recovering-industrial-waste-heat/
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    • CommentTimeSep 21st 2019
     
    Researchers build a quantum dot energy harvester.

    https://phys.org/news/2019-09-quantum-dot-energy-harvester.html
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    • CommentTimeOct 4th 2019
     
    Combining spintronics and quantum thermodynamics to harvest energy at room temperature.

    https://phys.org/news/2019-10-combining-spintronics-quantum-thermodynamics-harvest.html
    • CommentAuthorAsterix
    • CommentTimeOct 4th 2019
     
    I like the first comment:

    The only thing standing in the way appears to be thermodynamics and conservation of energy
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      CommentAuthorAngus
    • CommentTimeOct 4th 2019
     
    That's just engineering.
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    • CommentTimeOct 10th 2019
     
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    • CommentTimeOct 10th 2019
     
    Electronic solid could reduce carbon emissions in fridges and air conditioners.

    https://phys.org/news/2019-10-electronic-solid-carbon-emissions-fridges.html
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    • CommentTimeNov 15th 2019
     
    New Material Breaks World Record Turning Heat into Electricity.

    https://revolution-green.com/new-material-breaks-world-record-turning-heat-electricity/
    • CommentAuthorAsterix
    • CommentTimeNov 15th 2019
     
    Posted By: TrimElectronic solid could reduce carbon emissions in fridges and air conditioners.

    https://phys.org/news/2019-10-electronic-solid-carbon-emissions-fridges.html


    That's a big leap. The developers are talking about the possibility of replacement in magnetic refrigeration; i.e., very low temperatures.

    Thermoelectric coolers are notoriously inefficient.
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    • CommentTimeNov 21st 2019