Category Archives: Energy

Bulletz

Posted on February 14, 2024 by gemmell

A societal change in the way we transport ourselves to and from places. Rather than a huge 2 ton monster, this is the size of a motorbike, fits one person lying down, and has no windows. It’s essentially a super … Continue reading →

Posted in Big Issues Discussion, Energy, Robotics | Leave a comment

Re-breather (Electrolysis)

Posted on November 4, 2023 by gemmell

Thinking on why we can’t breath under water, electrolysis produces hydrogen and oxygen. Surely with enough power we could simply live under water and pull oxygen from the water using electrolysis, and then sell green hydrogen (assuming we have a … Continue reading →

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Retractable Flyscreen Curtain

Posted on June 18, 2022 by gemmell

When you have tilt & turn double glazing you can get retractable flyscreens. Is it really too much to put a tiny plastic structure on top of these with a second layer of fabric to create a curtain? I imagine … Continue reading →

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Match Outside Light

Posted on May 14, 2022 by gemmell

This is a module that measures the colour and intensity of light hitting the roof and controls the colour and intensity of the lights in a room. I came up with a really great brand name and almost instantly forgot … Continue reading →

Posted in Electronics, Energy | Leave a comment

On Site Ammonia

Posted on January 27, 2021 by gemmell

Generate ammonia on a farm using solar power and water. New techniques for using low power plasmas for producing Ammonia are possible. This would allow a farmer to produce Ammonia at their farm instead of shipping it in. Ammonia can … Continue reading →

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Hydroponics using just energy and (sea?) water

Posted on July 1, 2020 by gemmell

So you can make Ammonia (NH3) by taking water molecules, splitting it into H2 and O2 via hydrolisisers, and then using a plasma (or the Haber Bosch technique) to combine the H2 with Nitrogen from the air to produce Ammonia … Continue reading →

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Phase Change For Heating Into The Night

Posted on May 1, 2020 by gemmell

With the ubiquitous solar on home rooftops, and the sunny days and cold sub zero winter nights, it seems to me that we want to have smart heaters that crank the heat up during the day to take advantage of … Continue reading →

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Desalination via alternating current

Posted on December 9, 2019 by gemmell

Water flows through a rectangular pipe with some electro magnets on the outside: electro magnet —————- ======>water====> —————- electro magnet If you turn on the magnets all the chlorine (and a bunch of water) would go to one side, and … Continue reading →

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Automated Hydrogen Generation Plants

Posted on October 15, 2019 by gemmell

I was super excited to see that hydrogen fuel cell cars were finally here. Cars with zero emissions, just water. And a fuel that can be produced using water and energy. And then I did some research and humanity disappointed … Continue reading →

Posted in Energy, Technology | 1 Comment