The city of Esbjerg, Denmark is replacing its coal fired city heating system with an amazing giant heat pump, biomass boilers and waste burning boilers. The refrigerant is CO2. Read the description. This is a long 43 minutes but is very comprehensive and interesting. The cost is about 40 million Euros.
Archive for the ‘Mechanical devices’ Category:
2024-03-08 Some Rube Goldberg Inventions That Could Make Some Cool Projects
Mostly wood. Short video. https://www.facebook.com/reel/1099537448068091?mibextid=9drbnH&s=yWDuG2&fs=e
2024-3-05 Boron Nitride Stores Hydrogen – Mechanochemical breakthrough – safe powdered hydrogen
This reminds me of Lavo, an Australian company that makes a hydrogen storage system. https://newatlas.com/energy/mechanochemical-breakthrough-unlocks-cheap-safe-powdered-hydrogen/
2024-01-02 AI Powered Weed Killing Robot
This is going to be greatly reducing the need for herbicides – weed killers, which are poisonous, not good for our food. Making for a better, greener world. ▶️ Watch this reelhttps://www.facebook.com/reel/3353248441633569?mibextid=zAoTV8&s=yWDuG2&fs=e
2023-12-08 Solar, Wind Myths Stall Fight Against Climate Change
Some of these Myths are ridiculous. More needs to be done to spread the truth at the local level. https://vitalsigns.edf.org/story/myths-about-solar-and-wind-could-stall-fight-against-climate-change?ub_tg=718&ub_tc=1&ub_o=26&ub_cta=4&ub_f=t&utm_source=facebook&utm_campaign=edf_vital-signs_pd_pmt&utm_medium=paid-social&utm_id=1701442776&aud=27
2023-12-07 Laser Weed Killer, Scarecrow, Bug Killer
These autonomous laser devices can be working in the fields around the clock. They could severely reduce the need for herbicides (weed killer chemicals), and insecticides which are also harmful to good insects and other animals and pollute the environment. It’s highly unlikely that a weed will become resistant to a Laser! They can be
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2023-11-25 Heliowing Freestanding Solar Canopy
This Heliowing solar canopy uses a single support pillar. https://www.yahoo.com/lifestyle/freestanding-solar-canopy-installed-less-150000790.html
2023-11-12 Knee High Bench Or Seat I Built
I made it out of an Ikea drawer that someone broke up and threw away. A little over 16″ high. The seat is the front of the drawer, about 9″ wide and 16″ long. Mostly a charcoal color. Took a few hours; I probably spent an hour finding the right pieces and pulling the screws
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2023-11-07 Elon Musk Is First To Get Rockets To Fly Backwards!
Elon Musk’s company, SpaceX is the first ever to get rockets to fly backwards!
2023-10-29 SpaceX Building Roberts Road Campus In Florida
This 26.5 min. YouTube video is overwhelming in the amount of activity that Spacex is doing to “Make the machines that make the rockets and launches”.
