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8 posts · Last used Sep 22

13 @13@2137.social
· 1mo ago
Dumpster-dived Window A/C becomes Ground-Source Heat Pump https://hackaday.com/2026/09/22/dumpster-dived-window-a-c-becomes-ground-source-heat-pump/ #Greenhacks #Homehacks #Airconditioner #Groundsourceheatpump #Heatpump #Plc
Dumpster-dived Window A/C Becomes Ground-Source Heat Pump
hackaday.com

Dumpster-dived Window A/C Becomes Ground-Source Heat Pump

Heat pumps are great, because they pump heat around, and we often don’t want heat where it is. Need it somewhere else? Pump it! It’s great. It’s also a bit pricey if you’re …

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13 @13@2137.social
· 3mo ago
High-Density Parchment Paper Papertronics with Laser-Carved Hydrophilic Channels https://hackaday.com/2026/08/08/high-density-parchment-paper-papertronics-with-laser-carved-hydrophilic-channels/ #Greenhacks #Science #Conductivepolymer #Papertronics
High-Density Parchment Paper Papertronics With Laser-Carved Hydrophilic Channels
hackaday.com

High-Density Parchment Paper Papertronics With Laser-Carved Hydrophilic Channels

Paper as a substrate for electronic circuits is not very common, but promising for flexible circuits with low cost and easy recyclability. That said, paper is not an easy material to work with when…

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13 @13@2137.social
· 3mo ago
Keeping Mosquitoes Away with Catnip-Based Repellent https://hackaday.com/2026/07/24/keeping-mosquitoes-away-with-catnip-based-repellent/ #Greenhacks #Bugrepellent #Insectrepellent #Mosquito #Mosquitorepellent #Pesticide
Keeping Mosquitoes Away With Catnip-Based Repellent
hackaday.com

Keeping Mosquitoes Away With Catnip-Based Repellent

Despite their small size, mosquitoes are one of the deadliest creatures on Earth, and keeping them away from you is one of the best ways to stay safe. DEET has been the mainstay of insect repellent…

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13 @13@2137.social
· 3mo ago
Recycling Laptops and iMacs Makes PC Building Fun and Affordable Again https://hackaday.com/2026/07/19/recycling-laptops-and-imacs-makes-pc-building-fun-and-affordable-again/ #Greenhacks #Ewaste #Imac #Laptop #Pccase #Recycling
Recycling Laptops And IMacs Makes PC Building Fun And Affordable Again
hackaday.com

Recycling Laptops And IMacs Makes PC Building Fun And Affordable Again

Building a PC used to be a fun adventure — what’s the latest, what’s the greatest, what can I afford? Well, that last question seems to have taken over and sucked all the fun out …

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13 @13@2137.social
· 4mo ago
From Sugar to Ethanol Fuel With a Little Microbial Help https://hackaday.com/2026/06/30/from-sugar-to-ethanol-fuel-with-a-little-microbial-help/ #Greenhacks #Science #Bioethanol #Ethanol #Yeast
From Sugar To Ethanol Fuel With A Little Microbial Help
hackaday.com

From Sugar To Ethanol Fuel With A Little Microbial Help

In these trying times it seems appropriate to work through some ‘what if ‘ scenarios, such as the local gas station suddenly not having any more gasoline to sell you, or said gas statio…

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13 @13@2137.social
· 8mo ago
Wind Power Is Taking Off In China– All The Way to 2000 m AGL https://hackaday.com/2026/02/26/wind-power-is-taking-off-in-china-all-the-way-to-2000-m-agl/ #Greenhacks #News #Aerostat #Windpower #Windturbine
Wind Power Is Taking Off In China– All The Way To 2000 M AGL
hackaday.com

Wind Power Is Taking Off In China– All The Way To 2000 M AGL

2000 m above ground level (AGL), winds are stronger and much, much more consistent than they are at surface. Even if the Earth were a perfect sphere, there’d be a sluggish boundry layer at th…

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