#greenhacks

· 2w 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

Hackaday

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 …

13 @13@2137.social

· 1mo 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

Hackaday

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…

13 @13@2137.social

· 2mo ago

Use Your Head While Trimming Trees https://hackaday.com/2026/07/29/use-your-head-while-trimming-trees/ #Greenhacks #Bicycle #Bike #Helmet #Infrastructure #Landscaping #Stringtrimmer #Trimmer

Hackaday

Use Your Head While Trimming Trees

[Attoparsec] occasionally rides a bicycle for transportation, but with the major downside of doing this in North America, a place where bicycle infrastructure is generally neglected. From snow remo…

13 @13@2137.social

· 2mo 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

Hackaday

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…

13 @13@2137.social

· 2mo 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

Hackaday

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 …

13 @13@2137.social

· 3mo ago

Five Solar Air Heating Methods Tested https://hackaday.com/2026/07/04/five-solar-air-heating-methods-tested/ #Greenhacks #SolarHacks #Solarairheater #Solarpanel #Solarpower

Hackaday

Five Solar Air Heating Methods Tested

For as good as solar panels are at converting sunlight directly into usable electricity, especially for how cheap they’re becoming, they can still only gather around 20-30% of the energy that…

13 @13@2137.social

· 3mo 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

Hackaday

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…

13 @13@2137.social

· 7mo 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

Hackaday

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…

You've seen all posts