Category Archives: green hacks

Liquid Air Energy Storage: A Power Grid Battery Using Regular Old Ambient Air

When you think of renewable energy, what comes to mind? We’d venture to guess that wind and solar are probably near the top of the list. And yes, wind and solar are great as long as the winds are favorable and the sun is shining. But what about all those …read more

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Posted in cryogenic energy storage, electricity grid, energy battery, Engineering, Featured, green hacks, liquid air, liquid air battery, liquid air energy storage, news, Original Art, renewable energy, turbine | Leave a comment

Tend Your Garden… Again

In the early 1940s, several countries saw an incredible shift in agriculture. What were called “victory gardens” were being planted en masse by people from all walks of life, encouraged by various national governments around the world. Millions of these small home gardens sprang up to help reduce the price …read more

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Posted in cooking hacks, Featured, food, garden, gardening, green hacks, Interest, Original Art, produce, victory garden | Leave a comment

3D-Printing Bigger Wind Turbines

Many decades ago, a much younger version of me was in the car with my dad and my brother, cruising down the highway on some errand or another. We were probably all in the front seat, and none of us were wearing seatbelts; those were simpler times. As we passed …read more

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Posted in 3d printed concrete, 3d Printer hacks, Engineering, Featured, green hacks, wind farm, Wind turbine | Leave a comment

Open Agriculture Initiative Shuttered Amid Scandal

The MIT Media Lab’s Open Agriculture Initiative (OpenAg) promised to revolutionize urban farming with their Food Computers: essentially miniature automated gardens that could be installed in racks to maximize growing space. Each unit would be provided with a “Recipe” that allowed it to maintain the ideal environmental conditions for the …read more

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Posted in agriculture, farming, green hacks, mit, mit media lab, news, OpenAg | Leave a comment

Turn Folds Into Flowers, But Not With Origami

It is said that you’re not a sysadmin if you haven’t warmed up a sandwich on server. OK, it’s not widely said; we made it up, and only said it once, coincidentally enough after heating up a sandwich on a server. But we stand by the central thesis: never let …read more

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Posted in fh, flower, folding, folding@home, green hacks, greenhouse, heat, plant, sprout, Thermal | Leave a comment

Giving Surfaces Their Own Antiviral Coating To Fight Infection

The use of disinfectants is not a new thing, but a major disadvantage with most common disinfectants is that they are only effective in the short term. After applying bleach, alcohol or other disinfectant to the surface, the disinfectant’s effect quickly fades as the liquid evaporates. Ideally the disinfectant would …read more

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Posted in antimicrobial, disinfectant, green hacks, hkust, map-1, news, science | Leave a comment

Coffee Maker Gives Plants an Automatic Drip

Somehow, [Jeremy S   Cook]’s wife was able to keep a Keurig machine going for 10 years before it quit slinging caffeine. [Jeremy] got it going again, but decided to buy a new one when he saw how it was inside from a decade of water deposits.

But why throw the …read more

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Posted in automatic plant watering, green hacks, Raspberry Pi, Raspberry Pi Zero W, soil moisture sensor | Leave a comment

An Arduino-Free Automatic Alcohol Administrator

With all the hands-free dispenser designs cropping up out there, the maker world could potentially be headed for an Arduino shortage. We say that in jest, but it’s far too easy to use an Arduino to prototype a design and then just leave it there doing all the work, even …read more

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Posted in airline tubing, dispenser, green hacks, IR proximity sensor, lifehacks, lockdown life, misc hacks, submersible pump, transistor | Leave a comment

Microbatteries On The Grid

Not everybody has $6500 to toss into a Tesla Powerwall (and that’s a low estimate), but if you want the benefits of battery storage for your house, [Matt]’s modular “microbattery” storage system might be right up your alley. With a build-as-you-go model, virtually any battery can be placed on the …read more

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Posted in battery, green hacks, grid, microinverter, modular, Raspberry Pi, solar, storage | Leave a comment

Homemade N95 Masks In A Time of Shortage

Due to the worldwide pandemic of COVID-19, there has been a huge shortage of N95 masks. [] from Smart Air has been working on designs for a DIY N95 mask that may be able to protect those who haven’t been able to secure their own masks. While …read more

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Posted in Covid-19, green hacks, health, N95 mask | Leave a comment