The kids are all bikin’

...tails of biking in L.A. (hint–route choice!) and pitched the notion of changing our built environment to encourage walking and cycling. Here in Los Angeles, with the majority of bike commuters being poor folks of color, making our city more bikable is a civil rights issue. For an overview of the bike to work day festivities (which ironically, since they take place in the middle of a weekday, tend to involve mostly the self-employed or unemp...

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Build a Solar Dehydrator

Like many of you, I suspect, we’ve got a few too many tomatoes at this time of the year. One of our favorite ways to preserve our modest harvest is with our solar dehydrator. There’s nothing like the taste of sun dried tomatoes, but unless you live in a very dry desert climate like Phoenix, Arizona you can’t just set fruit out in the sun and expect it to do anything but go moldy. In most places in the world, including here in...

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Creating a Moon Garden

Believe it or not the photo above, a   San Diego Sunflower (Viguiera laciniata) shrub in full bloom, was shot under low light conditions long after sunset last night. The occasion was a lecture and walk led by Carol Bornstein, garden director at the Los Angeles County Natural History Museum. Bornstein’s talk used the Natural History Museum’s garden to demonstrate the many reasons why we should consider how our gardens look at night...

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A viewing suggestion from the media arm of Root Simple

I really enjoy learning about technologies that are basic enough that I feel like I can understand them–and maybe even replicate them. The technology of Tudor-era in England is by no means primitive, but it also is not as complex and machine-based as the tech which takes off in the 19th century and accelerates so quickly into the present era. I would be hard pressed to explain how anything around me works–from this machine I’...

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What laundry detergent should I use for greywater applications?

...the land is a bad idea? You don’t want to salt your garden. Those salts will build up in the soil and can cause salt burn on tree leaves. (This appears as leaves with browning tips, as if they’ve been sunburned.) It’s worth adding that the drier your climate, the saltier the soil, because there is not enough rain to help percolate it away–so if you live in a dry climate it’s even more important to be careful with sa...

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My Brand New Homebrew Soda Carbonator

Erik won the good husband award this Valentine’s Day. He surprised me with my very own soda making machine. This is not a SodaStream–it’s better. It’s an industrial strength CO2 tank topped with sturdy dials and valves and whatnot, all sourced from the local homebrew shop. He’s going to do a how-to post soon (tomorrow maybe?) on how to put together the parts, and how to use it. So hold on for those details! Right n...

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What the Internet Will Look Like After the Zombie Apocalypse

Enterprising amateur radio operators in Texas, over the past several years, have created a wireless high speed data network, called HSMM-MESH or Broadband-Hamnet, completely independent of the internet. The map above is the network built by HAMs in Austin, Texas. Basically it’s a bunch of hacked Linksys routers connecting wirelessly over a wide area. Plug a laptop into any of the routers and you can trade messages, files and live video ba...

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How to Keep Skunks Out of the Yard

Skunks love to dig up our vegetables in search of grubs. Our late Doberman used to enjoy late night backyard skunk hunting expeditions which never ended well for him. For years I’ve used bird netting to keep them out of my vegetable beds. The problem with bird netting is that it’s a pain to work with–it catches on things, tangles up, and occasionally traps a bird. I hate the stuff. It took me 16 years to realize that I could ex...

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Made in the shade- Passive cooling

...a to Long Island, and all the climate zones in between. Just stick an air conditioner on top, put in a heating unit, and you’re done. Sadly, most buildings are an energy efficiency disaster. Poor design is so prevalent, it is shocking once you know what to look for. Have you ever leaned up against a stucco or brick wall on a hot day? Ouch! You can literally burn your skin off. However, a passive building in the humid South, might feature c...

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The Energy Environment Simulator

Photo: Niklas Vollmer. Sometime in the mid-nineties I was thrift shopping in San Diego with my friend Niklas Vollmer. I can still remember the moment we stumbled on the Energy-Environment Simulator. We couldn’t stop laughing and we realized that we had to buy it. How often do you run into an Energy-Environment Simulator in working condition? t’s been the centerpiece of Nik’s living room ever since, even making a cross country m...

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