Month: May 2012

Bacteria Battery from MAKE Volume 30

How-To: Bacteria Battery

Did you know you can generate electricity from the “metal-breathing” anaerobic bacteria found in ordinary mud? Having no oxygen to breathe, these bacteria produce energy for their growth by transferring electrons to clumps of rust and other metal oxides, in a process called dissimilatory metal reduction. Dr. Ashley Franks, director of K–12 outreach at the […]

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Turning Stolen Joules Into Shining Jewels With Weekend Projects

Turning Stolen Joules Into Shining Jewels With Weekend Projects

Our latest Weekend Project is both fashionable and fun. Combine a solar battery with a “joule thief” and make a Solar Joule Bracelet!

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How-To: Handlebars Bike Hanger

How-To: Handlebars Bike Hanger

Cool, simple tutorial from one Kyle Wilson. Ingredients: One set drop-style handlebars, one matching quill stem, a short pipe nipple to match, a pipe flange, a few screws, and some bar-tape and -ends (or their improvised equivalents).

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Lego Mario Bros Aquarium

Lego Mario Bros Aquarium

Redditor jennyleighb’s roommate built a seascape from Lego with a Super Mario Bros. theme. I’m not sure how much the fish appreciate it, but this is definitely the most geek-tastic fish tank I’ve ever seen.

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