Here’s a really neat energy project: In this instructable, we describe how to build a photo-bioreactor that uses algae to convert carbon dioxide and sunlight into energy. The energy that is produced is in the form of algae biomass. The photo-bioreactor is built from plastic recycled water bottles. By using algae as a biofuel, we […]
This Instructable has a bunch of ideas for reusing plastic (PET) bottles. Some of them are obvious (a grain scoop and a parts bins), some are more novel (a mosquito trap and a plant coldframe). Above are biscuit/cookie cutter, a butter churn, an LED light bulb, and an electric fence insulator. Quick and easy homestead […]
The “Tweet-a-Watt, A twittering power meter” project that Limor Fried and I designed was selected as a “top 50” design for Greener Gadgets – if you like this project please vote for us. Last week we released the how-to, schematics and source – and have live charts! The response to this year’s Greener Gadgets Design […]
Anna at forty-two roads shares a tutorial for transforming a man’s button-down shirt into a cute art smock for a child. A perfect recycling project to keep your kiddo clean!
Lorina, a member of the Etsy NewNew Street Team, shares how to turn a t-shirt into a snazzy stretch book cover.
I blog about Mikey and Wendy’s projects very frequently because they’re doing so many cool things. One of the most impressive is their papercrete dome, which is now documented in this Instructable: When my girlfriend (Wendy Tremayne) and I arrived in southern New Mexico one of the first things we did was look around for […]
Here’s a how-to on building the “Auriga”, a portable electronic sensor box and cave surveying instrument with an electronic compass and serial output that can be cataloged using a computer or PDA. This particular build uses an old Palm PDA to collect the data. Check out the link below for parts list and details on […]
