Drew writes – “A father and son at the middle school I teach at sent me this email: “I’m sure you will love this! My son & I built a birdhouse recently and installed a webcam inside it. In the last few days, we have had the absolutely thrilling experience of watching a couple of […]
Our pals at Popular Science have a write up of a low cost way to do your own cell phone tracking – “…Jen, is tracking me. Using a $100 kit from Mologogo (with a $6-a-month data plan), I’ve turned a prepaid cellphone into a GPS tracking device. Every few minutes, the phone transmits my location […]
Arwen writes – “People have been coloring eggs to celebrate spring for literally thousands of years, starting with those cultured Persians. The practice has become ever more complicated as it spread around the world, with everything from stickers and tie-dye in the U.S. to marbling and elaborate wax drawing in parts of Europe and Russia. […]
Rob writes – “One of the simplest forms of an engine is known as a Hero’s engine. A Hero’s engine uses heat from a fire to create steam. That steam is then forced to exit through a pipe or jet, which causes the entire apparatus to spin. I did a little research and found that […]
David writes – “Saw the satellite dish gazibo and thought you’d like my treehouse with dish roof. We built this treehouse entirely from recycled materials, including the 10 foot diameter fibreglass dish as a dome roof. The cool, and unexpected, benefit of this design is that the bed is below the dish, and our heads […]
Robotdreams writes – Filip Verhaeghe, the publisher of the bnxt.com weblog, just posted a detailed article including photos and videos that documents how the popular GUPI, robot guinea pig was originally developed. Filip was one of the key developers on the project, and explains a lot of the design trade-offs and issues they encountered. He’s […]
These little speakers, woofers, are headless dogs with speakers mounted inside of them. I wouldn’t really buy these, but it’s a neat idea if you happen to spot a couple pair of ceramic/plastic dogs at a thrift shop or garage sale and want to make your own… [via] – Link.
