Auto gadget says “thank you”
This is nice, the little sign thanks you when you drive nicely… Popular Science 1934 – Link. Times have changed… sorta – DIY Automotive messages book – Link. LED car messages – Link.
Science
DIY science is the perfect way to use your creative skills and learn something new. With the right supplies, some determination, and a curious mind, you can create amazing experiments that open up a whole world of possibilities. At home-made laboratories or tech workshops, makers from all backgrounds can explore new ideas by finding ways to study their environment in novel ways – allowing them to make breathtaking discoveries!
Transform an old laptop into a MP3 player
Tony took an old laptop and made it in to a big MP3 player, good reuse. I’m hoping he posts the Windows Media skin he made, looks handy – Link.
DARPA Urban Challenge semi-finalists announced
Today, DARPA announced the 36 semi-finalists for its Urban Challenge autonomous vehicle competition. The top 20 teams from the National Qualifying Event (to be held Oct. 26-31) will move on to the Urban Challenge final event on November 3. Teams will compete for cash prizes worth $2 million for first, $1 million for second, and […]
Model, sport rocketry reference source
If you read Bill Gurstelle’s “Happy Blastoff” piece, about last year’s LDRS (Large Dangerous Rocket Ships) event, in MAKE Vol. 10, and it whet your appetite for building some LDRS of your own, INFOCentral is for you. Maintained by Rocketry Online, it’s a decent beginner’s online reference library covering all aspects of rocket design, construction, […]
The Sampler Box Contest
As you know, The Sampler’s got a contest going on to repurpose the Sampler boxes into something fun that you can reuse. Pictured above is the sampler box remade by Leah of Craftster and Judieann’s DJ Kit to Go . I’ll have my box up later this month. You can see all the Sampler Boxes […]
Fire-powered, bean-tin battery charger
Here’s one for the Hobo Tech file, it’s allegedly a “battery charger” that employs the Peltier-Seebeck effect — using a heat differential to generate a voltage (Seebeck Effect) and using a voltage to create a heat differential (Peltier Effect). Too bad there’s no info on the site except this captioned image. Seebeck battery charger – […]
Tricumbent hybrid
FrankG writes in with the latest on his Tricumbent hybrid – This is the third installment of the Electric Recumbent trike project that started back in mid March of this year. On this page there is major reworking of the frame, adding the electronics and drive train with some basic testing. Tricumbent hybrid –Link.