Underwater Video photography with a camcorder is fun but such cameras and the casings for underwater protection are an expensive lot. That is, if you are not building one yourself with this cheap mod, which will cost you less 10 bucks.
First, this is not the 'Apple' we work on but the Apple you eat. That said, this Apple isn't normal either because it vibrates when a person grabs it. In the project makers own words, "Unlike your family, this apple is predictable and may relieve stress. ".
Want a cheap gadget to extend your battery charge of any USB powered portable device like an iPod Shuffle or a phone? This hack from Hackaday is as simple as it gets if you want to build yourself a USB battery. All you will need are 4 things - a 5.1v Zener diode, 100 ohm resistor, 9v battery & connector and a female USB connector. Needless to say a little bit of electronic soldering ability or friendship with a geek who can make one for you will also be needed.
Pretty slick idea in our opinion, and you can't beat the simplicity of the project.
When we featured the plotter made with LEGO blocks in July, we thought that was quite amazing. But, then we had geeks with LEGO based knitting machines and all other kind of crazy gadgets made with LEGO blocks that each one of such hacks looked even more crazier and awesome.
But, this one perhaps takes the cake while solving one big problem - making a boring work of scanning books easy, fun and cheap. Created by Muranushi Tayaki, this automatic book scanner, opens each page of the book and scans the content, making the whole process automatic.
Here's a video of the LEGO book scanner in action: