Dhananjay Gadre has created another great project! We recently built a LED spinning top with message display. Its an improved version of a similar top published by Elektor in their December 2008 issue. The Elektor top can be spun only in one direction. The synchronization required to print message on the LEDs arranged along the […]
I’m not sure what’s more disgusting, that a toilet can get as nasty as the one pictured, or that you can clean said toilet with the fluid you typically flush down your throat. According to wikiHow, you can just pour the tasty beverage over any stubborn stains or lime deposits, let it stew for a […]
Pocket-Sized sent in a link to this article about the photography of Justin Quinnell. Using a pinhole camera made from an aluminum can, Justin was able to take super-long exposure, 160 degree angle photos over a 6 month period. The photo above was exposed from the 2007 winter solstice to the following summer solstice. In […]
Here’s a useful tutorial on how to harvest a motor from a waching machine, including a section on how to use bridge rectifiers to produce DC from an AC motor. Supposedly these are ideal for driving wind generators, so check out your wind exposure, make an inexpensive generator, and start charging some batteries! (via hack […]
A lot of folks emailed me about our “Not New Year’s resolutions – What are you going to MAKE? What we are making…” How many startups and projects are going to be doing power usage and metering in 2009? TONS – and now many of them seem to be looking at Twitter to pass the […]
David Leadbeater created a service that distributes Wikipedia entries over DNS using TXT records. Simply looking up a TXT record for any subdomain of his service will pull a summary of the Wikipedia entry for the title of the same name. I had written some code to take wikipedia articles and summarise them. I wanted […]
After a long day on Tatooine fighting off Sandpeople and haggling over the price of power converters, Obi-Wan and Luke Skywalker walk into a droid… BaR2D2 is a radio-controlled, mobile bar that features a motorized beer elevator, motorized ice/mixer drawer, six-bottle shot dispenser, and sound activated neon lighting. The robot is driveable so you can […]
