Turn your camera phone into a Geiger counter

Next time you’re waiting in the security line in an airport, why don’t you pull out your smartphone and count all the radiation being emitted by those body scanners and x-rays? There’s an app for that, courtesy of Mr. [Rolf-Dieter Klein].

The app works by blocking all the light coming into a phone’s camera sensor with a piece of … Read the rest

Nice shoes, wanna recognize some input?

Even though giant multouch display tables have been around for a few years now we have yet to see them being used in the wild. While the barrier to entry for a Microsoft Surface is very high, one of the biggest problems in implementing a touch table is one of interaction; how exactly should the display interpret multiple commands from … Read the rest

DIY dimmable clapper for all your lazy lighting needs

For the lazy man who can’t be bothered to buy a proper wattage lamp here’s the Clever Clapper, a Clapper that finally has the ability to dim the lights.

Like the clapper we saw last month, [Pete]‘s version uses an ATtiny2313 and an electret mic. What sets [Pete]‘s version apart from the vintage 80s model is the ability … Read the rest

Sound-reactive EL wire box makes gift giving awesome

sound-reactive-el-wire-display

[Jonathan Thomson] was ruminating on EL wire displays and decided that most he has seen are boring, static fixtures or installations that simply flash EL wire on and off at a fixed rate. He thought that EL wire has far more potential than that, and set off to build something more exciting. Using a graphic equalizer T-shirt, with which we’re … Read the rest

Freeze drying astronaut ice cream

In our younger and more vulnerable years nothing was greater than visiting a museum, going to the gift shop, and badgering our parents to buy a pack of astronaut ice cream. Freeze dried ice cream leaves a taste of nostalgic chalky sweetness in our mouths, so we’re very excited to see that [Ben Krasnow] is now making his own astronaut … Read the rest