While concepts–a practice in the design world that often leaves most people scratching their heads in puzzlement–are usually hit and miss, there are a few that really inspire closer scrutiny.

Seen below is the experimental Wave Disc Generator, a lightweight hybrid engine component invented by Dr. Norbert Muller from the University of Michigan. Thanks to a $2.5 million grant from the federal government Dr. Muller and his associates have been able to perfect the latest incarnation of a combustion device that woks by trapping air. Don’t worry; a more detailed explanation arrives after the jump.

The people of Sweden are an industrious lot, excelling at stuff that usually invovles much skill and manual dexterity. Small wonder than that every once in a while news pops up of a Swedish DIY at home project gone awry.

London’s Mayor, Boris Johnson wants WiFi to be more available in London, we heard a while back that the plan was to get it city wide before the 2012 Olympics, and now it looks like the plan also included installing WiFi on London’s many buses.

It looks like Google’s Chrome OS has been hacked by two security researchers who demonstrated the hack at the Black Hat security conference yesterday, and according to a report they used a web based attack to compromise the security of Google’s Chrome OS.

It wasn’t long ago that we reported that Google’s new social network Google+ had reached 10 million users, then we heard they were close to 20 million users, and now it looks like Google+ has 25 million users.

With the plethora of douche bag products that go along with the iPad and iPhone on the market today I honestly though the iArm might be real. I had to ask when someone sent me the photo alone if it was real or not. It’s not a real product thankfully, but I am surprised no one has made one of these yet. The product is a fake box that has photos of people doing strange things with the iArm.