Scandicraft has developed the ScanCam 200, a perimeter security system that features a mini quadrotor helicopter drone that launches from a mailbox-like hangar in order to do surveillance flights around your property. When there is a security breach and a sensor is triggered, personnel at an operations center, situated anywhere in the world, can launch [...]

Over at Instructables, Eric Paulos and his colleagues at Carnegie Mellon University’s Living Environments Lab explain how to make illuminated balloons that change color based on the local air quality. Each balloon is outfitted with a tri-color LED, tiny air quality sesnsor, rechargeable battery, and a few other inexpensive components. I’d love to encounter these [...]