You remind yourself to activate the lights to take you to clap your hands or off you need? It seems that the technology was eventually used the clock, but in the form of Clap-Cube alarm clock. To read the time, all you have to do what you, your hands is to activate the red LED digital timer, and we assume that disappear after a few moments, the time again. Perfect for those who want to live a quiet life. Powered by two AAA batteries, you can wood materials, choose light or dark, depending on your environment. Needless to say, this is not something you want to put in your room, simply because to tell the time in the middle of the night, maybe you do wake up your spouse with a loud bang. The Clap-The Cube may be your alarm clock at a price of $ 29.95.