PhoneSoap is a device to clean up your phone from bacteria. But not only able to kill bacteria, this device also can be used to recharge your phone battery. PhoneSoap will clean up the phone from bacteria by UV-C light (a type of ultraviolet rays). UV-C is claimed able to penetrate the bacteria that exist in the mobile phone casing.
the Tricorder project - The Tricorder project aims to develop handheld devices that can sense a diverse array of phenomena that we can't normally see, and intuitively visualize them so we might see temperature or magnetism or pressure as naturally as we see colour.