Can’t find a socket to charge your phone from? No problem, just get on your bike. Motorola’s “kinetic charger”, unveiled last week at the Consumer Electronics Show in Las Vegas, Nevada, can be attached to almost any bicycle. Electricity is generated when the rear wheel spins a dynamo, and a voltage regulator ensures a steady flow of power to the battery. Aimed at the developing world, the device is being tested in India.
Dental X-rays may soon be a front-line defence against thinning bones. Software developed at the University of Manchester in the UK analyses routine dental X-rays for signs…
