On first glance I thought they were powering the devices with the mouse itself, rather than an external wireless power source. Still a cool article, but, I can'

On first glance I thought they were powering the devices with the mouse itself, rather than an external wireless power source. Still a cool article, but, I can't wait until we've gotten computers so efficient that we could tap the current in our bodies to power them. That will be a very cool day, IMHO.