If you're a sucker for remote control toys ... 13-inch tall two-wheeled robot to a four-wheeled sports car or truck, a straightforward RF remote controls forward and backward motion together ...

You can use your smartphone to send and receive email, take pictures, play games, check the weather and stocks, get directions ... to control robots, such as moving the robots forward, backward ...

The team hopes the novel locomotion technique will attract robot and remote control hobbyists. It works much as you'd guess from the way it looks. The whole thing spins forward, taking the weight ...