Traxxas shows how its Slash 4x4 RC car can drive across water and do ... and a Power Cell 3s LiPo battery. Then the Slash is fast enough and can move enough water to keep from becoming a submarine.

Under the platform are your basics: 2-channel RC receiver from a cheap toy car, H-bridges, two windscreen wiper motors and wheels, a LiPo battery, an on/off switch and two casters. For an arcade ...

Small brushless motors and LiPo batteries are one of the most impressive bits of technology popularized in recent years. Just a few years ago, RC aircraft were powered by either anemic brushed ...