http://youtu.be/oMREA_XLQ1A

In addition to its primary role as a military robot, the Multi-Arm Unmanned Ground Vehicle can also serve as a robot barber. The robot shaved a volunteer's head to raise money for St. Baldrick's Foundation, a childhood cancer charity. The Multi-ARM UGV is by Maryland-based robotics company Intelligent Automation.

via IEEE Spectrum & io9