Moveable Arm News Today

>> reporter: two different robots have been sent to japan. one travels by air. one by land. theyre equipped with cameras, sensors and even has a moveable arm. >> theyre sending back radiation levels and oxygen levels and are there any toxic gases in there. >> reporter: the georgia tech helped develop these robots. they believe when disasters strike, these robots can be an essential tool, whether its looking for survivors or helping first responders. >> its very motivating. it has a clear humanit...