Judging from the long lines of people, the robot activities were the most popular at Mars Day.

VOA: special.2010.07.28

Technicians join him on stage to fix the robot instruments when anything goes wrong.

VOA: special.2010.03.12

Children and many parents were completely absorbed in the robot-assisted tasks.

VOA: special.2010.07.28

"On station one,we have robot arms. And what happens is the robots have different joints like a human arm -- one at the shoulder,one at the elbow, wrist and then a claw.

VOA: special.2010.07.28

Children become friends with the robot,she says.

VOA: special.2009.12.17

Built like a robot, this building can change, based on the conditions of the climate and city around it.

VOA: special.2010.03.31

Here,he uses a set of buttons attached to a computer to make the silent robot move forward, backward or around in circles.

VOA: special.2009.12.17

A recent story in a local agricultural newspaper said the first robot cost one hundred seventy-five thousand dollars.

VOA: special.2009.05.12

Another robot is designed to move and turn in a way that is similar to the Mars rovers.

VOA: special.2010.07.28

They're very efficient." Not far from Taylor Glacier, researchers for the American space Agency are using the icy Lake Bonney to test an underwater robot vehicle.

VOA: special.2009.06.03

He supervised the two robot activities.

VOA: special.2010.07.28