00:00These robots may build the cities of tomorrow.
00:03This 12-meter-tall, Transformers-like robot was built to reduce injury risks during railway
00:08maintenance, from painting overhead line supports to trimming trees along the tracks.
00:14Wearing a VR headset, the operator sees through the robot's cameras and controls it from a safe
00:19distance. And it's not just about repairs. In the future, our homes could be 3D printed.
00:25This robot builds walls using cheap, abundant and sustainable materials. No cement required.
00:32The method is called impact printing. The robot shoots material downward at high speed,
00:37bonding it on impact without the need to wait for layers to dry. By using natural local materials,
00:44the process could help the construction industry shrink its carbon footprint.
00:48And another robot showed just how far 3D printing can go. By building the world's tallest 3D printed
00:54tower in the Swiss Alps. On active construction sites, you might soon find a robot handling tasks
01:00like drilling, lifting, painting and more. And the modular design allows for quick task changes.
01:07Now researchers are working on AI to let the robot handle tough jobs all by itself.
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