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car without a person

27.09.2007

Engineers from the United States are creating a car that can travel 60 miles without human assistance in six hours, traveling along the roads of California.

“Two years ago, we tested a prototype of such a robot car in the Mojave Desert. Then our team showed 8th and 9th results, thanks to which we received financial support from the Department of Defense, Ford and Caterpillar companies. Of course, to travel It’s much more difficult for a robot to drive on the roads of California than in the desert, but we are well prepared,” says one of the participants in the work, graduate student of the University of Virginia Patrick Courier.

The robot, converted from a donated Ford Escape car, was named "One". It was equipped with a powerful on-board computer, a GPS receiver, laser scanners and video cameras. Sophisticated software allows you to simulate human behavior and recognize the maneuvers of vehicles in front.

As a result, the robot is able to drive along a marked freeway, change lanes, go around a stopped car, cross intersections and park. And he does all this without going beyond the rules of the road.

Three laser scanners 25 times in two seconds inspect the surrounding space and measure the speed of approaching "Odin" to a particular object on the road. Four more scanners are installed on the roof. Two of them look for potholes on the road, and two more follow objects that, when maneuvering, fall into the blind zone of the three main scanners.

It is assumed that such robots will carry out tasks for the delivery of goods to the battlefield along a given route during the conduct of hostilities by the US Army.

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Tractor rays 28.10.2014

Scientists from the Australian National University have developed a "tractor beam" based on laser technology.
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This term came to us from science fiction, where the so-called "energy" beam, which is able to attract an object to a radiation source. It seems that physicists have succeeded in making fantasy a reality: in the experiment, the beam moved tiny particles with a diameter of 1/5 millimeter to a distance of up to 20 centimeters, which is almost 100 times further than in previous experiments. In addition, the beam turned out to be reversible and could both bring objects closer and further away.

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