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Automotive Suspension Generator

13.09.2013

Engineers from ZF Friedrichshafen AG and Levant Power Corp. equipped with a recovery system for the suspension of the car, which usually also uselessly dissipates the kinetic energy of the impact of the wheels on the potholes. But the car absorbs a lot of this "free" energy, especially in some countries. The new suspension, called GenShock, not only turns the previously useless and even harmful shaking on bumps into electricity, but also dramatically improves the smoothness of the car.

The world's first GenShock active suspension features variable pressure active shock absorbers. Special valves change the pressure inside the shock absorber depending on the type and quality of the road surface. The shock absorber is equipped with an electronic control unit, a gear pump and an electric motor that controls the movement of fluid inside the shock absorber. When excess energy is generated, such as when braking hard or driving over rough terrain, the constant shock pushes the fluid out of the shock absorber. The fluid drives a gear pump, which in turn drives an electric motor.

Thus, kinetic energy is converted into electrical energy. At the same time, the worse the road, the more electricity is generated. Also, due to the fact that each shock absorber is controlled individually, a high smoothness of the car is ensured, a decrease in roll when cornering, buildup and pecking during acceleration or braking.

Of course, the GenShock shock absorber is more complex than a conventional car, but no more than modern luxury car adjustable suspensions. The developers have not yet given specific figures about how much electricity their system generates. But even if the alternator suspension provides power only to the headlights, this will be a good result, given the increased smoothness of the ride.

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Everyone can develop echolocation in themselves 20.03.2012

It has long been known that some blind people develop the ability to echolocate. When walking, they click their tongue, and by picking up a faint echo from these clicks, they can estimate the distance to an object, its size, shape, and even the texture of its surface. A group of Canadian researchers decided to figure out how the brain copes with such a task. Recruiting a group of blind and sighted volunteers, they invited them to listen to tape-recorded clicks with an echo, while simultaneously observing what was happening in their brain using a magnetic resonance imaging scanner.

It turned out that everyone's brain reacted to sounds in the same way, and only those blind people who developed a sense of echolocation in themselves activated the so-called "spur" region of the cortex, which works with images in sighted people. When the volunteers were asked to listen to the same clicks, but without echo, this area did not activate at all. This meant that the region of the brain responsible for vision in blind people begins to process sounds, and not all, but the echo.

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Scientists are convinced that echolocation is by no means a rare gift, and many can develop it in themselves. True, while they still do not quite understand how this can be taught.

“Echolocation can be learned even by sighted people,” says one of the study participants Melvin Goodale from the University of Western Ontario, “although it is not yet clear how well they will do it. After all, the part of the cortex responsible for vision deals with visual "However, I know some sighted people who have learned to echo well. This property can be useful, say, to firefighters, with its help they can find a way out of the room in complete darkness."

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