A car with a pedestrian airbag. Free Technical Library News

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Vehicle with pedestrian airbag

19.08.2012

The world's first mass-produced car with an airbag to protect a pedestrian in the event of a collision began to produce the Swedish concern Volvo. Seven sensors on the front bumper determine what the car has collided with, and if it is a person’s foot, two squibs lift the hood and a 120-liter airbag shoots out through the slightly opened slot in a fraction of a second.

Skeptics, however, express concern that a new kind of popular sport will not appear when idle "testers" start kicking the bumpers of cars in the parking lot to enjoy the spectacular effect. But the company assures that the system will not work on a stationary car, for this it must move at a speed of at least 20 kilometers per hour.

By 2020, Volvo specialists intend to ensure that their cars cannot kill or injure anyone in the cabin or outside the car in a collision.

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>> Forward: The share of Android phones is growing 18.08.2012

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Scientists have tried to mathematically model the situation in which all the electricity consumed by the United States is produced by wind turbines. To do this, with a good location of installations, their number should be about 16 times more than the current one. The model was built on the basis of real data on existing wind turbines.

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