According to the website of the Ministry of science and technology, recently, scientists from a research center in Filingen Schwennin, Germany have developed a kind of "

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By embedding two devices in it, we collect energy when walking.

The two devices are "vibration harvester" and "swing harvester", which are designed by wearable electronic technology.

When the walker touches the ground, the "vibration harvester" generates electricity; when the foot swings, the "swing harvester" generates energy.

The two energy harvesting devices generate electricity through the movement between the magnet and the coil.

When the magnetic field of a moving magnet passes through a stationary coil, the induced voltage appears and the current generates.

The electrical energy generated by the two devices is quite small.

When pedestrians pass through the ground at a speed of 5 kilometers an hour, they only generate 1 to 4 milliwatts of electricity.

Although these devices do not generate enough electricity to recharge smart phones, they offer new charging possibilities for other sensors and devices.

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