Faraday Perpetual Flashlight-Qinghua Science & Education

A new torch using the principle of Faraday's law of Induction that never needs batteries. Shaking the torch passes a magent through a copper coil which creates an electric current. This current is then stored in a capacitor which powers an uttra bright

Classification:

Optics

Keywords: physiological model biological model

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Product Description

Lens on a stand with a screen

Projection device for absorption spectrum of sodium

Lens on a stand with a screen

Projection device for absorption spectrum of sodium

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