Electrical circuit with lemons. A chemical reaction between the copper and zinc plates and the lemon produces a small current,that is able to power a light bulb | |
Lizenzart: | Lizenzfrei |
Credit: | Science Photo Library / Tek Image |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |