Beginner’s DIY: Create a Lemon Battery

Creating a battery from a lemon is a common project in many science text books. Successfully creating one of these devices is not easy. This video demonstrates how to construct and use a lemon battery to light an LED and operate a calculator.

Note: Led lits due to reaction between Zinc on the nail and Copper on the penny. The lemon just act as electrolyte.

Courtesy: ScienceOnline