Science Sundays: How to Make a Lemon Battery (Full Experiment)

This week's demonstration is all about what to do when life hands you lemons

[craigriglin]

What is interesting is since 2011 pennies are mainly made out of zinc. Why your experience works is you are using older Pennie’s or because the outside of the penny is copper. I would think eventually on a new penny the copper would be used up and the battery would stop working, but it’s just a thought.

[julianvillar]

Hello can you pls tell me how big the nail must be, thank you

[jaseenasajid]

Helloo Maam, can you share the 3D design pls