DIY Friday: Lemon Battery!

We’ve had some nifty DIY Friday projects since the series began: projects that are truly luxury items (the card-dealing robot and the beer-launching fridge); projects that improve upon the latest in tech gadgetry (the slingbox webcam and tivo on your phone); and projects that allow you to save a few bucks on your latest consumer technology upgrade (such as building your own HDTV antenna).

Most of these projects, we readily admit, require some basis of knowledge in electronics and science. Which has us thinking: where and when did we get excited by the realization that a little bit of creativity, some spare time and a sodder gun could create hours of enjoyment?

For ourselves, that answer goes back to 4th grade, and some of those basic science experiments that, while not particularly useful in an commercial sense, revealed to us that the world of science — and indeed the world itself — was full of wonder.

With that in mind, we present to you a DIY Friday project that truly brings us back to our roots: your very own lemon battery!

Th folks at ScienceOnline produced this fine video. It’s mesmerizing in the unique way that only elementary-school documentaries are. Enjoy it — and, if you have kids, consider doing today’s DIY Friday project with them. You may just unlock a world of wonder.