Science, Health, and Food Blog

We are all familiar with the wire ties. They used to come on bread or baked goods. They are also used in the garden. But there is a better t...

There are a couple micro-hydro power generators on Ebay. These are not full kits, you will need to hook up a USB charger board to it to limi...

When making DIY batteries, which electrolyte should we use? It should be easily found in stores, inexpensive, and fairly safe. But which liq...

Here's a Youtube video about making a DIY battery from magnesium, graphite, and salt water as the electrolyte. I got magnesium ribbo...

This battery is made from some US pennies, and nickels. It also uses a saltwater electrolyte. Source Instructables .

Looking for more fun to make your own batteries at home? Here are some more links. DIY battery from Scitoys.com . Uses copper and zinc in ...

This aluminum air battery is made from aluminum foil, and activated charcoal, with a paper towel between them soaked in an electrolyte. ...

This DIY penny battery needs some US pennies with a zinc core (after 1982) and some cardboard soaked in an electrolyte. When making ...

Yes I'm Jonesing for DIY batteries! There will be several articles on different types of DIY batteries. This is a neat DIY project ev...

For each DIY battery you make, you have dissimilar metals, like copper and zinc. But sometimes they are not always metal, like the aluminum ...

Yes, this should work, given that you use 2 different types of metals, one for the positive lead one for the negative lead. Any acidic solut...

A US Army study found a yarrow tincture repelled mosquitoes better than DEET. There is some question about how toxic DEET is as the skin abs...

Some people have made their own batteries as kids, but now that we have had LED lights for years, these low-voltage batteries can be fun to ...

Reduce, Reuse, Recycle I'll call this series "Reduce, Reuse, Recycle" and each post subject will be preceded by "RRR...

This post is about making simple LED light circuits. LEDs are Light Emitting Diodes, and as such, they use DC power (batteries) to create li...

This post is about various types of DIY wind power, from small systems for the very beginner, to more advanced systems. I'm trying to fi...