Recent Articles
Solar light bulbs from plastic bottles

Solar light bulbs from plastic bott...

A litre of light (Isang Litrong Liwanag) is a incredible project which aims to bring eco-friendly and cheap Solar Bottle Bulbs to disprivileged communities and millions of people who live in the dark. This is a really cool invention and...
DIY Stirling engine from a tuna can

DIY Stirling engine from a tuna can

I am currently working on my third engine, after my 1st and 2nd attempts failed miserably… I thought my third engine would run. I thought wrong. It was airtight, it turned smoothly but it seemed that the piston didn’t had...
Stirling engine homemade hot air diy, attempt #2

Stirling engine homemade hot air di...

OK, two days after my first attempt of building a homemade stirling engine, I somehow cooled off and tried again. I fished the 250 ml. soda can I threw in earlier out of the trash bin, straightened it, build the darn hot air engine…...
DIY Stirling engine out of a soda can, can I make one?

DIY Stirling engine out of a soda c...

Homemade Stirling engine, attempt #1 Building a DIY stirling engine was high on my list for quite some time, because it seems a cool idea to have an tin can engine running with the sun as fuel. But before I would build a solar driven...
SunMod Solar Modification Kit, solar charge your RC!

SunMod Solar Modification Kit, sola...

Watching television but the batteries from your RC are exhausted? Then get your lazy butt up and w a l k to your set to change channels! It’s good for your health too! But of course this is sometimes not possible, new TV sets...
The DIY solar fridge: keep things cool with the sun and a wet towel!

The DIY solar fridge: keep things c...

How to keep things cool when your outdoors, on a campsite or when electricity isn’t available? OK, you can buy one of these fridges which run on gas, but they are heavy when you’re a hiker, so best is to make a fridge from a...
Sun ovens: let the sun do the cooking!

Sun ovens: let the sun do the cooki...

Cooking with the power of the sun is pretty old. For centuries people used the sun as heating source to cook food. In the last decades we see more and more effictively made sun ovens for better output. They are used all over the world, in...
Make your own solar powered toy car from old household parts!

Make your own solar powered toy car...

It’s rainy outside… that means no sun to power all the solar toys, stuff, things, chargers, whatever you have on solar power. So what a great opportunity to start building a solar powered toy! A car for example. Because a...