Recent Articles
Parabolic solar cooker from a satellite dish

Parabolic solar cooker from a satel...

…is pretty simple and it works! You’re inside your house and you’re cooking using gas or electricity. Meanwhile outside the sun is shining. So why not use the sun to cook your meal? I mean in the sun’s surface, the...
Cutting bottles is fun!

Cutting bottles is fun!

We throw away so many garbage that you just sometimes wonder… what ELSE can we do with our rubbish? Now take empty wine bottles for example. Do you know what you can do with them? When they are cut in half you can make: candle...
When the days are getting shorter

When the days are getting shorter

…begin the ‘fightback’ with some cool garden lighting (no cabling required!). The days are getting shorter, but this doesn’t automatically mean that you can’t sit out in the evening and have a nice glass of...
Salt water battery lights LED

Salt water battery lights LED

In my previous post I made a battery of nails, copper wire and vinegar. This time I used salted water and 12 bottle caps instead of 9 to make a salt water battery and guess what, the LED burns as brightly as with the vinegar! You can also...
DIY vinegar battery lights LED for several days

DIY vinegar battery lights LED for ...

Always wanted to make your own battery? Home brew electricity! Maybe you already heard about salt water batteries made from sea water, but this is something you can easily do at home in a few minutes. This homemade vinegar battery is based...
Mason jar light: remake an old solar garden lantern into a Sun Jar!

Mason jar light: remake an old sola...

So a while back you bought a solar lantern (maybe like the one I have, a SOLIG Solar Powered Globe from IKEA) which you hung on some branch. Nice! It did its job excellent but after a year or two the lantern looked like it had its best...
Bottle lights from plastic bottles

Bottle lights from plastic bottles

A Liter of Light (Isang Litrong Liwanag) is an incredible project which aims to bring eco-friendly and cheap bottle lights -also called solar bottle bulbs- to disprivileged communities and millions of people who live in the dark. This...
Solar powered fuel cell toy car

Solar powered fuel cell toy car

Once upon a time I had a RC car with a 3.5cc nitro engine. Lots of smoke and noise. I loved the thing, until it crashed into a sidewalk with 50 km/h… So that was many years ago and I haven’t had a toy car since. Now however...
Recent Comments
  • John H.: You mean how long it'll burn? I got it glowing for more than...
  • Ian L.: That's not true, the wire can touch other nails. It is the f...
  • Ian L.: Try to connect the wire to the positive and negative leads o...
  • praveen: what is the time period in which the l.e.d glow...
  • John H.: It should work, because it also works with water :-) try and...
  • divya: I gone thru all the steps, but it didn't work. The vinegar I...
Random Articles
SunMod Solar Modification Kit, sola... Watching television but the batteries from your RC are exhausted? Then get your lazy butt...
Salt water battery lights LED In my previous post I made a battery of nails, copper wire and vinegar. This time I used...
Educational solar toy kits With an increasing focus on energy and the environment, there are lots of solar kits to...
About Us
Moved from a big city in the Netherlands to a small village in the Czech Republic, here in the mountains we're trying to do what we think is fun to do! Write, experiment, build, grow vegetables, maintain our house etc. Since the sun is one big ball of energy, why not try and gain from it? May the sun be with us! For a long time....!