15 simple DIY constructions for solar heater

You can easily construct DIY solar heaters. In this video you will find many fresh ideas for your future homemade solar heater. To understand better what it is all about it highly recommended that you will first look the next video before seeing this video. That way you will better understand the basic thinking and …

Growing Crops in the Desert. Could sea water be used to produce more food?

Here are four interesting videos about how to use sea water to grow plants. Could this resolve the global shortage of water to grow more food? Farming with sea water. How it is done? Experimenting with salty water to grow plants! Sea water into Fresh water. Large scale projects in the world already on the …

Stones and animals on Mars

What kind of stones, animals or creatures you would encounter on the planet of Mars? See the model or theory of Mars by Vesa Valtonen which will help you to recognise stones, animals and possible creatures on Mars and to understand what is happening or has happened on the planet of Mars. Model or theory …