First we are going to make the stars in our solar system. For this you need to dip a dry paintbrush in to white paint, and using your finger, flick the paintbrush, so that the paint goes all over ...

Imagine using the solar energy captured by your lawn clippings to charge a mobile phone ... people all over the world may soon be able to make their own solar panels. Mimicking photosynthesis in ...

readily available solar panels and electronic modules, and inexpensive high-capacity batteries, means that being your own power provider can be as simple as making an online order. But which parts ...

So here's a few of my best-kept secrets of living off-grid, to make the experience as affordable ... truly stuck forces you ...

Does it ever make you wonder how all those different systems could come together, from dust and cold gas floating in the void? How our own Solar System came to be? How we could know? Telescopes ...