I have upload blog entries with fantastic timelapse videos showing the polar Aurora effect. But i haven't upload any yet showing how this Aurora effect is generated. I suppose that...
Markus Kayser built this incredible machine! It is a fully functional solar-powered 3D printer and has a solar tracker and a large fresnel lens. The computer tracks the sun and...
Today, June 7, 2011, the sun had a little surprise for the scientists. NASA's SDO sun-watching observatory caught an amazing video of a huge coronal mass ejection erupting from the...
A new discovery may turn today's solar panels totally obsolete and inefficient. Researchers from the University of Michigan have discovered that the magnetic fields coming from...
In 2006, NASA launched the Solar TErrestrial RElations Observatory, or STEREO, a two space-based observatories - one ahead of Earth in its orbit, and the other trailing behind. On...
I remember seeing a few years ago the mythbusters. Funny, but many times lame. In this particular episode, they tried to reconstruct the parabolic mirror of Archimedes. The first...
It is a common rule: All active components needs DC power to operate. After all, that is how they got their name "active", because they need DC power to operate. But that is about...
Here is an amazing video that was captured by NASA's Mars Exploration Rover Opportunity on Nov. 4 and 5, 2010. The video is accelerated and within 30 seconds you will see a full...