The Power of Solar Light

You've probably already played around with a magnifying lens, focusing solar light into a tiny spot and burning up small pieces of paper, or wood - or ants, lets admit it.

But... just how far can you go, and focus sunlight?

The answer isn't a secret to cientists around the world, who have toys such as the one you'll see in the following video: focusing sun light into a spot that can reach over 6000ºC - enough to melt metal... and even rock.