learn more: http://blog.teachersource.com/2010/06/13/great-balls-and-fire-smashing-steel-spheres/

I have a bunch of copper metal that I've had sitting around, and I want to try turning it into gold.#shorts

This is not a dragonfly. It's a different insect, with smaller eyes, that rests with its wings open. It's called a damselfly. This video explains the differe...