Just saw this article on yahoo and thought I would share it. I love the winter days where the solar gain helps warm my home and my little blue soapstone heater that does its best to mimic the sun's wonderful warmth. Watch Scientists Burn Through Steel Using the Awesome Powers of the Sun
I would not want to get anywhere near that thing ... just watching the guy burn the stuff made me nervous. I remember when I was about 5 years old I got in a fight with the next door neighbor boys. We lived in a sub where houses were perhaps 15 - 20 feet apart. In my devilish anger, I took my magnifying glass and aimed it through my bedroom window on to their roof hoping to set it on fire! Looking back on that I don't know if that makes me an extreme optimist or a devil.
