Carl Nelson:
Flaming hands
Carl Nelson:
Big Machines at COSI Toledo 2007
Carl Nelson:
Look at all that Pepsi ....
Carl Nelson:
Jacob gets the track ready
Carl Nelson:
Jacob and Michael on the lift
Carl Nelson:
Carl Jara builds a sand machine
Carl Nelson:
Adam and Jamie?
Carl Nelson:
Elephants toothpaste
Carl Nelson:
Steaming elephants toothpaste
Carl Nelson:
Methane bubbles in teachers hands
Carl Nelson:
Methane in my hands
Carl Nelson:
More organic powder
Carl Nelson:
Bed-of-nails with Dean of Students
Carl Nelson:
Organic powder
Carl Nelson:
Four Hydrogen balloons
Carl Nelson:
Methane bubbles