About This Lesson
Read the full experiment at http://www.stevespanglerscience.com/content/experiment/00000052 You've probably heard of rubbing two sticks together to make fire... but who would think of using large steel ball bearings to make fire?
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Read the full experiment at http://www.stevespanglerscience.com/content/experiment/00000052 You've probably heard of rubbing two sticks together to make fire... but who would think of using large steel ball bearings to make fire?