The app requires an iPhone 3GS and is available now. The app only costs $9.99, but that Smart-specific cradle is an extra pretty penny. A U.S. price has not yet been announced, but it costs €240 ...
As far as physics demonstrations go, the Newton’s Cradle is probably one of the most recognizable. Named after Sir Isaac Newton, the Newton’s Cradle demonstrates the law of conservation of ...
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