What is a bicycle? The answer is a little trickier than you might think. More than just a form of transportation, your bike is a framework on which you can expl

From demonstrating gravitational pull to measuring speed and efficiency, your bicycle is a great tool to use when planning your next science fair project. Diagr

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Urban designer Mikael Colville-Andersen draws from his experience working for dozens of cities around the world on bicycle planning, strategy, infrastructure de