This is a set of six web pages, authored and curated by David P. Stern, describing four unconventional methods of accelerating spacecraft. These are using cannons, nuclear power, solar sails and ion rockets....

This Public Broadcasting Service NOVA website contains information on shock waves and the speed of sound. It has a useful illustration of that shows how a sonic boom occurs at the intersection of the cone of the...

This web site features the Franklin Institute's (Philadelphia, Pa.) historic collection of photographs, writings, drawings and schematics from the Wright Brothers, as well as a section on the John Alcock and Arthur...

This website, from the Exploratorium, reviews the aerodynamics of cycling. Wind resistance is often one of the biggest challenges that professional and amateur cyclists face. This site has a form that lets you...

On this interactive site, visitors with a penchant for velocity-time graphs, kinematics, and the world of motion will be well-served. Created as part of "The Physics Classroom" portfolio of educational materials, this...