Could a reactionless, gravity-defying propulsion system actually work? A former NASA engineer says yes, but scientists are skeptical.

This new propulsion system could rewrite the rules of spaceflight—not to mention completely defy conventional physics.

Each of these devices played an important role in furthering humanity’s understanding of electrostatics, and to a degree, physics in general. Today, these machines continue to serve as ...

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You can revise static electricity by clicking the links below. Click the links below to try our GCSE physics exam-style or quick-fire quizzes and test your skills and knowledge.

This physics course provides foundational knowledge for study in engineering, food technology and physical sciences. The emphasis is on applying physical principles to problems involving electricity, ...