Motion of a Particle in 1-Dimension. If a particle has negative acceleration then it must be slowing down, right? Nope. Sorry. Try again. This is an extremely common misconception. This applet is ...

Particle motion could be assessed from the directional sensory hair cells, and sound pressure from the vibration of an air-bubble structure, such as the swim bladder of a fish.

New Scientist once described Isaac Newton as “the supreme genius and most enigmatic character in the history of science.” His three greatest discoveries — the theory of universal gravitation ...