Wisdom Builder
Trading Cards
MODE:
Abstract
excerpts.
Trading Cards
Jul 1632
Relativity Principle
Relativity Principle
The laws of physics work the same for all observers moving at a constant speed. There is no absolute state of rest.
Relativity
Story
Does my gravity pull on the Sun?
Mass
Gravity is universal: every mass influences every other mass, no matter how small.
Relativity
FAQ
Does sound change pitch in water?
Sound Waves
Sound does not change pitch when it moves to a new medium. Frequency remains constant while speed and wavelength adjust, revealing the quiet coherence of nature.
Relativity
FAQ