This video explains overlapping waves on a string using concepts from AP Physics 1. We explore superposition, interference, and how wave pulses interact when they meet, with clear visuals and ...

We say a message is incoherent when we can't make it out, or when it doesn't make sense. A scribbled note, a drunken argument or a conversation taking place five tables down in a crowded cafe might ...

There is a glaring gap in our knowledge of the physical world: none of our well-established theories describe gravity’s quantum nature. Yet physicists expect that this quantum nature is essential for ...