Community Action
As Denver’s Juneteenth scales back, organizers push forward
Denver’s Juneteenth Music Festival will be shorter this year and operating on a leaner budget, but organizers say its message matters now more than ever.
Want updates about stories from across Colorado and your favorite PBS programs?
Sign up for our newsletterExplore the world of physics, motion, and energy with Dr. Shini Somara.
Quantum Mechanics - Part 1: Crash Course Physics #43
Season 1 Episode 43 | 8m 38s | CC
What is light? That is something that has plagued scientists for centuries. It behaves light a wave... and a particle... what? Is it both? In this episode of Crash Course Physics, Shini introduces the idea of Quantum Mechanics and how it helps us understand light. Also, there's this thing called the ULTRAVIOLET CATASTROPHE!