The principle of least action underpins all physics, unifying concepts from mechanics and optics to quantum theory. It posits that systems follow a path minimizing “action,” defined as the difference between kinetic and potential energy integrated over time.
Related Posts
Why Bismuth Might Be the Future of Electronics
Thin flakes of bismuth exhibit strange quantum behaviors without magnets or extreme cold, hinting at safer, cheaper paths to next-generation electronics.
What Makes Dark Matter “Dark?”
Dr. Paul Sutter returns with Ars Technica’s Edge of Knowledge series to run us through the course of…
Making the most out of boreal plant resources
Narrow-leaved kalmia is an invasive plant typical of boreal ecosystems. Its proliferation can hinder the reforestation of areas…
The Most Powerful Explosions In the Universe
We may have crafted for ourselves truly scary forms of explosions for science or other nefarious uses down…