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.
The Principle of Least Action
Related Posts
A brief guide to clothes recycling – sustainability expert unpicks how your discarded garments get processsed
According to a textile sorter and processor based in the East Midlands, approximately 40% of sorted garments were…
April 4, 2024
Behind the Scenes at the Nobel Prize Ceremony
Periodic Videos recounts their experience attending the 2024 Nobel Prize ceremony in Stockholm, including the stringent rules, grand…
February 2, 2025
Dark matter: our new experiment aims to turn the ghostly substance into actual light
Galaxy cluster, left, with ring of dark matter visible, right. NASA Andrea Gallo Rosso, Stockholm University A ghost…
May 8, 2024
The Hidden Math Inside Your Coffee Cup
The captivating light patterns, known as caustics, that appear in a coffee cup result from intriguing mathematical principles.…
May 24, 2025
