Everyday Science
Why Spaghetti Never Breaks in Half (and How to Fix It)
Discover the physics behind Feynman's spaghetti puzzle, from cascading flexural waves to MIT's twist-controlled fracture mechanics.
Topic
Physics
A collection of essays to explore, one idea at a time.
Essays
Newest first
Curiosity
Why Falling Chains Leap into the Air: The Mould Effect
When a beaded chain falls from a beaker, it arches high into the air. Here is why the chain fountain works through an anomalous upward push from below.
Everyday Science
Why Peeling Scotch Tape in a Vacuum Emits Real X-Rays
Discover how peeling ordinary sticky tape in a vacuum turns weak van der Waals bonds into a tabletop particle accelerator emitting X-rays.
Curiosity
The Brazil Nut Effect: Why the Biggest Pieces Rise
Discover why shaking mixed nuts pushes the heaviest pieces to the top through granular convection, void percolation, and surprising particle dynamics.
Acoustic Cavitation
Sonoluminescence: How Sound Creates Star-Hot Light in a Bubble
Discover sonoluminescence, the physical phenomenon where sound waves collapse microscopic bubbles in water to generate plasma and star-hot flashes of light.
Everyday Science
The Leidenfrost Effect: Why Scorching Pans Keep Water Alive
Discover why water droplets skate effortlessly across a scorching pan instead of vaporizing, and how this steam cushion shapes modern thermal engineering.
Fluid Dynamics
The Hidden Physics of the Kitchen Sink Hydraulic Jump
Discover why tap water suddenly forms a thick circular ridge in your sink and how surface tension rewrote two centuries of physics.
Everyday Science
The Cheerios Effect: Why Floating Breakfast Clumps Together
Discover how surface tension and meniscus physics drive the Cheerios effect, causing floating objects in your breakfast bowl to spontaneously clump together.
Coffee Ring Effect
The Coffee Ring Effect: How Physics Solved Everyday Stains
Discover why drying liquid droplets leave dark ring edges, the fluid dynamics behind capillary flow, and how particle shape fixes the coffee ring effect.