Tunnel through the Earth
Drop a ball through a tunnel drilled straight through Earth. It won't fall forever. It'll oscillate back and forth, popping out on the other side in exactly 42 minutes. Every…
Physics
Physics is one of the disciplines of natural sciences which deals with the study of the basic laws of nature and their manifestation in various natural phenomena.
Physicists attempt to explain several diverse natural phenomena in terms of certain scientific laws and concepts.
Statistical Physics: Ensembles
Ensembles in statistical physics are collections of macroscopically identical but essentially independent systems. I explain the three main types: microcanonical, canonical, and grand canonical ensembles, their defining properties, and when…
Fox-Rabbit Chase Problem [Solution & Math Proof]
Pursuit problems are some of the most elegant challenges in classical mechanics. A fox chases a rabbit, both moving at constant speed. What path does the fox follow? I present…
Jablonski Diagram – Consequences of Light Absorption
When a molecule absorbs light, the energy has to go somewhere. It can trigger a chemical reaction, release heat, or emit light as fluorescence or phosphorescence. The Jablonski diagram maps…
Un-Popular circumstances connected with Most Popular, Theory of Relativity
Einstein gets all the credit for relativity, but Poincare was circling the same ideas years earlier. He was trying to salvage classical physics with modifications when the Michelson-Morley experiment shattered…
Cosmic Radiation & Cosmic Ray Showers: Complete Guide
Cosmic rays aren't actually rays. They're high-energy particles from deep space that slam into Earth's atmosphere at nearly the speed of light. I explain what cosmic radiation is, how cosmic…
Rayleigh-Jeans Law & The Ultraviolet Catastrophe
Lord Rayleigh and James Jeans tried to explain blackbody radiation using classical physics. They failed spectacularly. Their formula worked at low frequencies but predicted infinite energy at high frequencies. This…
Wein’s Formula & Wein’s Laws
Wien's displacement law and Wien's distribution law are fundamental to understanding blackbody radiation. This guide covers both formulas, their derivations, and how they predict the relationship between temperature and peak…
It’s a Mystery! – Simulacrum in Eagle Nebula
The Eagle Nebula holds one of space's most intriguing mysteries. High-powered telescopes have captured images revealing what appears to be a human figure within the gaseous pillars. Is it a…
Introduction to the Universe
The universe is staggeringly vast. Stars account for 98% of matter in a galaxy, and there are trillions of them out there. This introduction covers star types, stellar evolution, galaxies,…
Radioactive Pollution
Not all pollution glows in the dark, but radioactive pollution is uniquely dangerous. It contaminates land, water, and air with unstable atoms that emit harmful radiation for decades or centuries.…