Physics Articles (Most Votes) — Knoji
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E=MC² is an expression widely known but little understood by most who quote this expression. Interestingly, this is an algebraic expression that opened the world to things as good as nuclear energy and things as awful as nuclear bomb.
Published by Dr. Johnson C Philip 99 months ago in Physics | +29 votes | 24 comments
Einsteins' Theory of Special Relativity is explained in a simple manner for the interested person.
Published by Dr. Johnson C Philip 101 months ago in Physics | +25 votes | 16 comments
Contrails: What Are They?, Contrails and issues about them
Published by deepblue 88 months ago in Physics | +24 votes | 14 comments
The emission of electrons from metals heated above 1000 degree centigrade is called thermionic emission. The name is made of thermo (heat) and ion (charged particle). See an introduction here.
Published by Dr. Johnson C Philip 99 months ago in Physics | +22 votes | 14 comments
Observations on the effects of hot or cold on a rubber band: a simple Physics experiment and entropy.
Published by thestickman 95 months ago in Physics | +19 votes | 7 comments
Resonance of sound waves is an effect which makes all the beautiful sounds around us possible. If you love the sound of pipe organ, you should give thanks to resonance.
Published by Dr. Johnson C Philip 100 months ago in Physics | +18 votes | 20 comments
Elasticity is a very interesting word. It came into everyday vocabulary from science, and has acquired a meaning that is totally opposite to the original meaning.
Published by Dr. Johnson C Philip 100 months ago in Physics | +17 votes | 26 comments
The recent discovery of faster-than-light particles has puzzled many. Has it disproved the theory of relativity, or is it another one of those flukes in science?
Published by Dr. Johnson C Philip 80 months ago in Physics | +16 votes | 27 comments
Today everyone knows that electrons and protons are constituents of atom, but what exactly is an electron. How exactly did they discover it?
Published by Dr. Johnson C Philip 99 months ago in Physics | +15 votes | 16 comments
New scientific experiments have developed an invisibility cloak which can hide everyday objects from the human eye, by using calcite and bending light.
Published by B W1 90 months ago in Physics | +14 votes | 8 comments
The Man of Speed, Ernst Mach and the Mach Number
Published by deepblue 97 months ago in Physics | +14 votes | 6 comments
Sound is something we cannot live with. At the same time, noise is something we cannot live with easily. Yet most of us have little understanding of sound!
Published by Dr. Johnson C Philip 100 months ago in Physics | +14 votes | 7 comments
We expect heavy bodies to fall faster than light bodies. Actually they all fall with the same velocity, contrary to human intuition as demonstrated by Galileo.
Published by Dr. Johnson C Philip 101 months ago in Physics | +14 votes | 13 comments
A very-high powered magnetic field can ‘squeeze’ a metallic coin into a smaller version of itself? It produces...shrunken coins!
Published by thestickman 98 months ago in Physics | +13 votes | 10 comments
What exactly is a magnet? Sure they are the things we stick on our fridges, but what are their properties and other types of magnets?
Published by FactoidFactor 101 months ago in Physics | +13 votes | 10 comments
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