Everyday Physics

What Is Physics?

Physics is the branch of science concerned with the properties of matter and energy. Physics includes various subjects like heat, light, mechanism, sound, electricity, magnetism and structure of atoms. The purpose of physics is to find ways to explain everything – from the tiniest particles to the largest stars, galaxies and objects known to man.… Continue reading What Is Physics?

Magical Physics

General Relativity and light bulbs

Q: How many general-relativity theorists does it take to change a light bulb? A: Two. One to hold the bulb and one to rotate space. This one is based on Einstein’s General Relativity. Before Einstein, physicists tried to explain motion and everything in relation to a certain point of view, called the Frame of Reference.… Continue reading General Relativity and light bulbs

Magical Physics

Heisenberg, Schrödinger and Ohm

Heisenberg, Schrödinger and Ohm are in a car. They get pulled over. Heisenberg is driving and the cop asks him “Do you know how fast you were going?” “No, but I know exactly where I am” Heisenberg replies. The cop says “You were doing 55 in a 35 miles per hour zone.” Heisenberg throws up… Continue reading Heisenberg, Schrödinger and Ohm