Albert Einstein


Curriculum vitae

University of Zurich

Rämistrasse 71
CH-8006 Zürich, Switzerland


Special relativity

![]( In physics, special relativity is the generally accepted physical theory regarding the relationship between space and time. It is based on two postulates: (1) that the laws of phy...

Mass-energy equivalence

In physics, mass–energy equivalence is the concept that the mass of an object or system is a measure of its energy content. For instance, adding 25 kilowatt-hours (90 megajoules) of any form of energy to any object increases its mass by 1 microgram (an...

Brownian motion

Brownian motion or pedesis is the random motion of particles suspended in a fluid (a liquid or a gas) resulting from their collision with the quick atoms or molecules in the gas or liquid. This transport phenomenon is named after the botanist Robert Br...

Photoelectric effect

In 1905, Albert Einstein described light as composed of discrete quanta, called photons, rather than continuous waves. Based upon Max Planck's theory of black-body radiation, Einstein theorized that the energy in each quantum of light was equal to the ...