In this video Paul Andersen explains how light can be treated as both a particle and a wave. Physicists use scale to determine which model to use when studying light. When the wavelength of light is equivalent to the size of the object...

Physics investigates why the universe behaves the way that it does, and today, Hank tells us about the three physics experiments that he thinks were the most awesome at helping us understand how the universe works.

We deal with light on a daily basis, and it has wave-like characteristics that are essential to many natural and technological processes. The wave nature of light aids in the explanation of a number of important optical phenomena,...

Werner Heisenberg proposed Heisenberg's Uncertainty Principle in 1927, which states that measuring a particle's momentum and position at the same time with accuracy is not possible. One can know a property less precisely the more...

Niels Bohr's model of the atom introduced the idea of quantised orbits for electrons. In these, electrons occupy stable energy levels and either give off or take in photons when they move between these levels. This model was able to...

De Broglie's equation, formulated by Louis de Broglie in 1924, introduces the concept of wave-particle duality, suggesting that all matter exhibits both wave-like and particle-like properties. The equation is expressed as λ=h/p; λ is...

The act of measurement in quantum mechanics causes "collapse of the wavefunction". Here, I explain what is meant by measurement in the discipline of quantum mechanics.<br/>

Here, I explain the basic idea underlying Heisenberg's Uncertainty Principle; also 1 simple example is worked.<br/>

Heisenberg's Uncertainty Principle: Example #1

In the previous tutorial we introduced our second quantum problem, that of the quantum barrier potential. Again, this involves a free particle that encounters a barrier of finite potential. We've already solved the Schrödinger equation...

So Max Planck kicked things off, but how does the story of modern physics continue? With none other than your favorite scientist and mine, Albert Einstein! He did more than just stick his tongue out and have crazy hair. He elucidated the...

This is a classic experiment that is frequently referred to when describing quantum phenomena, so we definitely have to go over it a little bit. What happens when you pass a beam of light through a screen with two slits? What about when...

Look, up in the sky, it's a particle! It's a wave! Actually it's both. It's light! How do we know about this stuff? Well, because of Einstein for one. He did more than E = mc^2, you know. But don't stare at the sun to see for yourself,...

This is an introductory video to Albert Einstein's photoelectric effect, the discipline that made him a Nobel laureate. <br/>
-For Physical chemistry & Quantum le<br/>vel studies