Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...

If you want to reduce the friction between tiny objects, just increase the mass of the atoms at one surface, say researchers in the US. Heavier atoms vibrate at lower frequencies than their lighter ...

Exotic, ultracold states of matter are challenging physicists to draw on expertise from atomic, condensed-matter and plasma physics, and causing a few surprises along the way The ultracold world has ...

Believe it or not, cold does not actually exist. What you’re experieincing when you experience cold, is the absence of heat. Temperature is the energy of clashing atoms. A cubic meter of deep space ...

The energy of a thermodynamic system that is NOT either the kinetic energy or gravitational potential energy of the system as a whole is known as Internal Energy. The internal energy is associated ...

It should be clear that our world runs on energy. Driving your car, washing your clothes, heating your house, and even running your computer (so you can read this post)—these things all require energy ...