Heat is nothing more than atoms (and molecules) in motion. The faster an atom moves around, the more heat it carries. In the diagrams presented in the other three sections, the points show where atoms ...

Stress is a very real factor in the structure of our universe. Not the kind of stress that students experience when taking a ...

Part of Physics (Single Science) Unit 1: Atomic and nuclear physics Most of the mass and all of the positive charge of an atom is in the nucleus. Most of an atom is empty space, (a vacuum). In 1897, ...

The discovery shows an efficiency rate that is up to 25 times higher than traditional catalysts made from larger iridium structures or nanoparticles. Catalysts are materials widely used in industry to ...

A metal is comprised of many individual crystals, or grains. These crystals are held together by electrons in the same way that electrons hold the atoms within each crystal together. For more on this ...

IN a letter to this journal last week, Mr. Soddy has discussed the bearing of my theory of the nucleus atom on radio-active phenomena, and seems to be under the impression that I hold the view that ...