Excerpt from the full video "How the Entire Quantum Universe is Inside an Atom." A simple home experiment demonstrating how much weaker gravity is than electromagnetism: deposit a few electrons on a ...

Magnets, how do they work? Although the quantum mechanics behind ferromagnetism are by no means easy, a few simple experiments can give you a good grasp of how magnets attract and repel each other, ...

Albert Einstein, one of the most celebrated modern scientists, proposed the revolutionary theory of special relativity more than a century ago. This theory forms the basis of most of what we ...

Click to open image viewer. Image is of Henry's Albany magnet created in the 1820s, Smithsonian Institution Archives, negative number 39,040. Smithsonian Miscellaneous Collections, vol. 21, no. 356, ...

Osaka, Japan – Albert Einstein, one of the most celebrated modern scientists, proposed the revolutionary theory of special relativity over a century ago. This theory forms the basis of most of what we ...