Why is electromagnetic repulsion so infrequently used in applications? As in, using an electromagnet to repel a permanent magnet, rather than to attract a magnet or ferrous material? I was doing some ...

In this video, we explore fundamental concepts about the atom and the forces that govern it. **CHAPTERS** 0:00 - Why is the Universe inside an atom? 1:29 - What is an atom? 4:44 - Louis de Broglie's ...

The brain's structure has columnar features, which are hypothesized to arise from nerve cells (neurons) stemming from the same parent cell, initially forming radial units. How exactly this process ...

Every grain of sand contains three of the four known forces of nature, which combine to hold together atoms and their electron clouds. People in Deal, N.J., enjoy the sand on the beach of the Jersey ...