Atoms are composed of three particles with an electric charge: electrons, protons and uncharged neutrons. Electrons have a negative charge, and protons have a positive charge. The negative charge of ...

Shini explores electric current, voltaic cells, and how we get electric charge. Electric current works like a river... kinda... Instead of flowing based on elevation ...

Growing up is hard to do, especially for baby planets. Now, scientists may have uncovered the solution to one puzzle about protoplanetary growing pains. An obstacle to planetary formation, known as ...

A new technique uses "molecular antennas" to funnel electrical energy into insulating nanoparticles, creating a new class of ultra-pure near-infrared LEDs for medical diagnostics, optical ...

Next to a nuclear reactor in Germany is a four ton, ten cubic meter metal box surrounded by lasers. The box is the most magnetically-shielded room ever built: the magnetic field inside is just a tenth ...

Shayla Love: This is Scientific American’s 60-Second Science. I’m Shayla Love. When you hear a bee buzzing along, visiting a flower, you’re hearing the movement of air made by the fluttering of its ...