What is a photon? Physics of light
Photons - Sunshine breaking through the clouds. When did the first photons appear? A photon is a tiny little particle of light, far too small to see individually. All light is [...]
16
08, 2017
16
08, 2017
Building a radio – a physics project
The graphite inside your pencil There's nothing magic about a radio. You can build your own radio out of plain ordinary things you can get at the store. Here's how. [...]
29
07, 2017
Sine waves – trigonometry – math
Sine wave In order to save energy, many, many things in nature move in a kind of repeated pattern we call a sine wave: water waves, sound waves, light waves, [...]
