I've teamed up with Mr. G from the Mr. G Science Show to explore how telecommunications work by experimenting with a laser and a solar cell. The experiment demonstrates how information can be sent as a signal of of light (electromagnetic radiation) and as the light turns on and off the receiving machine can decode the pulses into information. This is a simple model of how cell phones, radios, bluetooth and all other wireless devices work.
How to Build a Lightwave Sound Machine
Setting up the Lightwave Sound Machine
If a picture is worth a thousand words, then video must be worth a million words! So, the easiest way to explain how to set it up is to show you. Click HERE to start the video at the point where the setup begins.
Keep on Learning! ~Craig Beals