Transmitting Sound using Sunlight - The Photophone

How to make a photophone to transmit sound using sunlight. This invention by Alexander Graham Bell works by reflecting sunlight off a mirror, which is attached to a speaker, to a solar cell and from there to an amplifier. Support RimstarOrg on Patreon Subscribe for new videos every week Go to the main channel page here For a diagram of how it works, see my webpage here: See also: How to Make Crystal Radio Amplifier for Speaker Pyramid Hologram - How to Make/How it Works with Princess Leia Hologram How a Prism Works to Make Rainbow Colors The inspiration for this was a comment by Michael Meadows under my video Hand-Cranked Laser - TEA Laser Powered by Wimshurst Machine Thanks Michael! Follow behind-the-scenes on: Twitter #!/RimStarz Google Facebook Music used for endboard Essence - music by