Tin can telephone - Wikipedia
WEBA tin can phone is a type of acoustic (non-electrical) speech-transmitting device made up of two tin cans, paper cups or similarly shaped items attached to either end of a taut string or wire. It is a particular case of mechanical telephony, where sound (i.e., vibrations in the air) is converted into vibrations along a liquid or solid medium ...
Talk through a String Telephone - Scientific American
WEBMay 6, 2011 · Scientists think whales can hear each other from hundreds (and maybe even thousands) of miles away—without even a string telephone! Share your string telephone observations and results!
Optimizing a tin can Phone | Physics Van | Illinois
WEBIf the sides of the can are vibrating, then acoustic energy will be coupled to your hand (very lossy, squishy, damping material) and lost. You can mitigate this by holding the tin can on another string, but why go to the bother? A step up is to use a paper cup.
Tin Can & String Telephone: A Simple STEM Experiment
WEBJan 9, 2024 · Experimenting with tin can or plastic cup telephones can be a great boredom buster for kids! Kids growing up in the smartphone generation will be amazed at how something as simple as STRING can transmit sound.
A Tin Can Phone, But With Magnets - Hackaday
WEBMar 1, 2020 · The tin can phone is a staple of longitudinal wave demonstrations wherein a human voice vibrates the bottom of a soup can, and compression waves travel along a string to reproduce the speaker...
Two cans and a string | HowStuffWorks
WEBA tin can and string phone works using a string instead of an electrical current to transport the sound vibrations. What kind of string do you use for a tin can phone? A tin can phone typically uses a tight, non-stretchable thread or string to transmit sound.
How to Make a Tin Can Telephone - Country Living
WEBJun 2, 2024 · Make a Tin Can Telephone. Bonus: It never runs out of battery. This easy activity doubles as a sound experiment—and it really does work! When the sender talks into the tin or paper cup, it vibrates air in the vessel which then vibrates the bottom of the cup.
Can You Hear Me Now? The DIY Science Of Tin Can Phones!
WEBHow Do Tin Can Phones Work? Talking causes little vibrations in the air in front of your mouth, as you can tell by speaking into your hand. When you send those vibrations into the can, they cause...
Tin can Telephones | Physics Van | UIUC
WEBThe string should "couple well" to the can. If you tie a knot in a piece of fishing line to hold it in place in a hole in the can, the knot itself can flex and dissipate energy instead of transmitting it to the wall of the can.
Wireless Tin Can Telephone - Hackaday
WEBJun 8, 2020 · Make a wireless tin can telephone that uses a tin can for both audio and as an antenna