Does the cup telephone actually work?

Does the cup telephone actually work?

A string telephone works very much like a landline phone. When you talk into the cup your voice sends sound waves inside the cup, vibrating the bottom of the cup. The vibrations are transferred to the string, across the string and into the bottom of the other cup.

How far do cup phones work?

Pull the string taut and have one person speak into one of the cups while you listen through the other. The cups can be used to communicate over distances of up to 100 feet.

Does a cup and string actually work?

Can you hear through cup phones?

Does 2 cans and string work?

What kind of cup is best for cup phones?

You’ll need two cans or cups. These can be recycled soup cans, plastic party cups or paper cups. The cups will help transmit the sound — keep notes and find out which cup works best!

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What string works best for tin can phone?

You will need 2 empty tin cans, a hammer, a nail or screw, masking or duct tape, and a long piece of cotton string or fishing line, about 10 to 30 feet in length.

How long can a tin can phone be?

796 ft
The longest functioning tin can telephone is 242.62 m (796 ft), and was achieved by Puzz Lab Inc., SUSUMU Inc., Gakken Plus Co. Ltd., Roy Hobbs Inc. and Hirofumi Yumoto (all Japan) in Chosei, Chiba, Japan, on 17 August 2019. They were not only successful but also the very first holder of this record title.

How do you make a paper cup phone better?

What string is best for a cup and string phone?

String a piece of twine between the cups. Use a long piece of string to help the sound travel farther.

You’ll need just a few things for this project:
  • Styrofoam or paper cups.
  • Cotton twine.
  • Markers.
  • Scissors.

How do you talk through a cup?

When you speak into a cup, your voice vibrates the air inside the cup, which in turn vibrates the bottom of the cup. These vibrations travel along the string and then vibrates the cup on the other end. The vibrations are converted to sound waves, and that’s why the person can hear through the other cup.

Does a string telephone work around corners?

The signal can be directed around corners with at least two methods: The first is to create a loop in the string which is then twisted and anchored to another object.

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How do you make a toy phone procedure?

How to Make a Play Telephone
  1. Gather your materials.
  2. Create holes for the string.
  3. Put the string through the hole.
  4. Tie a knot.
  5. Repeat for the other end.
  6. Get a partner.
  7. Start using your telephone.

How do you make a phone with a paper cup and string?

Does the telephone work better when the string is tight or loose?

The string needs to be tight between the cups—a loose string will not transmit sound as well. If something is touching the string (ex. a finger, a wall, etc.), the phone won’t work as well.

Can you make a string telephone with plastic cups?

How do you make a soup can telephone?

Hold one tin can, and give the other tin can to someone else. Walk away from each other until the string between the can is taut. Speak into the open end of one can while your partner listens to the open end of his can. Switch it around and listen.

How do you make a real phone?

Who invented the cup and string phone?

1664 – Tin Cans and String

Robert Hooke undertakes first serious experiments using cans and string. The “Tin Can Telephone” or “String Telephone” is the first, and most basic telephone that has ever existed. It was essentially an acoustic, non-electrical speech-transmitting device made of two twin cans.

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