Contents
What kind of string do you use for a tin can phone?
Step 1. 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.
Do tin can phones really work?
The tin can telephone could work since it is able to harness the mechanical wave from air (sound that coming out of our mouth), and transfer it through the string to the can on the other side. As for any physical system, there will be attenuation in the wave energy, so the range of the telephone is limited.
How far can a tin can phone work?
Their maximum range was very limited, but hundreds of technical innovations (resulting in about 300 patents) increased their range to approximately half a mile (800 m), or more under ideal conditions.
Will yarn work for a tin can phone?
You’ll also need string, and lots of it! The guys in the 2013 video used nylon twine, which is pretty stout. Of course they were also running their line over 650 feet. Cotton string, fishing line and ordinary twine also work.
Does 2 cans and a string work?
The old “two cans and a string” technique (or better yet, “two paper cups and a string”) really does work. The key is to make sure that the string is tight between the two cups, and this normally means that the distance is limited and the two people have to be connected to each other by a straight line.
How does the string can phone 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 sound waves become vibrations inside the second cup, transferring the sound of your voice.
Which material is best for string telephone?
Suggested Materials
- Different kinds of cups (paper, plastic, Styrofoam, metal cans, large, small, etc.)
- Several different kinds of string (cotton, kite string, thread, gimp, dental floss, etc.)
- Paper clips (100)
- Scissors.
- Sharp pencils or small nails (for poking holes in the cups)
How could you stop the sound Travelling in a tin can telephone?
Make a hole in the bottom of each can with a nail and hammer. String a long piece of string from one can to the other. Tie knots in the ends of the string so the string doesn’t pop out.
How long can you make a string phone?
Cut a long piece of string, you can experiment with different lengths but perhaps 20 metres (66 feet) is a good place to start. Poke a small hole in the bottom of each cup.
Can phones get viruses?
No, Android phones can’t get viruses. But Android devices are vulnerable to other types of malware that can cause even more chaos on your phone. From malicious adware to spying apps and even Android ransomware, Android threats are widespread.
How do you use a tin can phone?
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 paper cup phone?
Here’s what to do:
- Make a hole in the center of the base of both cups, using the pin.
- Tie one paperclip to one end of the string.
- Pull the other end of the string through the hole in one of the paper cups.
- Insert the free end of the string into the hole in the bottom of the second paper cup.
When was the 1st phone invented?
1876
It was at this time, 1876–1877, that a new invention called the telephone emerged. It is not easy to determine who the inventor was. Both Alexander Graham Bell and Elisha Gray submitted independent patent applications concerning telephones to the patent office in Washington on February 14, 1876.
Who invented tin can telephone?
Robert Hooke
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.
Who invented the string phone?
Robert Hooke
1667: Robert Hooke invented a string telephone that conveyed sounds over an extended wire by mechanical vibrations. It was to be termed an ‘acoustic’ or ‘mechanical’ (non-electrical) telephone.
What is string app?
String is the ultimate global discovery app—making it easier than ever to find great places with our intelligent algorithms, chat about them with friends, secure reservations, and tap into a network of local hospitality Experts. The String Expert Network help make it possible to experience the world as an insider.
Does the telephone work better when the string is tight or loose?
The bottom of the cup passes the sound waves to the string, and so on to the other cup. You can hear surprisingly far using a string telephone if help the right way!If the string is kept tight, the sound waves will travel. If the string is loose, the sound is less.
How do you make a paper cup phone better?
Thread one end of string through the bottom of each cup. Place a paperclip or toothpick in the bottom of each cup and tie the loose end of the string around it (the clip or pick is just here to keep the string from slipping through the bottom of the cup). Give one cup to your conversation partner and hold one yourself.
How do you make cup phones with plastic cups?
To make your own String Telephone, you will need:
Simply make a small hole in the bottom of both cups. Thread your string through the cup and tie a knot to keep the string from pulling back through. That’s it! You are all ready to start playing.
What type of wave is sound?
longitudinal waves
Sound waves in air (and any fluid medium) are longitudinal waves because particles of the medium through which the sound is transported vibrate parallel to the direction that the sound wave moves. A vibrating string can create longitudinal waves as depicted in the animation below.