Does the tin can and string phone 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. But as long as the string is tight, it works. It is also a great way to understand how telephones and radio work.

What kind of string do you use for a 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.

Which material vibrated when you used the tin can telephone?

Description: The tin can telephone is made of a string connecting two tin cans or paper cups. When the sender talks into one side it vibrates air in the cup which vibrates the bottom of the cup. This vibration is transferred through the string and received at the other end by sound.

Do Cup phones really 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.

Do cup phones really work?

Can you use yarn for cup phones?

To make your own cup phones, use the tip of a pencil to poke a small hole at the bottom of each of your two cups. Next, thread the string through the hole of one cup. We just tied a knot in the yarn on the inside of the cup to keep it in place.

How long can a cup phone work?

Making a Paper Cup Phone 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.

What was the first phone?

2008: The first Android phone turned up, in the form of the T-Mobile G1. Now dubbed the O.G of Android phones, it was a long way from the high-end Android smartphones we use today. Not least because it retained a physical keyboard and a BlackBerry-style trackball for navigation.

How much does a cup phone cost?

Compare with similar items

How far do cup phones work?

Can a smart coffee maker connect to your phone?

Smart coffee makers are generally just coffee makers that can wirelessly connect to your phone via Bluetooth or Wi-Fi and be controlled by an app. They don’t always stop there, though. We’ve seen several interesting twists that add other unexpected features.

What happens if you spill coffee on your phone?

Luckily the phone was screen down but the coffee covered the back and sides and formed a puddle in my lap. There wasn’t much coffee on the screen but its possible it could of gotten into the mic or home button, not sure.

What to do with a tin can phone?

If the can opener left rough edges when you removed the tops, tape over them so your child won’t scratch a finger. Give them the decorating materials and let them loose! They can personalize their “phones” however they’d like. Turn both cans upside down and hammer a nail through the bottom of each can to make a hole in the center.