A can phone is a straightforward communication gadget created from two empty cans and a string. It really works by transmitting sound vibrations via the string, permitting two individuals to speak to one another over a distance. Can telephones are sometimes used as toys for youngsters, however they will also be used for sensible functions, reminiscent of speaking between completely different rooms in a home or between two people who find themselves outdoors.
Can telephones are straightforward to make and require just a few supplies. To make a can phone, you’ll need two empty cans, a string, and a nail or sharp object. First, poke a gap within the backside of every can. Then, thread the string via the holes and tie a knot in every finish. Lastly, converse into one can and hearken to the opposite can to listen to the sound.