Board manager's March 2019 blog: Two cans and a piece of string - sending, receiving (and acting on) a message

Do you remember as a kid making your own ‘telecommunication network’? OK – that’s a rather elaborate description for two tins connected by a piece of string. One person talks into their cup, the bottom of the cup vibrates and the sound waves travel along the string (providing it’s kept taut) to the bottom of the second cup, allowing the second person to hear what they’re saying.