Mac’s Petit Inventions: Enjoy Sound

How can we combine sound and liquid in such a way that it’ll be fun? I came up with two different ways.

A xylophone meets a pitcher

Up until know you had to look inside a container to see how much liquid was left, but that’s over now. Just hit the container and hear the sound, listen to the pitch of when the pitcher is hit. Compare it with the pitch of the handle (working as a tuning bar) to know if it is empty or not.
 The tone of the tuning bar is the same as that of the pitcher body with no liquid inside. That way you won’t bother to open the lid while having fun.

Harmony Toast

This is a champaign glass with four horizontal lines marked on the glass. When making a toast you can change the sound of the toasting by varying the amount of liquid inside. When the champaign in both glasses are at the same level, they will make harmony notes. That way, making a toast will be much more fun and I’m sure we’ll clink the glasses more than twice.