I wanted to make a new ice cube, one that wouldn't make you weep into your drink for all those lost souls as tears rolled down your frostbitten upper lip into whatever you happen to be drinking.
I succeeded! With the help of...ARCHIMEDES.
Step 1: The Raw Material
This water will someday be your Disposable Archimedes Cube!
I haven't tested it, but I suspect if you use a glass cup, you may shatter something along the way.