How to Disappear Completely

Can you guess Luthor's amazing scheme?

Ummmm...to get really hammered?

Oh well now how was I supposed to guess that?!

Also: hey kids! Wanna be invisible?! Just sink a cup of mouthwash, orange juice and a couple of aspirins and then stick radio parts in your shoes! Science!

How many kids died trying this?

Panels are taken from Action Comics #286.