The morse code signal reading "WHY" saturates the airwaves too much for Ukyo to pinpoint a direction, so the Kingdom of Science works on a way to visualize the signal.
Fluorescent paint!
!صباغة مشعة
Die Leuchtfarbe ist fertig!
Es pintura fluorescente.
Es pintura fluorescente.
De la peinture fluorescente.
Ecco la vernice fluorescente!
Tinta fluorescente.
Флюоресцентная краска.