The kids yawn through a lecture on quantum theory and Schrödinger's cat. And after classes, the Astronomy Club gets to the bottom of the oddly low-tech school festival project of the Computer Club.
You're so funny, Yui-chan!
Du bist so lustig, Yui!
¡Eres tan graciosa, Yui-chan!
Você é tão engraçada, Yui!