O Espanta Tubaroes -

(smiles) Math has feelings about sharks. Try 45 hertz.

She adjusts. A small speaker crackles. A bowl of water with a minnow ripples violently. The minnow swims to the far edge. O Espanta Tubaroes

(whispers) It worked.

(frustrated) It’s just frequency. Sharks don’t have feelings about math. (smiles) Math has feelings about sharks

Slowly. You’re not repelling. You’re inviting. O Espanta Tubaroes