I’d guess the amps needed to discourage a horse would be more than you would need to discourage a cat.

This sounds familiar:

Not just any type of instrument: all of these are examples of ocarinas. It’s cool to see it put into a simple set of mathematical rules. The mouthpiece produces the sound, which is selectively amplified by the resonance of the hollow chamber, and modified by the size of the hole openings. One of the oldest…

Hi Maddie, the caption on the third picture incorrectly identifies the animal as a brittle star. The ABYSSLINE project identified the creature as a cnidarian in the genus Relicanthus. Anemone would be a little more in the ballpark, although strictly speaking I don’t think that is all the way there, either. Cheers!