Hey guys, it's been a slow news day, so here's a video of someone pouring water into a glass:

Wait, WTF just happened?! WHAT IS THIS SORCERY?! Harry Potter, please explain.

YouTube user KUKR uploaded the above vid on Monday, Sept. 21, and it's already amassed nearly 200,000 views from confused people wondering what in the devil's name is going on here. Fortunately, KUKR promises in the video's description that he'll soon publish an explainer for this insane optical illusion. Stay tuned.

H/T Mashable