Invisible cloaking spray prank: University of Michigan Engineering school pulls April Fools' prank

Did you fall for it? We did, at least for a few minutes.

But we hate to break it to you, Harry Potter fans, the "cloaking spray," is a well-executed farce.

As part of an April Fools' prank, the University of Michigan School of Engineering posted the below video to the school website, showcasing a cloaking paint in the midst of development.

Watch the video below (for mobile users: http://www.youtube.com/watch?v=ddVEFQq819o ):

"[It] sprays on clear and dries invisible. Once dry, it guides light around an object, causing it to become transparent," reads the video caption."

Apparently this is a yearly tradition for the school of Engineering. A representative from the department tipped us off to this April Fools' prank from last year.

UM takes first step toward teleportation (for mobile users: http://www.youtube.com/watch?v=XHjczeJIooc ):

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