APRIL FOOLS: University of Michigan Engineering school posts video of invisible cloaking spray

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 a video to the school website, showcasing a cloaking paint in the midst of development.

Cloaking spray in development at UM video (mobile users: http://ch7ne.ws/1iiTPyi):

"[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 video (mobile users: http://ch7ne.ws/1pT8jry):

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