![Seinfeld Seinfeld](https://api.time.com/wp-content/uploads/2017/10/seinfeld-doorbell-college-dorm.jpg?quality=85&w=2400)
By Cady Lang
A clever student is putting his time to good use during his time at college, using his spare time and his major to expertly troll his peers with a door sensor that bewilderingly plays the Seinfeld theme when someone crosses the threshold.
According to Buzzfeed, Evan Genuise is an 18-year-old freshman at Northern Arizona University who’s studying electrical engineering and computer science; he went viral after sharing a video on his Twitter account of his friend’s memorable reaction to hearing the Seinfeld theme after entering the room.
Genuise said that he used a YouTube tutorial by user Chloe Alix to created the motion sensor. Watch his hilarious prank below.
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Write to Cady Lang at cady.lang@timemagazine.com