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Library Security Sensors

Here’s a good one I used on my freshman roommate at school. I went to a Johns Hopkins University, a fairly math/science heavy university, to study film. I was an athlete and not the BEST student, as opposed to my roommate from Singapore who was studying biomedical engineering. Toward the end of our first semester in school I found myself in the basement of the library late one evening trying hard to decipher my pre-calc equations when I caught sight of my roommate several carrols over looking at me and snickering with another one of his Singaporean friends. I knew that they were making fun of my effort to grasp these most basic of calculus concepts so when they left to grab some coffee upstairs, I quickly sprang into action. I grab a random book off of one of the shelf, opened it to the two pages stuck together at the spine, exposed and removed the small, metallic, sensing strip (alarm strip) and cut the smallest, most innocuously sized hole in the shoulder strap of my roommate’s book bag. I then inserted the small metallic sensing strip into this hole and forgot about the entire issue.

Several months later, as I was leaving the library late one night during the spring semester, I caught site of my friend and asked if he was heading back to the room he said yes and we made our way to the front door. I walked first through the detector at the exit without incident. My roommate was next. I thought a nuclear disaster had been declared. Alarms and whistles went off everywhere. After he had been thoroughly searched and was replacing the entire contents book bag he mentioned to the guard that this had been happening every time he had tried to leave the library for the past several months and he had no idea the reason for it. I promptly removed the article later that evening in a covert manner when he went out for some sushi.

-Anonymous

Comments

Comment from Drew
Time: November 15, 2007, 9:57 pm

Shouldn’t have removed it.

Comment from Johnny
Time: December 7, 2007, 8:44 pm

if I buy a bunch of those magnetic strips from 3M or something, can I put them where ever I want to set the library off all the time? or is there some type of coding/activation?

Comment from WirelessWonderer
Time: May 6, 2009, 1:09 am

You don’t need any coding, you can sometimes find a whole role of them tucked behind diapers on the top shelf of a super market, it’s the same thing they use to stick on all there stuff. Most Winn-Dixie stores leave them there as they have to be stocked just about every night. I use to work at one (first job) and I use to stick them to the bottom of my coworkers shoes, shirt-tail etc. Eventually they start finding them after 45+ min, lol.

Comment from M
Time: May 16, 2009, 12:01 am

lol omg you went to JHU to study film?
no wonder your roommate was laughing at you
still, pretty decent prank

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