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CLMN | Six degrees of separations (or maybe more)

04/11/2014

Let me tell you a story about a (disastrous) experiment on acquaintances, short chains and travelling postcards. We left each other, a couple of weeks ago, with the promise to demonstrate the six degrees of separation theory in our beloved-and-hated Eindhoven's small-world. Curious about numbers and statistics?

Among sixty postcards spread all around the campus, only two found their way back home. Summarizing, I have two friends in Eindhoven and they don’t know each other. I am wondering, what did I do in the 104 weekends of these two years in Eindhoven? Since we should always look on the brightside of life, as mum and Eric Idle use to say, I proudly declare that I got both the postcards back in one step only, and I didn’t pay the participants for that.

So, here they are, my private heroes, Inge and Antonio. Inge, the office neighbour, the Stakhanovist every Research group has. Thanks Inge for collecting the postcard. And, by the way, thanks also for being the first coming to work and the last leaving. But remember, there is one place where I still arrive earlier than you and I stay longer: the Canteen. You may have won the battle, but not the war (yet).

Antonio, the emotionally-close-compatriot, the phD candidate at the last year, the one seeing the light at the end of the tunnel and the postcard at the end of the Auditorium. Antonio said: “Honestly, a friend of mine tried to explain me a bit more about this theory, but I forgot the details. Coffee?”. Thanks Antonio for your support, I’ll never forget it!

Even if our results give new insights into the small world theory, limitations should be acknowledged and discussed (how to say nothing with scientific elegance, chapter number 1).   

Some of these limitations became apparent during the first stages of the research process, while nicely talking to my Gemini's colleagues between one pesto-salami sandwich and one smoked salmon with roasted potatoes.

This is how it went, more or less:

A: “Wait a minute, I saw your face, yesterday, somewhere....”   
Me: “You must have seen either the article on the Cursor or the postcard ....”
A:
“No no. I was at bier professor with friends, any chance we met there?”

A: “Hey! You definitely have a familiar face...”  
Me: “Really? That's because I am doing this amazing research...”
A: “Research? With that face?”

A: “Hey! I read your article on Cursor and I also saw one postcard! What’s the prize if I participate?”
Me: “Nothing”
A: “Plans for the weekend?”

Dear Stanley Milgram, luckily for your experiment you went for individuals from Midwest, U.S, and you succeeded. And luckily I went for the North Brabant’s ones, and I failed. Otherwise, at this time, you would share celebrity (and the Wikipedia’s page) with someone else: me.

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