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Be it from George Orwell's novel 1984, Soviet propaganda or the Radiohead song, most people are acquainted with the (false) equation 2+2=5. Apart f...

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No matter how much you want them, some things are just not meant to be: fire and water, good and evil, or roots and negative numbers. There is no r...

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Original price €23,34
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Okay, we admit it's hard to write funny and witty lines about physics, even though we come into contact with physics during every single second of ...

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Original price €1,48 - Original price €6,05
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It doesn't always have to be a large cattle phi, a herd of small phi can also be very productive. However, it is better not to eat the meat rho...

Original price €1,48 - Original price €6,05
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€1,48 - €6,05
€1,48 - €6,05
Current price €1,48
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What's better than a Pi? Eight pi, or more precisely one octopi. This number is exactly eight times more infinite than pi. You don't believe us? Wh...

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Original price €21,31 - Original price €35,54
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Helping others solving their problems with maths - no problem! Just give them your number. ;)This shirt is available in German, only. :(

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Most likely, it will always be the privilege of older generations to lecture younger generations about how hard and unforgiving life was "back in t...

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Original price €22,32 - Original price €36,55
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Are you an optimist or a pessimist? Simply look at the glass and tell us if it's half full or half empty ...Everyone knows this pseudo-scientific p...

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Original price €20,28 - Original price €20,28
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If you run really, really fast this green T-shirt might appear blue. And by fast we mean extra racy ;).This effect is caused by the Doppler effect,...

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