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You collapsed it! Quantum Physics Humour Card

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Signature Matte
18 pt thickness / 120 lb weight Soft white, soft eggshell texture
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About Folded Greeting Cards

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Size: Standard, 12.7 cm x 17.8 cm

Thank you, hello, or I love you, custom greeting cards are thoughtful gifts that are always the perfect way to express yourself.

  • Dimensions: 12.7 cm x 17.78 cm (portrait); 17.78 cm x 12.7 cm (landscape)
  • Full color CMYK print process
  • Double sided printing for no additional cost

Paper Type: Signature Matte

Our Signature Matte paper is a customer favourite—smooth to the touch with a soft eggshell texture that elevates any design. Its sturdy 18 pt weight and natural feel make it the ideal choice for timeless, sophisticated events.

  • Exclusively made for Zazzle

About This Design

You collapsed it! Quantum Physics Humour Card

You collapsed it! Quantum Physics Humour Card

Are you a Quantum Physics enthusiast? Then this is just the right design for you. Text based and easily customized with your preferred font and colours (just hit the "customize" button), this is a text based design with a funny message: "This design happily existed in all possible states before you observed it. Now it has collapsed into a single state. I hope you're satisfied." A parody of the Quantum Theory regarding the multiple states of the Quantum particles, it should induce the one observing this item a feeling of guilt for making it collapse into its present state. Of course it's just geeky humour and it will sure catch eyes and spark smart and funny conversations.

Customer Reviews

4.9 out of 5 stars rating17.7K Total Reviews
16695 total 5-star reviews733 total 4-star reviews124 total 3-star reviews65 total 2-star reviews131 total 1-star reviews
17,748 Reviews
Reviews for similar products
5 out of 5 stars rating
By Debra J.April 17, 2024Verified Purchase
Folded Greeting Card, Size: Standard, 12.7 cm x 17.8 cm, Paper: Signature Matte, Envelopes: White
Really pleased with the card quality. The perfect theme to personalize a birthday celebration. Birthday greeting combined with a Christmas wish for my nieces Christmas Birthday. Perfect! These colours really pop on this Matte finish. The cute funny monkey expressions add humour to a birthday card surprise.
5 out of 5 stars rating
By Kenneth N.January 10, 2026Verified Purchase
Folded Greeting Card, Size: Standard, 12.7 cm x 17.8 cm, Paper: Signature Matte, Envelopes: White
I needed a nice looking 90th Birthday card for a very dear friend. I selected the sample that would work for me, and added the name. I was so surprised on the fast delivery, and very pleased with the results. My card looked so much richer than on the web-site. Such an original, great looking 90th birthday card. I will be definitely ordering more cards in the next little while. I certainly recommend Zazzle products. Amazing designs...
5 out of 5 stars rating
By AnonymousOctober 1, 2025Verified Purchase
Folded Greeting Card, Size: Big, 21.6 cm x 28 cm, Paper: Signature Matte, Envelopes: White
I absolutely love this!! Thank you so much for creating a very special birthday card for my mom for her very special day!

Tags

Folded Greeting Cards
physicsmechanicsquantumrelativitywave functionscientificquantum physicsdouble slit experimentdualitycollapse
All Products
physicsmechanicsquantumrelativitywave functionscientificquantum physicsdouble slit experimentdualitycollapse

Other Info

Product ID: 137098377607268761
Designed on 2014-10-26, 9:25 AM
Rating: G