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Sale Price $4.25.
Original Price $5.00 per postcard
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Gravitational Waves Found Inside Spectrum Postcard
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Paper Type
Signature Matte
18 pt thickness / 120 lb weight
Soft white, soft eggshell texture
-$0.50
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Gravitational Waves Found Inside Spectrum Postcard
Gravitational waves were recently discovered, confirming Einstein's prediction of gravitational waves from over 100 years ago. Einstein noted that the fabric of space-time can become curved by anything massive in the Universe, such as cataclysmic events such as black holes merging or stars exploding, and that events would cause a curvature of space-time and propagate as waves. Let your wry scientific side shine with this postcard featuring "The Gravitational Wave Spectrum" along with the geek humour saying "Gravitational Waves Found Inside". No need to be a physicist or astrophysicist to enjoy!
Customer Reviews
4.9 out of 5 stars rating15.9K Total Reviews
15,865 Reviews
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5 out of 5 stars rating
By Deidre T.9 March 2023 • Verified Purchase
Post Card, Size: Standard Postcard, Paper: Signature Matte, Envelopes: None
Zazzle Reviewer Program
Exactly what I wanted, it is very difficult to acquire Vintage Australiana items. I am so please that I ordered 8 I will be using them for my scrap booking and Junk Journaling. Gorgeous, Zazzle produced and delivered exactly what I wanted.
5 out of 5 stars rating
By Deidre T.9 March 2023 • Verified Purchase
Post Card, Size: Standard Postcard, Paper: Signature Matte, Envelopes: None
Zazzle Reviewer Program
Way better quality than I ever expected. I love the colours, font and quality of the card. I'm so pleased I found Zazzle as it is near impossible to purchase Vintage or Retro Australian memorabilia online. I chose this design when I purchased them. They are perfect for my projects. I was very specific about what I wanted. I know where to come now when I need to order similar items.
5 out of 5 stars rating
By Michaela A.5 December 2022 • Verified Purchase
Post Card, Size: Standard Postcard, Paper: Signature Matte, Envelopes: None
Zazzle Reviewer Program
Perfect for the occasion I was using it for.
I was able to delete the lines so I could put in more wording.
Had an envelope so the address side wasn't necessary. Print quality and paper quality lovely.
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Product ID: 239517439648647388
Added on 11/2/16, 4:36 pm
Rating: G
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