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$34.05
per crew socks
Gravitational Blueshift Socks
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High-Performance Athletic Crew Sock
About Crew Socks
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About This Design
Gravitational Blueshift Socks
A multi-coloured, fractal representation of gravitational blueshifting; the shifting of light towards the blue end of the spectrum that occurs as photons become more energetic when falling into a gravity well.
Unlike the more commonly known Doppler blueshift, an apparent effect which is the result of motion towards the observer, gravitational blueshift is real, independent of the received angle of the photon. Gravitational blueshift is a natural consequence of conservation of energy and mass-energy equivalence.
Customer Reviews
4.2 out of 5 stars rating142 Total Reviews
142 Reviews
Reviews for similar products
2 out of 5 stars rating
By Anonymous31 August 2025 • Verified Purchase
Custom Sustainable Premium Crew Sock
Image quality is okay, very stretched and distorted when actually wearing. Fabric quality is nice enough. But sizing is very small, says the fit female 5 to male 11 but no way they are fitting my size 10 husband and wouldn't even go on his foot and only just fits me size 8 female - a bit disappointed really.
1 out of 5 stars rating
By Michaela J.25 December 2024 • Verified Purchase
Custom Sustainable Premium Crew Sock
Scam! I’m really disappointed that I never received these. No tracking information was given and I didn’t even realise they were being shipped from Ireland (it did not state this) as I was on the Zazzle NZ website I assumed it would ship from NZ. Weeks later and the order never arrived and I’m out of pocket nearly $60. This site appears to be a scam!!
3 out of 5 stars rating
By Anonymous8 September 2024 • Verified Purchase
Custom Sustainable Premium Crew Sock
Quality ok, imaged not very clear, a bit under what I expected but at least it arrived on time. .
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Product ID: 256519885587016063
Posted on 6/12/2022, 6:18 AM
Rating: G
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