Hogan's holometer: Physicists devise a way to test whether we're really living in a hologram symmetrymagazine.org/brea…
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πŸ‘€︎ u/grimkat
πŸ“…︎ Oct 20 2010
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Holographic universe experiment begins: The Holometer experiment will test whether our universe is coded into 2-D packets many trillion times smaller than an atom. symmetrymagazine.org/arti…
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Holographic universe experiment begins - The Holometer experiment will test whether our universe is coded into 2-D packets many trillion times smaller than an atom. symmetrymagazine.org/arti…
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πŸ‘€︎ u/Monkey_Paralysed
πŸ“…︎ Aug 28 2014
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A close-up of the Holometer at Fermilab, an experiment designed to test the information storage capacity of the universe, and determine whether we live in a 2-D hologram. [2954 x 1965]
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πŸ‘€︎ u/RyanSmith
πŸ“…︎ Mar 16 2015
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Holometer rules out first theory of space-time correlations - The extremely sensitive quantum-spacetime-measuring tool will serve as a template for scientific exploration in the years to come. phys.org/news/2015-12-hol…
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πŸ‘€︎ u/tellman1257
πŸ“…︎ Dec 04 2015
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Holographic universe experiment begins: the Holometer experiment will test whether our universe is coded into 2-D packets many trillion times smaller than an atom. symmetrymagazine.org/arti…
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πŸ‘€︎ u/nastratin
πŸ“…︎ Aug 26 2014
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Holographic universe experiment begins: The Holometer experiment will test whether our universe is coded into 2-D packets many trillion times smaller than an atom. symmetrymagazine.org/arti…
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πŸ“…︎ Aug 26 2014
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Holometer project aims to discover matrix's biggest glitches and determine if the universe is a simulation

An ongoing experiment could reveal whether or not our full and fleshed-out 3D universe is an illusion, a 2D projection onto a cosmic screen beyond our perception or understanding.

The Holometer project, which is based at the U.S. Department of Energy's Fermi National Accelerator Laboratory (Fermilab) in Illinois, is now operating at full power, probing the very nature of space-time itself.

Source:

http://www.space.com/26969-universe-2d-hologram-holometer-experiment.html

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πŸ‘€︎ u/RalphiesBoogers
πŸ“…︎ Nov 24 2014
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What Fermilab’s Holometer Experiment teaches us about Quantum Gravity. backreaction.blogspot.com…
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πŸ‘€︎ u/DOI_borg
πŸ“…︎ Dec 05 2015
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In the Holometer experiment, why would one of the laser beams arriving back at a slightly different time indicate the universe was quantized?

All the pop-sci articles I've read have a description of the set-up similar to this:

> It uses a pair of laser interferometers placed close to one another, each sending a one-kilowatt beam of light through a beam splitter and down two perpendicular arms, 40 meters each. The light is then reflected back into the beam splitter where the two beams recombine. If no motion has occurred, then the recombined beam will be the same as the original beam. But if fluctuations in brightness are observed, researchers will then analyze these fluctuations to see if the splitter is moving in a certain way, being carried along on a jitter of space itself.

I have emboldened the sections I'm having trouble with. If the universe was discretised, why would that result in the splitter moving? Bounce two balls off a wall made of discrete lego blocks and they'll return to your hands at the same time. The lego blocks in the wall, or the pixels in a digital image, are discrete, but don't move.

I could understand if they varied the distance for one of the split laser beams and found that the intensity of the recombined laser always varied at some integer multiple of a constant*Planck_length, but this is not their procedure. (Also, I assume there's a reason that wouldn't work?)

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πŸ‘€︎ u/PerilousGourd
πŸ“…︎ Jan 13 2016
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Holometer rules out first theory of space-time correlations. thesciencemic.com/2015/12…
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πŸ‘€︎ u/thesciencemic
πŸ“…︎ Dec 04 2015
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TIL that Fermilab is building a "holometer," designed to investigate whether we live in a hologram. holometer.fnal.gov/descri…
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πŸ‘€︎ u/Djerrid
πŸ“…︎ Jan 23 2013
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Hogan's holometer: negative results rule out theory of space-time correlations phys.org/news/2015-12-hol…
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πŸ‘€︎ u/ZephirAWT
πŸ“…︎ Dec 04 2015
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Holometer rules out first theory of space-time correlations - The extremely sensitive quantum-spacetime-measuring tool will serve as a template for scientific exploration in the years to come. phys.org/news/2015-12-hol…
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πŸ‘€︎ u/tellman1257
πŸ“…︎ Dec 04 2015
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Holographic universe experiment begins: The Holometer experiment will test whether our universe is coded into 2-D packets many trillion times smaller than an atom. symmetrymagazine.org/arti…
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πŸ“…︎ Aug 26 2014
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Holometer rules out first theory of space-time correlations symmetrymagazine.org/arti…
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πŸ‘€︎ u/qznc_bot
πŸ“…︎ Dec 04 2015
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An interview with quantum gravity researcher Sabine Hossenfelder on the holometer and the role of falsifiability in quantum gravity inverse.com/article/9369-…
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πŸ‘€︎ u/equationsofmotion
πŸ“…︎ Dec 18 2015
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Have Joe or Jamie ever talked about the Holometer experiment?

It seems topical to bring up this question. I can't recall that they ever brought up the Holometer experiment, which is trying to find out whether space-time is a quantum system just like matter.

http://news.fnal.gov/2014/08/do-we-live-in-a-2-d-hologram/

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πŸ‘€︎ u/Cataclysmicc
πŸ“…︎ Apr 19 2017
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ELI5: The Holometer Experiment to determine if the Universe is 2D or 3D, and what the ramifications are if it is determined if we live in a 2 dimensional Universe.

I just cannot, for the life of me, wrap my mind around these concepts. Someone please make my brain stop hurting.

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πŸ‘€︎ u/dmce01
πŸ“…︎ Aug 28 2014
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Holographic universe experiment begins: The Holometer experiment will test whether our universe is coded into 2-D packets many trillion times smaller than an atom. symmetrymagazine.org/arti…
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A Fermilab scientist works on the laser beams at the heart of the Holometer experiment. [2,560 x 1,707]
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πŸ‘€︎ u/RyanSmith
πŸ“…︎ Apr 02 2015
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Holographic universe experiment begins: The Holometer experiment will test whether our universe is coded into 2-D packets many trillion times smaller than an atom. symmetrymagazine.org/arti…
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πŸ‘€︎ u/RealtechPostBot
πŸ“…︎ Aug 26 2014
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APOD: 2014 September 2 - Holometer: A Microscope into Space and Time apod.nasa.gov/apod/ap1409…
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πŸ‘€︎ u/Wyboth
πŸ“…︎ Sep 02 2014
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The Holometer is searching for a sound, the song of the universe. holometer.fnal.gov/
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πŸ‘€︎ u/Radiosucks
πŸ“…︎ Dec 18 2014
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Rushia, Calliope and Ollie in: Holometal reddit.com/gallery/lu34dm
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πŸ‘€︎ u/GP-013
πŸ“…︎ Feb 28 2021
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Do we live in a 2-D hologram? A unique experiment at the U.S. Department of Energy’s Fermi National Accelerator Laboratory called the Holometer has started collecting data that will answer some mind-bending questions about our universe – including whether we live in a hologram. fnal.gov/pub/presspass/pr…
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πŸ‘€︎ u/Libertatea
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πŸ“…︎ Feb 28 2021
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Fermilab is Building a 'Holometer' to Determine Once and For All Whether Reality Is Just an Illusion popsci.com/science/articl…
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πŸ‘€︎ u/greencheese
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Questioning Reality? Fermilab is Building a Holometer to Determine Once and For All Whether Reality Is Just an Illusion popsci.com/science/articl…
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πŸ‘€︎ u/Hosstheswimmer88
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Are We Living in a 2D Hologram? Photos of Laser 'Holometer' Experiment (Gallery) space.com/26973-2d-hologr…
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πŸ‘€︎ u/spaceblogs
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[WIP] Holometal will be real
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πŸ‘€︎ u/GP-013
πŸ“…︎ Feb 19 2021
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[WIP] Calliope and Ollie are ready to play at the Holometal reddit.com/gallery/loa7we
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πŸ‘€︎ u/GP-013
πŸ“…︎ Feb 20 2021
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SERIOUS: This subreddit needs to understand what a "dad joke" really means.

I don't want to step on anybody's toes here, but the amount of non-dad jokes here in this subreddit really annoys me. First of all, dad jokes CAN be NSFW, it clearly says so in the sub rules. Secondly, it doesn't automatically make it a dad joke if it's from a conversation between you and your child. Most importantly, the jokes that your CHILDREN tell YOU are not dad jokes. The point of a dad joke is that it's so cheesy only a dad who's trying to be funny would make such a joke. That's it. They are stupid plays on words, lame puns and so on. There has to be a clever pun or wordplay for it to be considered a dad joke.

Again, to all the fellow dads, I apologise if I'm sounding too harsh. But I just needed to get it off my chest.

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πŸ‘€︎ u/anywhereiroa
πŸ“…︎ Jan 15 2022
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Blind Girl Here. Give Me Your Best Blind Jokes!

Do your worst!

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πŸ‘€︎ u/Leckzsluthor
πŸ“…︎ Jan 02 2022
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This subreddit is 10 years old now.

I'm surprised it hasn't decade.

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πŸ‘€︎ u/frexyincdude
πŸ“…︎ Jan 14 2022
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Dropped my best ever dad joke & no one was around to hear it

For context I'm a Refuse Driver (Garbage man) & today I was on food waste. After I'd tipped I was checking the wagon for any defects when I spotted a lone pea balanced on the lifts.

I said "hey look, an escaPEA"

No one near me but it didn't half make me laugh for a good hour or so!

Edit: I can't believe how much this has blown up. Thank you everyone I've had a blast reading through the replies πŸ˜‚

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πŸ‘€︎ u/Vegetable-Acadia
πŸ“…︎ Jan 11 2022
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What starts with a W and ends with a T

It really does, I swear!

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πŸ‘€︎ u/PsychedeIic_Sheep
πŸ“…︎ Jan 13 2022
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What is a a bisexual person doing when they’re not dating anybody?

They’re on standbi

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πŸ‘€︎ u/Toby-the-Cactus
πŸ“…︎ Jan 12 2022
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Geddit? No? Only me?
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πŸ‘€︎ u/shampy311
πŸ“…︎ Dec 28 2021
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I wanna hear your best airplane puns.

Pilot on me!!

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πŸ‘€︎ u/Paulie_Felice
πŸ“…︎ Jan 07 2022
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E or ß?
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πŸ‘€︎ u/Amazekam
πŸ“…︎ Jan 03 2022
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Pun intended.
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πŸ‘€︎ u/Sharmaji1301
πŸ“…︎ Jan 15 2022
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What did Spartacus say when the lion ate his wife?

Nothing, he was gladiator.

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πŸ‘€︎ u/rj104
πŸ“…︎ Jan 15 2022
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No spoilers
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πŸ‘€︎ u/Onfour
πŸ“…︎ Jan 06 2022
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Covid problems
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πŸ‘€︎ u/theincrediblebou
πŸ“…︎ Jan 12 2022
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These aren't dad jokes...

Dad jokes are supposed to be jokes you can tell a kid and they will understand it and find it funny.

This sub is mostly just NSFW puns now.

If it needs a NSFW tag it's not a dad joke. There should just be a NSFW puns subreddit for that.

Edit* I'm not replying any longer and turning off notifications but to all those that say "no one cares", there sure are a lot of you arguing about it. Maybe I'm wrong but you people don't need to be rude about it. If you really don't care, don't comment.

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πŸ‘€︎ u/Lance986
πŸ“…︎ Dec 15 2021
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