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The Search for Dark Matter Continues, More Than a Mile Underground
Popular Mechanics ^ | May 9, 2018 | Jay Bennett

Posted on 05/10/2018 7:40:41 AM PDT by C19fan

For decades, astrophysicists have pondered the odd movements of galaxies across the cosmos. The visible matter of the universe appears to be tugged around by an invisible counterpart, material that does not interact with surrounding matter in any observable way save gravity: dark matter. Refined measurements have since led scientists to hypothesize that 85 percent of all the matter in the universe is dark matter, while only 15 percent accounts for you, me, the planet, the stars, and everything else we can see.

It's a satisfactory explanation for our observations that has one major problem: a dark matter particle has never been detected directly. But the search for elusive dark matter is about to get a shot in the arm, and rather than looking for evidence of the substance written in the stars, scientists are constructing ambitious experiments deep underground.

The SLAC National Accelerator Laboratory, partnered with Stanford University and multiple additional labs and universities around the world, just announced that the U.S. Department of Energy has approved funding and construction a of dark matter experiment 6,800 feet underground in an old nickel mine. The project, called the SuperCDMS SNOLAB experiment, will use supercooled silicon and germanium crystals in an attempt to detect dark matter particles as they pass through our planet. The experiment is expected to be 50 times more sensitive than previous efforts, and it is slated to come online in the early 2020s.

(Excerpt) Read more at popularmechanics.com ...


TOPICS: Astronomy; Science
KEYWORDS: gravity; matter; stringtheory
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To: C19fan

“The Search for Dark Matter Continues, More Than a Mile Underground”

good place to look for it ...


21 posted on 05/10/2018 8:55:46 AM PDT by catnipman ((Cat Nipman: Vote Republican in 2012 and only be called racist one more time!))
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To: mowowie
I wonder how much a vat of 10 tons of liquid Xenon costs..

Xenon is about $1/gram, so ten tons of it is roughly $10 million. The cost of liquefying it is insignificant.

22 posted on 05/10/2018 8:57:08 AM PDT by Steely Tom ([Seth Rich] == [the Democrat's John Dean])
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To: C19fan
If it's hiding that far underground, maybe we should leave it alone.


23 posted on 05/10/2018 9:03:05 AM PDT by PLMerite ("They say that we were Cold Warriors. Yes, and a bloody good show, too." - Robert Conquest)
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To: DrainBamage

“closed-form equations with no variables”

LMAO what a load of hooey. An “equation with no variables” would not really be an equation, since you could just simplify it to a single number, so it wouldn’t be of any use in describing physical reality.

Either this guy is a charlatan, you are not very good at describing his “equations”.


24 posted on 05/10/2018 9:15:50 AM PDT by Boogieman
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To: Seruzawa
A real scientist would question the basic theory that requires invisible undetectable phenomena to work.

Unfortunately in this day and age, you have reached the pinacle of scientific accomplishment if your theory predicts you won't find any evidence for it.

25 posted on 05/10/2018 9:38:27 AM PDT by dartuser
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To: 6SJ7; AdmSmith; AFPhys; Arkinsaw; allmost; aristotleman; autumnraine; bajabaja; ...
Thanks C19fan.


· List topics · post a topic · subscribe · Google ·

26 posted on 05/10/2018 9:43:39 AM PDT by SunkenCiv (www.tapatalk.com/groups/godsgravesglyphs/, forum.darwincentral.org, www.gopbriefingroom.com)
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To: C19fan

If so-called dark matter couples to gravitation, why aren’t there galaxies, stellar systems and planets composed of it crashing into matter and dark matter alike?

Something doesn’t figure, for me at least.


27 posted on 05/10/2018 9:49:28 AM PDT by onedoug
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To: C19fan

Dark matter is a fraud and many of its proponents know it is a fraud.


28 posted on 05/10/2018 9:53:14 AM PDT by thoughtomator (Number of arrested coup conspirators to date: 0)
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To: rjsimmon

Acutally, go back and read about Vera Rubin:

https://en.wikipedia.org/wiki/Vera_Rubin

She used observation to find “dark matter” in galaxies. All the rest is trying to explain what she observed.

The answer may be as simple as underestimating the amount of rubble between the stars in a galaxy, but, they are looking for actual missing mass.

This hunt is much more scientific than the hunt for “climate change” that no one can observe, or, even define.


29 posted on 05/10/2018 10:25:53 AM PDT by Conan the Librarian (The Best in Life is to crush my enemies, see them driven before me, and the Dewey Decimal System)
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To: Conan the Librarian

I have read a bit from Vera and she truly was brilliant. The issue I am seeing over and over with theories WRT Dark Matter and galactic rotation is the assumption that all of the stellar and cosmic matter is static. Stars rotate, planets rotate, solar systems rotate. This effects gravity and the increasing/decreasing magnitude of the gravitic constant. Each model I have seen presumes only a massive gravity well at the core (black hole) but none for minor black holes or stellar gravity wells. Any model should account for all of the observed gravity wells before any theory can be tested. Additionally, gravitic anomalies such as supernovae, pulsars, etc. need to be accounted for. I just have not seen that done.


30 posted on 05/10/2018 11:32:27 AM PDT by rjsimmon (The Tree of Liberty Thirsts)
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To: rjsimmon
"...they are rather hypocritical to tell us to just have faith."

Where did they tell you to just have faith?

31 posted on 05/10/2018 11:35:43 AM PDT by mlo
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To: thoughtomator
"Dark matter is a fraud and many of its proponents know it is a fraud."

It's not a fraud. It's a scientific hypothesis. It may very well be wrong. That's why in science they do experiments. To find out.

32 posted on 05/10/2018 11:38:15 AM PDT by mlo
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To: rjsimmon
"Stars rotate, planets rotate, solar systems rotate. This effects gravity and the increasing/decreasing magnitude of the gravitic constant."

How does rotation affect gravity?

33 posted on 05/10/2018 11:40:04 AM PDT by mlo
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To: Mr. K

Higher dimensions?


34 posted on 05/10/2018 11:43:39 AM PDT by afterhoursarmory
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To: mlo

No, it’s an actual fraud.

As a hypothesis it’s a complete garbage “trust us” patch to a failed theory.

No person can objectively look at dark matter and consider it a credible hypothesis. This is the science equivalent of a child without siblings claiming a ghost stole all the cookies.


35 posted on 05/10/2018 11:45:37 AM PDT by thoughtomator (Number of arrested coup conspirators to date: 0)
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To: mlo

Take a full bucket of water and sling it around in a circle from your shoulder. The water don’t fall out. Same principle.


36 posted on 05/10/2018 11:47:20 AM PDT by Safetgiver (Islam makes barbarism look genteel.)
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To: thoughtomator
Dark matter is a fraud and many of its proponents know it is a fraud.

The theory of "dark matter" wasn't dreamed up out of thin air, it is the most plausible explanation for objective data from measurements of the movement of stars within galaxies.

If there is no dark matter, something even weirder is going on, like that the gravitational constant is not a constant for very large structures. Such a finding would throw vast amounts of physics and cosmology into turmoil.

37 posted on 05/10/2018 11:51:43 AM PDT by Steely Tom ([Seth Rich] == [the Democrat's John Dean])
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To: mlo; rjsimmon

> Where did they tell you to just have faith?

The dark matter fraudpothesis demands that you accept the infallability of current theories of gravity.

Because the moment you no longer do, the observations that are explained with dark matter are seen for what they really are: conclusive evidence that our theory of gravity is highly incomplete and insufficient as-is to explain observations.

Dark matter rests on the faith that gravity theory is already perfect, and thus anomalous observations must be from mass we can’t detect rather than a failure of theory.

Every dime going into “dark matter” is a waste. People ought to be working on a better theory of gravity, not trying to explain why the current one fails.


38 posted on 05/10/2018 11:57:10 AM PDT by thoughtomator (Number of arrested coup conspirators to date: 0)
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To: Steely Tom

It’s not even slightly plausible. It’s a religiously-driven article of faith.

The most plausible explanation is that the theory of gravity, as we know it today, is not correct.

“Dark matter” is what you get when Occam’s Razor spends a dozen years as an ISIS sex slave. It’s absolutely beyond obscene that dark matter is taken seriously as a proposal.


39 posted on 05/10/2018 11:59:10 AM PDT by thoughtomator (Number of arrested coup conspirators to date: 0)
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To: onedoug

Because dark matter is likely comprised of sub-atomic particles. The universe’s soup which never coalesced into atoms. We can’t ‘see’ it because it is not large enough to interact with photons, etc. But it does interact with gravity.


40 posted on 05/10/2018 11:59:36 AM PDT by Justa
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