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· @steemstem ·
$206.32
SteemSTEM Distilled #26
<b>Welcome to the 26<sup>th</sup> issue of SteemSTEM Distilled, a curation effort by the members of the @steemstem team.</b> 

SteemSTEM is a community driven project which seeks to promote well-written and informative Science, Technology, Engineering and Mathematics posts on Steemit. The project involves curating STEM-related posts through upvoting, resteeming, offering constructive feedback, supporting scientific contests, and other related activities.

<b>For more details, a recent update on the steemSTEM can be found [**here**](https://steemit.com/steemstem/@steemstem/steemstem-winter-2017-2018-project-update), and a not so recent one [**there**](https://steemit.com/science/@steemstem/an-update-on-the-steemstem-project). Moreover, if you ask yourself about what it means to be part of steemSTEM, please check [**here**](https://steemit.com/steemstem/@steemstem/being-a-member-of-the-steemstem-community).</b>

<center>![](https://3.bp.blogspot.com/-mjifaKa9hEw/Wcfnw9LxF-I/AAAAAAAAMtI/jXT86uHth0kPt_O4Q2ilwkfLn
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· @gavvet ·
$363.16
Mrs Ples could actually be Mr Ples
The next scull to be found in Africa was by Dr Broom.
-

He created a new genus for it, *Plesianthropus* and because the scull was relatively small with smallish canine teeth it was presumed to belong to a female. The scull quickly obtained the nickname "Mrs Ples".


https://upload.wikimedia.org/wikipedia/commons/thumb/e/e5/Mrs_Ples_Face.jpg/800px-Mrs_Ples_Face.jpg
By <a href="https://fr.wikipedia.org/wiki/Jos%C3%A9_Braga" class="extiw" title="fr:JosΓ© Braga">JosΓ© Braga</a>; <a href="//commons.wikimedia.org/wiki/User:Archaeodontosaurus" title="User:Archaeodontosaurus">Didier Descouens</a> , <a href="https://creativecommons.org/licenses/by-sa/4.0" title="Creative Commons Attribution-Share Alike 4.0">CC BY-SA 4.0</a>, <a href="https://commons.wikimedia.org/w/index.php?curid=11897054">Link</a>

A lot has happened since its initial discovery.
-

*Plesianthropus* has pretty much been dropped as a genus and "Mrs Ples" has been reassigned to *Australopithecus africanus*

There has also been an and off debate around
πŸ‘  , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,
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vote your-acct "gavvet" "mrs-ples-could-actually-be-mr-ples" 100 true
post_comment your-acct "re-gavvet-mrs-ples-could-actually-be-mr-ples-20180220t030137044z" "gavvet" "mrs-ples-could-actually-be-mr-ples" "" "your reply.." "{}" true

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· @freyablekman · (edited)
$141.74
What does an experimental particle physicist do: Measure particles!
One of the most important parts of my work is to measure particles.  Loads of particles. The particles I typically measure come from the collisions of the Large Hadron Collider. However, elementary particles are all around us, and  particle physicists work in all sorts of other environments as well, for example measuring particles from the cosmos (then it is called astroparticle physics), or particles that are the result of medical research as in medical physics. 

Today I am for example in a PhD jury for medical physics, the subject of the doctoral thesis is how to measure and optimise (really: minimise) the radiation dose that radiologists receive during to work. And yes, particle physics also affects _you_ when you have medical treatments such as PET scans and X-ray photos.

So, how do I measure these genuinely tiny particles? The size of a typical particle (let's take a common one, a proton), is 0.00000000000000085 meter! The trick is that for most practical interactions, we use the fact that the particle
πŸ‘  , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,
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vote your-acct "freyablekman" "what-does-an-experimental-particle-physicist-do-measure-particles" 100 true
post_comment your-acct "re-freyablekman-what-does-an-experimental-particle-physicist-do-measure-particles-20180220t030137050z" "freyablekman" "what-does-an-experimental-particle-physicist-do-measure-particles" "" "your reply.." "{}" true

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· @reddust · (edited)
$104.57
Soil and Gut Health
<p><center><h1> Herbicides </h1></center></p>

 <p><center>https://steemitimages.com/DQmbWhFeSegGndCpUcLNEfFeExyQFDWV6SnxjWCt1rcNuSk/soybean.jpeg</center></p>

<p> GT (Glyphosate-tolerant) crops were introduced into our agricultural system in 1996 and have spread throughout our world. It is estimated that 85 present of our global crop lands are planted with (GM) genetically modified crops.  Roundup which is the most widely used commercialized herbicide primary ingredient is glyphosate is the choice for most farmers around the world. </p>
<p><center></center></p>
<p>Finding studies that haven’t been funded by self interested corporations and government bodies has been difficult. Good news for those of us that wish to read alternative reviews and research, there are now new studies, however they are not getting reported by the US media or scientific journals. </p>
<p><center>https://steemitimages.com/DQmPNTphH4aqZj5jv7FWZqpBqp6RTWCSwyeArjY1J48EHZx/pesticide.jpeg</center></p>
<p><h3>I figured it’s because sc
πŸ‘  , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,
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vote your-acct "reddust" "soil-and-gut-health" 100 true
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· @freyablekman · (edited)
$388.63
Introduceyourself: Particle Physicist at the Compact Muon Solenoid at CERN
I'm an experimental particle physicist working at the Compact Muon Solenoid experiment at the LHC. 
![selfie with detector](https://steemitimages.com/DQmVjTGWamrbHjGS8Hp2ohZyCCjkLd4X4Kk2e7pBiiqD9hk/IMG_0183.jpeg)
_(this is the experiment I work on. No white coats, but safety helmets!)_


As this is quite an exciting job that people are interested in, I am rather active on [social media (particularly twitter)](https://twitter.com/freyablekman). Recently I gave a tour to a group of #steemSTEM enthousiasts; and guess what? Now I am on steem! (thanks @lemouth and #steemSTEM team!)

What you can expect from my account is posts on hot topics in particle physics, particularly when it is in the media. I also have the possibility to take high tech pictures with explanations of what is happening, in my job I regularly get to visit all sorts of not frequently accessible high tech sites. 

![selfie at fusion reactor](https://steemitimages.com/DQmWvhQ3v5WcLCaNEcZ5m9SCuYCyDCpUedskb37TtKV8Dvf/K7kfsoHWRcyZIyR9fDItxg.jpg)
_(s
πŸ‘  , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,
πŸ‘Ž  ,
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vote your-acct "freyablekman" "introduceyourself" 100 true
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· @teksyndicate ·
$151.87
The Steven | CRIT Show 0055
<center><a href='https://d.tube/#!/v/teksyndicate/ferst1ax'><img src='https://ipfs.io/ipfs/QmbVCEz2jgB7eabnVD9f3BYAJUAG13jVEBF3WHuTAAAaXr'></a></center><hr>

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-----------------------------

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Want to know what we use to make these videos? Check out our Kit: https://kit.com/TekSyndicate

For marketing (sponsorship opportunities) inquiries email info@teksyndicate.com

Ask us LITERALLY ANYTHING: Inbox@teksy
πŸ‘  , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,
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vote your-acct "teksyndicate" "ferst1ax" 100 true
post_comment your-acct "re-teksyndicate-ferst1ax-20180220t030137096z" "teksyndicate" "ferst1ax" "" "your reply.." "{}" true

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· @jasimg ·
$119.37
Is technology making our attention span shorter?
Technology is good for us we can do all types of things in such a small amount of time. We can send emails in just seconds we can do real-time chatting in few minutes and real-time calling at a meager price, but there is a question which prompts us that are these new technologies making our lifespan smaller? Shorter?

But how? We are doing everything good fast and making new inventions day by day. These technologies are making our lifespan shorter as we are in practice that we need everything very fast most likely in mild seconds we need everything done so quickly than before.

**The study about human concentration**

If at any point thought that it was difficult to focus on one thing without halting to browse your messages or post to online networking, you’re not the only one. The average human ability to focus – to what extent we can focus successfully on a single assignment – was as of late announced by Microsoft to have dipped under the level ascribed to goldfish.

This undoubtedly plays to our appr
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πŸ‘Ž  
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vote your-acct "jasimg" "is-technology-making-our-attention-span-shorter" 100 true
post_comment your-acct "re-jasimg-is-technology-making-our-attention-span-shorter-20180220t030137115z" "jasimg" "is-technology-making-our-attention-span-shorter" "" "your reply.." "{}" true

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· @hiroyamagishi · (edited)
$140.04
πŸ“–πŸ’Š Laughter is in God's Prescription! πŸ˜„
## Laughter is not only an amazing gift from God but also one of His meaningful promises. 

![Untitled design.png](https://steemitimages.com/DQmSqWtCP6i6zL8FRtgsrV2AGQJaqUgpZPiT1vDFyxMt8cY/Untitled%20design.png)

**The Bible says:**

> Luke 6:21 "Blessed are ye that hunger now: for ye shall be filled. Blessed are ye that weep now: for ye shall laugh."

Laughter helps us cope with sadness in everyday life. Have you ever been mad at someone then they said something to make you smile or laugh? You were upset but laughter made you feel much better.

Having a cheerful heart and laughing with family and friends are often taken for granted but are really important to maintain relationships and help maintain good overall health. 

"Just like [honey](https://steemit.com/health/@hiroyamagishi/sunday-series-001-authentic-bible-quotes), too much of anything is bad."

**The Bible says:**

> Ephesians 5:3-4 But among you there must not be either sexual immorality, impurity of any kind, or greed, as these are not fitting fo
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vote your-acct "hiroyamagishi" "laughter-is-in-god-s-prescription" 100 true
post_comment your-acct "re-hiroyamagishi-laughter-is-in-god-s-prescription-20180220t030137125z" "hiroyamagishi" "laughter-is-in-god-s-prescription" "" "your reply.." "{}" true

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· @suesa ·
$129.26
My shittiest method/experiment: Yeast Transformation
<center>![](https://cdn.pixabay.com/photo/2017/10/10/21/49/filmmaker-2838945_960_720.jpg)</center>

@sco is doing a ["my shittiest method"](https://steemit.com/myshittiestmethod/@sco/my-shittiest-method-the-in-vivo-complex-of-enzyme-ice-assay) challenge thing and I have been nominated by @scienceangel ! Took me some time but now I am writing it. Although it's more of a "my shittiest experiment" than "my shittiest method", as the method was technically fine.

The rules for this 
* describe the worst method/assay/experiment you have to work 
* use the #myshittiestmethod and the #steemstem tag
 * use β€œMy shittiest assay method: … ” as title
 * you can nominate some peers, they have to participate then (unless they want to be seen as very, very lame). But you can join the party without invitation as well!

So, here we go.

### <center>Some Background</center>

At the time, I had a 7 weeks internship in a microbiology lab (about which I wrote [one of my first posts](https://steemit.com/fiction/@suesa/a-day-i
πŸ‘  , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,
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vote your-acct "suesa" "my-shittiest-method-experiment-yeast-transformation" 100 true
post_comment your-acct "re-suesa-my-shittiest-method-experiment-yeast-transformation-20180220t030137133z" "suesa" "my-shittiest-method-experiment-yeast-transformation" "" "your reply.." "{}" true

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· @lemouth ·
$117.17
How onions have inspired particle physicists to design their detectors
I was planning to release a lot of material before the steemstem meetup at CERN, and I only partially managed to do so at the end of the day. I have however decided to finish this series no matter what, even if we are all today back from CERN for more than a week. In this way. I will be 100% ready for episode 2, if we organize an episode 2 of course.

<center> ![](https://s9.postimg.org/z4u424whr/cms_meetup.png)</center> 

In the [**former post**](https://steemit.com/steemstem/@lemouth/ppcc7-basic-principles-for-detecting-elementary-particles-with-onions) of this series, I introduced four different classes of objects when one was considering the detector standpoint: **stable particles, unstable particles, jets and invisible stuff**.

In order to be sensitive to all of these, a typical detector located at a particle collider features an **onion-like structure**. Like [**onions**](https://afrimarket.fr/media/catalog/product/cache/image/482x370/beff4985b56e3afdbeabfc89641a4582/O/i/Oignon_ordinaire_de_Hollande_-k
πŸ‘  , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,
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vote your-acct "lemouth" "how-onions-have-inspired-particle-physicists-to-design-their-detectors" 100 true
post_comment your-acct "re-lemouth-how-onions-have-inspired-particle-physicists-to-design-their-detectors-20180220t030137147z" "lemouth" "how-onions-have-inspired-particle-physicists-to-design-their-detectors" "" "your reply.." "{}" true

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· @reddust · (edited)
$161.82
The History Of Vaccine Series
<p><center><h1>The Historical Decline of Infectious Diseases</h1></center></p>



<p><center><h3>Sanitation or Vaccines?</h3></center></p>
 <p><center>https://steemitstageimages.com/DQmQLDzhzPfcuN5WkFAMbNJihGBZYUvD9CWx2wMfFAAMnpB/no%20pooping.jpg</center></p>

<p>Rene Dobos stated in his book, β€œMirage of Health, 1959, by the time laboratory medicine became involved with medicine, humanitarians and social reformers of the nineteenth century had brought infectious disease under control through sanitation and hygiene programs, β€œWhen the tide is receding from the beach it is easy to have the illusion that one can empty the ocean by removing the water with a pail.” </p>
<p><i>β€œThere was a continuous decline, equal in each sex, from 1937 onward. Vaccination [for whooping cough], beginning on a small scale in some places around 1948 and on a national scale in 1957, did not affect the rate of decline if it be assumed that one attack usually confers immunity, as in most major communicable diseases of childho
πŸ‘  , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,
πŸ‘Ž  
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vote your-acct "reddust" "7vcswe-the-history-of-vaccine-series" 100 true
post_comment your-acct "re-reddust-7vcswe-the-history-of-vaccine-series-20180220t030137152z" "reddust" "7vcswe-the-history-of-vaccine-series" "" "your reply.." "{}" true

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· @exercisinghealth · (edited)
$84.86
Why People Were Skinnier 40 Years Ago, Part 2 (Video)
<center><a href='https://d.tube/#!/v/exercisinghealth/o4ucheho'><img src='https://ipfs.io/ipfs/QmT4ouGEULdby8kgEauBYw9vtxCvnG9Qjfa9YRnDAFQ55t'></a></center><hr>

<h3>Click on the VIDEO above ^^ to watch.</h3>
People are more overweight than they were 40 years ago. The review on Public Health, published by The University of Minnesota, detail all the reasons why this health problem has occurred. This video is part 2/2 and includes a summary of their findings, regarding exercise.
<hr>
Follow @exercisinghealth

To get notified of our latest content. Send "Notify" to christopher@exercisinghealth.net
<hr>

Click, for the [written version of this episode](https://steemit.com/steemstem/@exercisinghealth/how-modern-lifestyle-impacts-our-nutrition-and-exercise-part-2)
<h3>Sources:</h3>

[1] https://www.ncbi.nlm.nih.gov/pubmed/11274524

[2] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3354976/

[3] https://www.forbes.com/sites/andrewbender/2013/11/14/moscow-subway-station-lets-passengers-pay-fare-in-squats/

[4] https:/
πŸ‘  , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,
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vote your-acct "exercisinghealth" "o4ucheho" 100 true
post_comment your-acct "re-exercisinghealth-o4ucheho-20180220t030137157z" "exercisinghealth" "o4ucheho" "" "your reply.." "{}" true

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· @leomichael ·
$90.17
[IT STORY] λ°”λ‹€ 속 세상을 λ³΄μ—¬μ£ΌλŠ” 'FIFISH P3'
![IT STORY.png](https://steemitimages.com/DQmfMXRPU7rfGj4WMhsw1ibi6QkHDme8U7QTHXQCJ9w17LV/IT%20STORY.png) 

μ•ˆλ…•ν•˜μ„Έμš”? 
IT STORY 의 λ ˆμ˜€μž…λ‹ˆλ‹€. 
IT STORYλŠ” μƒˆλ‘­κ³  μ‹ κΈ°ν•œ ITμ„Έμƒμ˜ μž¬λ―ΈμžˆλŠ” 이야기λ₯Ό 전달해 λ“œλ¦½λ‹ˆλ‹€. 

였늘 μ†Œκ°œν•΄ λ“œλ¦΄ λ‚΄μš©μ€ λ°”λ‹€ μ†μ˜ 세상을 λ³΄μ—¬μ£ΌλŠ” λ“œλ‘  'FIFISH P3'μž…λ‹ˆλ‹€. 

https://c1.iggcdn.com/indiegogo-media-prod-cld/image/upload/c_limit,w_695/v1518433105/cnv4ek7ttduiezashjkv.jpg

FIFISH P3λŠ” μˆ˜μ€‘ 무인 λ“œλ‘ μž…λ‹ˆλ‹€. μˆ˜μ€‘ 촬영과  λΉ„λ””μ˜€ κ·Έλž˜ν”½ 및 탐사λ₯Ό μœ„ν•΄ 전문적인 μˆ˜μ€€μ—μ„œ μ„€κ³„λ˜μ—ˆμŠ΅λ‹ˆλ‹€. 4K UHD μ˜μƒ 및 20 λ©”κ°€ ν”½μ…€ 사진 촬영이 κ°€λŠ₯ν•˜κ³   1 인치 SONY CMOS μ„Όμ„œκ°€ νƒ‘μ œλ˜μ–΄ μžˆμŠ΅λ‹ˆλ‹€. 

https://c1.iggcdn.com/indiegogo-media-prod-cld/image/upload/c_limit,w_695/v1518490646/zhrgvclahhlbcy08etag.jpg

 4000 루멘 LED이고  1080P μ‹€μ‹œκ°„ 슀트리밍이 κ°€λŠ₯ν•˜λ©°,  μˆ˜μ€‘ 100m κΉŠμ΄κΉŒμ§€ λ“€μ–΄κ°ˆ 수 μžˆμŠ΅λ‹ˆλ‹€.  μžλ™ 심도 및 μžλ™ λ°©ν–₯ 컨트둀이
πŸ‘  , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,
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vote your-acct "leomichael" "it-story-fifish-p3" 100 true
post_comment your-acct "re-leomichael-it-story-fifish-p3-20180220t030137161z" "leomichael" "it-story-fifish-p3" "" "your reply.." "{}" true

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· @freyablekman · (edited)
$164.97
What does an experimental particle physicist do: the simple answer
The shortest answer of what experimental particle physicists do is

_"we break particles to check what is inside and then build cameras to actually look at the broken particles. Then we interpret what is inside"_

this is of course the most simplistic way to look at particle physics, like a child who breaks up a toy to see how it works. 

And I get to use fancy equipment to do this, like the great [Compact Muon Solenoid](https://cms.cern/) detector. Here with another pic of me with my detector:
<center>
![](https://steemitimages.com/DQmZE6V2i6JempxqJfEQo7wN9w6uTu5BgVDh3fw3yjHNXzf/image.png)
_The CMS experiment in 2010, and I found a helmet to match my sweater! Photo by J. van der Heuvel_
</center>

However the metaphor is not as far as you would think, we just use fancier machines to look inside smaller and smaller spaces.  This has for example already been explained in this excellent [Saturday Morning Breakfast Cereal](https://www.smbc-comics.com/?id=3554) comic. 

<center>
![To the Collider!](https://steemi
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vote your-acct "freyablekman" "what-does-an-experimental-particle-physicist-do-the-simple-answer" 100 true
post_comment your-acct "re-freyablekman-what-does-an-experimental-particle-physicist-do-the-simple-answer-20180220t030137174z" "freyablekman" "what-does-an-experimental-particle-physicist-do-the-simple-answer" "" "your reply.." "{}" true

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· @spederson ·
$128.79
Big Falcon Rocket - The Challenges (part two)
# The Challenges for Space X's Big Falcon Rocket
#### (Part two of three)

In my <a href="https://steemit.com/education/@spederson/big-falcon-rocket-the-challenges-part-one ">first post</a> concerning Space X's Big Falcon Rocket (BFR), I discussed issues associated with the rocket decent, payload bay including crew quarters, and likely affects these travelers can expect to deal with.  I will now expand on each of these issues to provide a more clear understanding of the specifics associated with each factor.

##### Sensory Conflict

When one enters space, there is no way to know whether you are up, down, left, or right.  Weightlessness puts your body in a floating sense which does not allow you full control of your sensory receptors.  As different receptors send signals to the brain, they may conflict with each other.  Due to this sensory conflict, your body experiences different sensations such as headaches, vomiting, nausea, irritability, and discomfort.  Approximately 40% of astronauts experience these sym
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vote your-acct "spederson" "big-falcon-rocket-the-challenges-part-two" 100 true
post_comment your-acct "re-spederson-big-falcon-rocket-the-challenges-part-two-20180220t030137194z" "spederson" "big-falcon-rocket-the-challenges-part-two" "" "your reply.." "{}" true

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· @sammosk ·
$79.65
Microscopic Monday- Sixth Edition- Fraser Island Rainbow Sands!
<center>
# Welcome to another edition of Microscopic Monday!
</center>

## Today we have the beautiful rainbow sands of Fraser Island! It is one of many wonders that the island is known for! But definitely one of the few we could take a microscope to! 


### Let's get to the grit of the matter! 

###### Shrink ray activated!

<br>
<hr>

![WIN_20180218_17_28_45_Pro.jpg](https://steemitimages.com/DQmc5YK9dFsbS4CRRuK5YgoW7hrAStZ9BUpD7TeFKqkrrXM/WIN_20180218_17_28_45_Pro.jpg)

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vote your-acct "sammosk" "microscopic-monday-sixth-edition-fraser-island-rainbow-sands" 100 true
post_comment your-acct "re-sammosk-microscopic-monday-sixth-edition-fraser-island-rainbow-sands-20180220t030137202z" "sammosk" "microscopic-monday-sixth-edition-fraser-island-rainbow-sands" "" "your reply.." "{}" true

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· @ngans · (edited)
$128.77
Molecules to Mental States: Psychological Stress and Cell Death
<html>
<p><img src="https://images.unsplash.com/photo-1453847668862-487637052f8a?ixlib=rb-0.3.5&amp;ixid=eyJhcHBfaWQiOjEyMDd9&amp;s=71b0722e782981af817242fdda624736&amp;auto=format&amp;fit=crop&amp;w=1955&amp;q=80" width="1955" height="1295"/></p>
<p><strong>Molecular Mechanisms that Underlie Psychological Stress</strong></p>
<p>This post builds off my previous posts: <a href="https://steemit.com/neuroscience/@ngans/is-your-brain-too-excited-neurodegeneration-by-over-stimulation"><em>Is Your Brain Too Excited?! Neurodegeneration By Over-Stimulation</em></a>, and <a href="https://steemit.com/neuroscience/@ngans/neural-plasticity-shaping-how-we-view-ourselves"><em>Neural Plasticity: Shaping How We View Ourselves</em></a>. I will attempt to illustrate the balance that our biology manages between its capacity to learn and adapt and its resilience to deleterious phenomena. One concept that serves as an important on-ramp to this topic is the β€˜Critical Period,’ which I describe in my post <a href="https://steemi
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vote your-acct "ngans" "molecules-to-mental-states-psychological-stress-and-cell-death" 100 true
post_comment your-acct "re-ngans-molecules-to-mental-states-psychological-stress-and-cell-death-20180220t030137206z" "ngans" "molecules-to-mental-states-psychological-stress-and-cell-death" "" "your reply.." "{}" true

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· @justtryme90 · (edited)
$122.62
Research News: New Insights Into How Ketamine Stops Depression
Today in high impact science Research News we discuss a publication from [Nature titled "Ketamine blocks bursting in the lateral habenula to rapidly relieve depression."](https://www.nature.com/articles/nature25509) Where researchers from Zhejiang University in China have been studying the mechanism behind which Ketamine has its anti-depressive effects.

<center>https://farm4.staticflickr.com/3177/3554427818_895a3b9c3c.jpg</center>

<hr>

<div class=pull-left><center>https://steemitimages.com/DQmb1KR1L5AgGuoMwdnkWqpyD22U1RDV9G57iNWN9cSRdwM/image.png
</center> <center> The molecular structure of ketamine </center></div>

I am sure many of you know the name of the drug Ketamine, or Special K as it might be called in a "street pharmaceutical" format. It's a fairly commonly used anesthetic in surgeries, as it gives people a trance like state, where the sensation of pain is reduced and also has the convenient effect of causing memory loss. [[2](https://www.drugs.com/pro/ketamine-injection.html)], which is perfect 
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vote your-acct "justtryme90" "research-news-new-insights-into-how-ketamine-stops-depression" 100 true
post_comment your-acct "re-justtryme90-research-news-new-insights-into-how-ketamine-stops-depression-20180220t030137222z" "justtryme90" "research-news-new-insights-into-how-ketamine-stops-depression" "" "your reply.." "{}" true

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· @proteus-h · (edited)
$61.57
Electrical Component Basics: The Electromechanical Relay
Here begins a new series of posts I'd like to do on different basic electrical components and how they work. I'll begin with the relay, a type of electric on/off switch.

The reason I'm starting with the relay instead of more basic components is because I have at least one mini-project coming up involving relays and want to cover some of the background here. 

The most basic relay is an electromechanical device that lets you turn a switch on or off using electricity. A relay is *sort of* like a magnetic mechanical "transistor" (kind of...).

## Relays: What They Do

The most simple relay is a moderately sized black box (usually a few centimeters across) with four pins. The electrical schematic symbol usually looks like this:

![](https://steemitimages.com/DQmQKdeR9YomPngFFBM9Cf3w1Zs2eMoPfuWxuE8zYqcWfZw/image.png)
*Four-pin relay schematic symbol*
*[Credit](https://commons.wikimedia.org/wiki/File:SPST-NO_relay_symbol.svg)*

Before I cover *how* relays work, let's look at what they actually do. When a relay is 
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