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Gareth Robins
Attended University of Auckland
Lives in Auckland, New Zealand
7,167 followers|2,435,924 views
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Gareth Robins

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"Emails show [Chris Cristie]'s aides did plan bridge gridlock," says Salon. To a transportation engineer, the aides are innocent: bridges can't have gridlock. While we often say "gridlock" to mean "bad traffic," it has a technical meaning. Traffic jam in Haikou, Hainan, China 01.jpg ...
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That's fascinating!
Your thoughts on Aucklands traffic overall?
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Don't choke
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Hahahaha, oh dear +stuff.co.nz​
The Internet's visual storytelling community. Explore, share, and discuss the best visual stories the Internet has to offer.
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Well Stuffs proof reader is a bit of a dead loss, I have to say.
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Facebook and IoT... Yeah that's not going to end well.
At Facebook's F8 developers conference today, the social network announced a software developer kit for building applications for internet-connected devices on its Parse platform. Called Parse for IoT--or Internet of Things, the buzzy term for the expanding world of internet-connected devices--the development kit gives device device makers the ability to easily build apps. Facebook bought [...]
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Nicely written.
Whatever happens, the Australia-New Zealand World Cup final at the MCG will be the most divine fun
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+David Robins we do have a solution. https://youtu.be/V7UscXRYKz4
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Have him in circles
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Choked.... Typical for NZ in finals
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Cool
IOGraph — is an application that turns mouse movements into modern art. Run it, do your usual daily stuff at the computer and after a while you can grab a nice picture of what you’ve done!
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Brian Koberlein originally shared:
 
Darker Matter

There’s nothing like dark matter to fire up a discussion about astrophysics. We have lots of evidence to support dark matter, and we’ve determined some of it’s physical properties such as the fact that it is cold rather than hot (ruling out things like neutrinos). But because we don’t know everything about dark matter, and since we haven’t directly detected dark matter particles in a lab, there are constant accusations from the general public that dark matter is just a “patch” over our ignorance, or that astronomers have simply made up dark matter in order to keep the status quo (and our jobs) alive. If we can’t see it, the argument goes, then we can’t be certain it exists. Except we can see it, such as the blue smudges in the image above.

The image shows a false-color representation of dark matter in six different galaxy clusters. Just as we can’t see infrared directly, but can detect it’s presence through CCD camera, we can detect dark matter by its gravitational effects on background light. The images are part of a recent work that analyzed the dark matter distribution in 72 colliding galaxy clusters. The results have further defined the nature of dark matter. For one thing, the distribution of regular matter and dark matter are distinctly different in these clusters. So much so that the team can validate the existence of dark matter to 7.6σ. In other words, the chance of these results being a false positive is 1 in 3 x 10-14. It’s hard to get more certain than that, so if anyone wants see direct evidence of dark matter, show them the above image.

But the results didn’t stop there. Because these are colliding galaxy clusters, the dark matter from each region is colliding as well. Since dark matter is diffuse rather than clumped into stars, when dark matter collides it will interact, and the strength of this interaction can be determined by the resulting distribution. We measure the interaction strength of particles as a cross section, and this work shows that the self-interaction cross section for dark matter is less than 0.47 cm2/g. This is quite small, and it means that not only is dark matter weakly interacting with regular matter, it’s weakly interacting with itself. Basically, it’s even darker than we thought.

This constraint is strong enough that it eliminates some of the models trying to extend the standard model of particle physics. It also puts into question some of the claims of gamma rays being produced by colliding dark matter. There are still things to learn about dark matter, and we’d still love to detect dark matter directly, but the claim that dark matter might not exist is untenable at this point.

Paper: Harvey et al. The nongravitational interactions of dark matter in colliding galaxy clusters. 347 (6229): 1462-1465 (2015)
A study of 72 colliding galaxy clusters has found that dark matter is not only real, it interacts with itself even less than we thought.
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Built a wee UDP real time graph running of streaming sensor data from my phone.

Totally hacky... but kinda cool
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I'll see if I can fire it again. If u fork it install an app called sensor node to stream 
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Have him in circles
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Work
Occupation
Analytics Engineer
Places
Map of the places this user has livedMap of the places this user has livedMap of the places this user has lived
Currently
Auckland, New Zealand
Previously
Brisbane, Australia - Alderney, Channel Islands, UK - Guernsey, Channel Islands, UK - Feltham, middx, UK - Weybridge, middx, UK
Contact Information
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+6421682111
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Auckland, New Zealand
Story
Tagline
I'm some dude that was born, learned to do some basic stuff, went to school for AGES, went to hard school for a bit of paper, worked a while, then a bit more, found a girl & married her, worked some more, reproduced, changed life around, reproduced again, found a camera, started learning stuff all over again, got fat, bought a bike, pedalling lots, getting thinner. Oh, and I do stuff with numbers, lots of them.
Introduction
I'm told people actually read these, so here's the main pieces to me.  The rest you'll have to figure out.


I Like People that Discuss Things
Google+ has become a diverse source of information for me.  My circles are varied and I have cultivated them so that their occupants are thoughtful commenters that like to respond.  Please be one of those people.

I post on varied subjects
I will post on everything from lolcats to quantum theory.  If I find something I thinkis cool, I'll share it.  But I wont post too much or too frequently, and try to restrict posts to the relevant community.

I love data analysis
It's my job, and I tend to analyse most things I come across. I specialise in operations analysis, so supermarket queues can be a fun time for me.  I love seeing the opportunities to improve efficiency, or reduce complexity in processes.

Honesty is Very Important to me
If I post something that you don't like, please say so.  I might not remove it or change my position but I still would like to have the discussion.  We're swayed by the people around us, and I have many opinions/thoughts that are derived from other's input.  Part of the sharing experience in Google+ is meeting people that aren't afraid to impart some knowledge my way.

I Very Rarely Get Offended.
I post links, comments, and photos to start a discussion or gain your feedback. If you don't like what I say, tell me, or disagree with me. But since my kids often see my stream I wont tolerate bullying, nudity, or porn in my feed, you will be blocked.
Bragging rights
I have landed a Concorde
Education
  • University of Auckland
    BSc - Physiology, 1994 - 1997
Basic Information
Gender
Male
Gareth Robins's +1's are the things they like, agree with, or want to recommend.
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Cost of most common medical procedures at US Hospitals based on CMS data
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