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Ryan Lanham
Attended Johns Hopkins
Lives in 3 Waterfall Close, Virginia Water, Surrey
515 followers|21,059 views
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Ryan Lanham

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Great animation demonstration of the "alternating tripod" gait that ants and other insects use. From http://www.cals.ncsu.edu/course/ent425/library/tutorials/external_anatomy/locomotion.html
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Ryan Lanham

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What you're looking at is a 3D visualization of a fly's thorax in action. The 3D animation, which was put together using data pulled from a particle accelerator, offers a glimpse into the inner workings of one of nature's most complex mechanisms.
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Pedal curve of an (11,3)-hypocycloid with respect to the origin.

For an interactive graph, see: https://www.desmos.com/calculator/rrs0ca6sk2
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Have him in circles
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Ryan Lanham

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This post is going to differ slightly from the data-orientated material that I usually publish. I was recently playing around with the Google trends API and came across some very interesting…well….trends. There has definitely been a huge amount of publicity surrounding “Big Data”, maybe even too much. For those of us who have been working […]
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Wheels within wheels

See that small heart-shaped curve?  It's a cardioid.  You get it when you roll a circle on a circle that's the same size, and track the motion of a point on the rolling circle.

The other curves here, with more bumps, are epicycloids.  You get them when you roll a circle on a circle that's 2 times as big, or 3 times as big, etc.

It turns out there's a nice way to 'roll' each epicycloid inside the next... and that's what you see here, in this image made by Gerard Westendorp.

However, as each one rolls inside the next, it has to slip, too, for the cusps (the sharp points) to line up.

For details and more pictures like this, see:

http://johncarlosbaez.wordpress.com/2013/12/03/rolling-hypocycloids/#comment-34678

#plane-geometry #rolling-circles
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An old thought of mine. Happy to see it done.
 
The car that runs on air: http://pops.ci/1mwc4Di
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Have him in circles
515 people
altLab DIT's profile photo
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Mad Tinker's profile photo
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Scott Maxwell's profile photo
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Hedge Fund Business Manager
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  • Hedge Fund Business Manager, present
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Map of the places this user has livedMap of the places this user has livedMap of the places this user has lived
Currently
3 Waterfall Close, Virginia Water, Surrey
Previously
Cincinnati, Ohio - Cayman Islands - Blacksburg, Virginia - Chicago, IL - Boston, MA - Baltimore, MD - Cincinnati, OH - Sea Island, GA - Green Lake, WI
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Married--happy, two kids.
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  • Johns Hopkins
    1981 - 1985
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Ryan Lanham's +1's are the things they like, agree with, or want to recommend.
On the rise of Big Data and Data Science
www.r-bloggers.com

This post is going to differ slightly from the data-orientated material that I usually publish. I was recently playing around with the Googl

Are the robots about to rise? Google's new director of engineering think...
www.theguardian.com

Ray Kurzweil popularised the Teminator-like moment he called the 'singularity', when artificial intelligence overtakes human thinking. But n

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www.r-bloggers.com

Reinaldo sent me this email a long while ago Could you recommend me a nice reference about measures to evaluate stochastic algorithms (in pa

Google Partnering With Foxconn to Test Industrial Robots
singularityhub.com

Perhaps in hindsight we all should have seen Google’s turn to robotics coming when, under Andy Rubin, the company dubbed its mobile operatin

Historic Sites | Historic Holidays | Historical Places | Historvius
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Discover the historic sites of the world, find historical sites and historic places to visit, get directions, key info and plan your perfect

Google acquires human-like AI company for $500 million, Skynet is now a ...
www.extremetech.com

Google has acquired the British artificial intelligence company DeepMind for $500 million. There is no doubt that this acquisition is linked

My Profund Skepticism of Success | In Their Own Words | Big Think
bigthink.com

Robert Pinsky: I think skepticism toward things like titles, good reviews, what the world calls distinctions, recognitions, can become mecha

Live with 1 Million People in a Futuristic Pyramid City - Industry Tap
www.industrytap.com

Dubai is building one of the wonders of the world, inspired by incredible feats of architecture of Mayans and Egyptians. They built the pyra

A teacher’s brilliant way to visualize gravity
www.farnamstreetblog.com

Dan Burns offers a brilliant hands-on explanation of how gravity works.

OpenShop video editor big in 2014 |
opensource.com

OpenShot video editor will be big news in 2014.

Flat-pack furniture assembled with magnets by Benjamin Vermeulen
www.dezeen.com

This range of flat-pack furniture by Benjamin Vermeulen simply snaps together with super-strong magnets.

Magic, maths and money: Reciprocity as the Foundation of Financial Econo...
magic-maths-money.blogspot.com

In the late 1960s, Fischer Black and Myron Scholes worked as investment consultants and one of the problems the pair addressed was the valua

Ryan Lanham
www.pearltrees.com

Pearltrees lets you collect, organize and share everything you like.

When tectonics killed everything
phys.org

A new paper reveals how the worst extinction in Earth's history may have been tied to the formation of Supercontinent Pangea. The catastroph

Pedal Power provides off-grid power while keeping you fit
www.gizmag.com

If you'd like to live off-grid but still maintain the option of power when you need it, then New York-based company Pedal Power might have y

HydroBee wants to be your personal hydroelectric generator
www.gizmag.com

There are already plenty of gadgets that allow people to charge their mobile devices while off the grid. Most of those products utilize sola

Map Your Twitter Followers
tweepsmap.com

Find where your Twitter followers located on a map. Map them by Country, State or city. Share your reports with friends

Communities should be paid for wind and solar in their neighbourhood - T...
www.telegraph.co.uk

Communities should be paid for allowing wind turbines and solar panels on public buildings, according to MPs.