Some trajectory orbits are aperiodic, meaning that they do not repeat themselves on any time scales.    From Wordnik.com.  [Chaos] Reference

Periodic and aperiodic temporal responses are very likely the norm.    From Wordnik.com.  [National Post Today « Climate Audit] Reference

Naturally occurring aperiodic crystals that matched Penrose Tilings.    From Wordnik.com.  [A Third Choice (ID Hypothesis)] Reference

I mapped various aperiodic tilings onto the faces of the dodecahedron.    From Wordnik.com.  [Wolfram Blog : Making the Mathematica 6 Spikey] Reference

Penrose points to aperiodic tiling for his non-algorithmic explanation.    From Wordnik.com.  [A Third Choice (ID Hypothesis)] Reference

This map obviously exhibits only orbits that are unstable and aperiodic.    From Wordnik.com.  [Chaos] Reference

Like a big, macroscopic, aperiodic quasi-crystal complete with embedded dislocations.    From Wordnik.com.  [Rimstone Formation - The Panda's Thumb] Reference

It was a very near facsimile of an aperiodic pattern he had created twenty years ago.    From Wordnik.com.  [Boing Boing: April 14, 2002 - April 20, 2002 Archives] Reference

Chaos, then, appears to be unstable aperiodic behavior in nonlinear dynamical systems.    From Wordnik.com.  [Chaos] Reference

After Hao Wang/Berger proved aperiodic tilings exist in 1966, people tried to find them.    From Wordnik.com.  [Coordinated Evolution] Reference

In 1984, Quasicrystals were found that matched Penrose's nonalgorithmic, aperiodic tiling.    From Wordnik.com.  [Coordinated Evolution] Reference

There are hundreds of various periodic as well as aperiodic processes that affect the climate.    From Wordnik.com.  [Is Gavin Schmidt Honest? « Climate Audit] Reference

Like in ecosystems, things in a steady state economy are changing constantly in both periodic and aperiodic ways.    From Wordnik.com.  [Herman Daly Festschrift~ Toward a sustainable and desirable future~ a 30 year collaboration with Herman Daly] Reference

Like in ecosystems, things in a steady-state economy are changing constantly in both periodic and aperiodic ways.    From Wordnik.com.  [An Introduction to Ecological Economics~ Chapter 2] Reference

Are Penrose's instincts correct that he solved the aperiodic tiling problem instinctually instead of algorithmically?.    From Wordnik.com.  [A Third Choice (ID Hypothesis)] Reference

The Castor C twin suns produced strong ultraviolet only during the aperiodic flare times, and he could stand very little of it.    From Wordnik.com.  [Through The Eye Of A Needle]

Korea had developed a navy not only under the impetus of on-going attacks by the Japanese pirates, but also because of aperiodic incursions of Jurchen pirates from Manchuria.    From Wordnik.com.  [1590s Military Technology Gaps] Reference

It's time for our aperiodic wrap-up of Google items.    From Wordnik.com.  [CNET News.com] Reference

The robot may also have some aperiodic tasks, such as obstacle avoidance and communication.    From Wordnik.com.  [Engineering Hardware-Software] Reference

A Penrose tiling is an aperiodic tiling consisting of only two tiles and containing five-fold symmetry.    From Wordnik.com.  [domesticat.net - Comments] Reference

The sequence of grid points between those segments is aperiodic; in the limit, it approaches the infinite.    From Wordnik.com.  [Ernie's 3D Pancakes] Reference

Such atoms tend to form highly aperiodic structures, simmilar to hyperlattices, used in heterojuctions by semiconductor industry.    From Wordnik.com.  [PhysOrg.com - latest science and technology news stories] Reference

It seems to me that aperiodic crystals would be something like necessary for information to be carried, but surely not sufficient.    From Wordnik.com.  [ScienceBlogs Channel : Life Science] Reference

The power density spectrum usually exhibits two components: a band-limited aperiodic variability, and quasi-periodic oscillations.    From Wordnik.com.  [ESA Science & Technology] Reference

Not only are there periodic fluctuations (about. 1% during the roughly 11 year sunspot cycles), but there are aperiodic fluctuations.    From Wordnik.com.  [Discover Blogs] Reference

To achieve that, the circuit uses a timing device, called a clock generator, that produce trains of periodic or aperiodic clock pulses.    From Wordnik.com.  [Recently Uploaded Slideshows] Reference

“the qualitative study of unstable aperiodic behavior in deterministic nonlinear systems” (Kellert 1993, p. 2).    From Wordnik.com.  [Chaos] Reference

Since pi is irrational, and thus aperiodic, it’s actually quite possible that it DOES contain all sorts of possible “messages”.    From Wordnik.com.  [Elliott Sober: What is wrong with Intelligent Design? - The Panda's Thumb] Reference

But aperiodic changes may also play a role.    From Wordnik.com.  [Citizendium, the Citizens' Compendium - Recent changes [en]] Reference

aperiodic playful gleam spectrophotometry ….    From Wordnik.com.  [Think Progress » Powell: ‘Staying the Course Isn’t Good Enough Because a Course Has to Have an End’] Reference

Restricting aperiodic data transmission.    From Wordnik.com.  [Marketwire - Breaking News Releases] Reference

# http: / / aperiodic. net / phil / prompt / local TERMWIDTH.    From Wordnik.com.  [Planet Ubuntu] Reference