Search results for fractal

Nanomaterials Dec 2, 2011

Simple technique results in surprising repellency results

(PhysOrg.com) -- Anyone who has ever worn eyeglasses for any length of time can surely attest to the annoyance of constantly having to clean off the oil left behind by finger touching. Not only does it dirty the lens, but ...

General Physics Nov 30, 2011

Uncovering Da Vinci's rule of the trees

As trees shed their foliage this fall, they reveal a mysterious, nearly universal growth pattern first observed by Leonardo da Vinci 500 years ago: a simple yet startling relationship that always holds between the size of ...

Biotechnology Nov 21, 2011

Seeing cancer in three dimensions

One of the hallmarks of cancer cells is that certain regions of their DNA tend to get duplicated many times, while others are deleted. Often those genetic alterations help the cells become more malignant — making them ...

Other Nov 14, 2011

Libel case against the scientific journal Nature begins

(PhysOrg.com) -- The British science journal Nature, which publishes both purely academic papers and editorial pieces, is being sued in a British court by a former editor of the theoretical physics journal Chaos, Solitons ...

Mathematics Oct 13, 2011

Beautiful math of fractals

(PhysOrg.com) -- What do mountains, broccoli and the stock market have in common? The answer to that question may best be explained by fractals, the branch of geometry that explains irregular shapes and processes, ranging ...

Superconductivity Aug 22, 2011

Etch-a-sketch with superconductors

Reporting in Nature Materials this week, researchers from the London Centre for Nanotechnology and the Physics Department of Sapienza University of Rome have discovered a technique to 'draw' superconducting shapes using an ...

Space Exploration Aug 4, 2011

How does microgravity affect astronauts?

Anyone over 40 knows firsthand the effects of gravity's constant downward pull on our faces and bodies. It is an immutable force that Einstein called a “curvature of space-time” -- but the curvature caused by gravity ...

Ecology Jul 18, 2011

New model predicts maximum tree height across the US

The next time you're outdoors, see if you can spot the tallest tree. If you're in the desert Southwest, this may be an easy task — trees there are few and far between, and tend to hunch low to the ground to conserve ...

General Physics Jul 6, 2011

Searching for fractals may help cancer cell testing

Scientists have long known that healthy cells looked and behaved differently from cancer cells. For instance, the nuclei of healthy cells -- the inner part of the cells where the chromosomes are stored -- tend to have a rounder ...

Mathematics Jun 16, 2011

Exploring tessellations beyond Escher

(PhysOrg.com) -- By incorporating geometrical concepts into his artwork, M. C. Escher demonstrated the potential beauty that could be achieved by combining mathematics and art. One of Escher's most well-known types of art ...

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