Search results for Brownian motion

Nanophysics Jul 26, 2012

New-generation sensor combines lasers and mechanics

(Phys.org) -- Swiss scientists have developed a rapid, precise opto-mechanical measurement system that can be embedded into a silicon chip. This new technology could revolutionize the domain of sensors and atomic force microscopy.

General Physics Jun 29, 2012

Probing the secrets of unmagnetized magnets

EPFL physicists studying magnetic materials have discovered that they have some unexpected properties. Their research could lead to the development of even tinier magnets in the future.

Mathematics May 15, 2012

Spurious switching points in traded stock dynamics

Physicists have rebuffed the existence of power laws governing the dynamics of traded stock volatility, volume and intertrade times at times of stock price extrema. They did this by demonstrating that what appeared as "switching ...

General Physics May 8, 2012

Researchers unlock mystery of how 'handedness' arises

The overwhelming majority of proteins and other functional molecules in our bodies display a striking molecular characteristic: They can exist in two distinct forms that are mirror images of each other, like your right hand ...

Materials Science Apr 18, 2012

A guide to self-assembly

Imagine gently shaking a box of Lego building blocks, and then looking inside to find a series of complete structures.

Nanophysics Jan 9, 2012

Peering into the interfaces of nanoscale polymeric materials

(PhysOrg.com) -- The development of polymer nanostructures and nanoscale devices for a wide variety of applications could emerge from new information about the interplay between nanoscale interfaces in polymeric materials, ...

Mathematics Oct 31, 2011

Mathematically detecting bubbles before they burst

From the dotcom bust in the late nineties to the housing crash in the run-up to the 2008 crisis, financial bubbles have been a topic of major concern. Identifying bubbles is important in order to prevent collapses that can ...

General Physics Oct 7, 2011

Eddies in Einstein's formula

(PhysOrg.com) -- How does a microscopic particle behave in a liquid? New results published in the journal Nature show that Einstein’s formula for describing this situation needs a little adjustment. This will in turn ...

Nanophysics May 30, 2011

NIH grant ratchets up ASU research in molecular motors

Empowered by a $1.2 million grant from the National Institutes of Health (NIH), Arizona State University scientist Wayne Frasch is deciphering how one of the world’s smallest molecular motors works in living cells. In ...

Biochemistry May 25, 2011

Where no lab has gone before: Single-Molecule Electrokinetic Traps

(PhysOrg.com) -- To study the behavior of large protein complexes and long DNA chains in solution, researchers use so-called molecular traps. However, earlier traps have proven ineffective when working with small molecules ...

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