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Search results for Brownian motion

Nanophysics Aug 21, 2014

Neutrons investigate Einstein diffusion to support hopes for carbon nanotechnology revolution

Interest in carbon and its use in new technologies is very high right now. A lot of commercial and academic research and development is going into making nanometre sized systems out of it. In recent years these types of carbon ...

Cell & Microbiology Aug 14, 2014

Inside the cell, an ocean of buffeting waves

Conventional wisdom holds that the cytoplasm of mammalian cells is a viscous fluid, with organelles and proteins suspended within it, jiggling against one another and drifting at random. However, a new biophysical study led ...

General Âé¶¹ÒùÔºics Jul 31, 2014

Tiny magnets, huge fields: Nanoscale ferromagnetic electrodes create chemical equivalent of solid-state spin valve

In the study of ways to determine the position of and manipulate magnetic nanoparticles – a capability that would benefit a wide range of applications – there's good news and bad: While a magnetic gradient force field ...

Nanophysics Jul 30, 2014

World's smallest propeller could be used for microscopic medicine

If you thought that the most impressive news in shrinking technology these days was smart watches, think again. Scientists are quietly toiling in their laboratories to create robots that are only nanometers—billionths of ...

Polymers Jul 28, 2014

Seeing is bead-lieving: Scientists create model 'bead-spring' chains with tunable properties

Rice University researchers are using magnetic beads and DNA "springs" to create chains of varying flexibility that can be used as microscale models for polymer macromolecules.

Cell & Microbiology Jul 2, 2014

Stressed yeast paint a picture of Dorian Gray

We all pass unwanted stuff on to our children—emotional baggage, peculiar habits, unfashionable furniture. Cells do the same thing when they divide; along with their newly replicated genomes and the vital cellular organelles, ...

General Âé¶¹ÒùÔºics May 27, 2014

New model uses the laws of molecular fluid dynamics to aid the analysis of financial markets

A new model to aid the analysis of financial markets uses the laws of molecular fluid dynamics to describe order-book transactions.

Condensed Matter May 13, 2014

Rounding up the BCATs on the Space Station

Although it may not be herding cats exactly, all the NASA-supported Binary Colloidal Alloy Tests (BCAT) studies have ended on the International Space Station, and the experimental samples are being rounded up and returned ...

Nanophysics May 4, 2014

New method for measuring temperature of nanoscale objects discovered

Temperature measurements in our daily life are typically performed by bringing a thermometer in contact with the object to be measured. However, measuring the temperature of nanoscale objects is a much more tricky task due ...

Nanophysics Apr 9, 2014

JILA's short, flexible, reusable AFM probe

(Âé¶¹ÒùÔº) —JILA researchers have engineered a short, flexible, reusable probe for the atomic force microscope (AFM) that enables state-of-the-art precision and stability in picoscale force measurements. Shorter, softer ...

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