麻豆淫院

Search results for Brownian motion

General 麻豆淫院ics Nov 19, 2008

How do bacteria swim? 麻豆淫院icists explain

Imagine yourself swimming in a pool: It's the movement of your arms and legs, not the viscosity of the water, that mostly dictates the speed and direction that you swim.

Nanomaterials Jul 30, 2008

Nanojewels made easy

Butterfly wings, peacock feathers, opals and pearls are some of nature's jewels that use nanostructures to dazzle us with color. It's accomplished through the way light reaches our eyes after passing through the submicroscopic ...

Jun 30, 2008

New electrostatic-based DNA microarray technique could revolutionize medical diagnostics

The dream of personalized medicine 鈥 in which diagnostics, risk predictions and treatment decisions are based on a patient's genetic profile 鈥 may be on the verge of being expanded beyond the wealthiest of nations with ...

Jun 19, 2008

Microscopic 'clutch' puts flagellum in neutral

A tiny but powerful engine that propels the bacterium Bacillus subtilis through liquids is disengaged from the corkscrew-like flagellum by a protein clutch, Indiana University Bloomington and Harvard University scientists ...

Apr 22, 2008

Findings a step toward making new optical materials

Chemical engineers have developed a "self-assembling" method that could lead to an inexpensive way of making diamondlike crystals to improve optical communications and other technologies.

Other Apr 10, 2008

Picture this: Explaining science through drawings

If a picture is worth a thousand words, creating one can have as much value to the illustrator as to the intended audience. This is the case with "Picturing to Learn," a project in which college students create pencil drawings ...

Mathematics Feb 15, 2008

Brain waves pattern themselves after rhythms of nature

The same rules of physics that govern molecules as they condense from gas to liquid, or freeze from liquid to solid, also apply to the activity patterns of neurons in the human brain. University of Chicago mathematician Jack ...

General 麻豆淫院ics Jan 23, 2008

Videos Extract Mechanical Properties of Liquid-Gel Interfaces

Blood coursing through vessels, lubricated cartilage sliding against joints, ink jets splashing on paper鈥攍iving and nonliving things abound with fluids meeting solids. However important these liquid/solid boundaries may ...

Dec 20, 2007

'Kind and Gentle' Molecular Machine Could Operate at Near-Equilibrium

Molecular machines 鈥 tiny machines made of molecules that do mechanical work 鈥 are usually thought to operate in a state of non-equilibrium. This makes sense, considering that macro-sized machines operate at non-equilibrium, ...

General 麻豆淫院ics Mar 21, 2007

Scientists create microscopic alphabet

UCLA scientists have designed and mass-produced billions of fluorescent microscale particles in the shapes of all 26 letters of the alphabet in an 鈥渁lphabet soup鈥 displaying 鈥渆xquisite fidelity of the shapes.鈥

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