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Date: 22 November 2009
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Research  
Records 841-856 of 856  |  Go to << Prior 1 ... 39 40 41 42 43 page 

New fuel cell design adds control, reduces complexity

Location: California, United States

When Princeton University engineers want to increase the power output of their new fuel cell, they just give it a little more gas – hydrogen gas, to be exact. Though the simple control mechanism was previously thought impossible, Jay Benziger, a...

Compute-intensive applications : The new Cell Accelerator Board

Location: Mercury computer sys., Chelmsford, MA 01824-2820 & Genesis Digital Imaging, Inc,Los Angeles, CA 90066, United States


The Institute of Medical Physics (Erlangen, Germany) Mercury Computer Systems (Chelmsford, Mass.) The Imaging Challenge Advances in sensor technology in Computed Tomography (CT) have created an increasing number of images per...

Research integrates photonic circuitry on a silicon chip

Location: cambridge, United States

In work that could lead to completely new devices, systems and applications in computing and telecommunications, MIT researchers are bringing the long-sought goal of "optics on a chip" one step closer to market.
In the January 2007...

Planetary Shakeup

Location: University of Colorado,440 UCB,Boulder, CO 80309-0440, United States

For astrophysicists working to discover the origins of stars and planets, a small clue can go a long way. They can’t get a close look at distant stars and planets, so they only know the barest details about other planetary systems. One such detail...

'Vortex Lattices' :New way to explain Material Defects

Location: University of Colorado,440 UCB,Boulder, CO 80309-0440, United States


By combining two cutting-edge laboratory creations--optical lattices and atoms in a Bose-Einstein condensate (BEC) spinning in a trap like planets orbiting the sun--physicists at JILA have developed a method of visualizing defects, or...

Neural rhythms: biophysics and dynamics

Location: 111 Cummington Street Boston, MA, United States


Low dimensional maps for gamma and theta oscillations.

Postdocs Dmitri Pervouchine, and Tay Netoff , along with J. White and Kopell, finished a paper using 1-D and 2-D maps to describe how 3-cell networks taken from the...

Flying on Hydrogen: Georgia Tech Researchers Use Fuel Cells to Power Unmanned Aerial Vehicle

Location: Atlanta, Georgia 30308, United States


Georgia Institute of Technology researchers have conducted successful test flights of a hydrogen-powered unmanned aircraft believed to be the largest to fly on a proton exchange membrane (PEM) fuel cell using compressed hydrogen.

The...

Flexible electronics with high-performance organic transistors.

Location: Stanford, CA, United States

With organic, or carbon-based, transistors in electronics specially in Flexible electronics could enable technologies such as low-cost sensors on product packaging and ''electronic paper'' displays as thin and floppy as a placemat. But the best...

A product-intent military portable power system with its Mobion®-30M product platform.

Location: Albany,NY, United States

Normally a system designed to produce potentially up to 600 Watt hours of run-time per cartridge which would allow airmen to power an average laptop over seven (7) times longer than its current Lithium-ion battery. In addition, since the...

VIBRATION AND NOISE

Location: Sydney, Australia


Dynamic modelling of gearbox vibration



To improve the current generation of diagnostic techniques, many researchers are actively developing advanced dynamic models of gear-case...

MATERIALS

Location: Sydney, Australia


The influence of welding parameters on induced residual stresses and fatigue properties of thin aluminium plates

From the standpoint of certain industries in Western Australia, there is a...

MECHATRONICS/ROBOTICS

Location: Sydney, Austria


Three-dimensional simulations of robots and modular manipulators using object-oriented programming methods

Work is currently being carried out to develop a program to model the kinematics...

HEAT TRANSFER

Location: Sydney, Austria


Heat transfer through narrow passages

Effective removal of internal heat generated by various system components is a major design challenge in the development of modern...

FLUID DYNAMICS

Location: Sydney, Australia


Hydrodynamic stability of boundary-layers

Our interests lie in the development and utilisation of novel computational methods to study fluid-flow phenomena. A novel discrete-vortex method...

BIOMECHANICS

Location: Sydney, Australia


Dynamics of the upper airway

This research seeks to understand the interaction of the (time-varying) human inspiratory airflow and the deformable tissue that characterises both the soft palate and the walls of the pharynx....

FLOW-STRUCTURE INTERACTION

Location: Sydney, Australia

Excitation of waves on a flexible wall in a fluid flow Perhaps the simplest problem that could be envisaged in flow-structure interaction is that of a flat elastic plate undergoing small amplitude oscillatory line-excitation in the...

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