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David Cahen

Prof. David Cahen
Prof. David Cahen
23.10.2007

Prof. David Cahen 

(l-r) Prof. Antoine Kahn, Dr. Oliver Seitz, Prof. David Cahen and Dr. Ayelet Vilan. Changing chemical bonds
Introducing Impurity
01.10.2007
Chemistry, Nanoscience, Materials Science
Doping nanomaterials improves their electrical properties
A New Technique May Speed the Development of Molecular Electronics
A New Technique May Speed the Development of Molecular Electronics
26.07.2007
Nanoscience, Materials Science, Organic Chemistry

THE INSIDE DOPE

 

Often, things can be improved by a little '...

Sensing Trouble
Sensing Trouble
01.10.2006
Space & Physics, Materials Science, Organic Chemistry, Diagnostic Techniques and Drugs

A mini-sensor on a chip could detect everything from asthma to explosives

Bacteriorhodopsin-containing microorganisms give these evaporation ponds near San Francisco their color
Live Wire
01.10.2006
Viruses & Microorganisms, Evolution and Development, Organic Chemistry, Structural Biology
A bacterial protein for absorbing sunlight turns out conduct electricity much better than it should
Prof. David Cahen and Ph.D. student Adi Salomon. Switching bonds
Making a Switch
01.10.2005
Materials Science, Organic Chemistry

Molecular chemistry gives scientists clues to building ultra-tiny switches

Switching to Chemistry
Switching to Chemistry
01.04.2005
Nanoscience, Materials Science, Organic Chemistry
New kind of electrical switch formed from organic molecules could be used in the future in nanoscale...
(l-r) Dr. Sidney Cohen, Dr. Iris Visoly-Fisher and Prof. David Cahen. Solar science
The Effect of the Defect
01.10.2004
Energy, Materials Science

Why do defects in certain materials improve their solar-collecting capabilities?

Illustration: increasing water consumption
Water
01.05.2004
Environment, Energy, Plants and Agriculture, Materials Science, Organic Chemistry

Weizmann Institute researchers are developing scientific approaches to efficient and sophisticated water management....

illustration: enjoying the sunlight
Solar Energy
01.05.2004
Environment, Energy, Plants and Agriculture, Materials Science, Organic Chemistry
In contrast to fossil fuels, the sun provides a clean, cost-free, and virtually inexhaustible source of energy.

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One Protein, Two Programs

A cell’s decision to commit suicide involves an exchange of information between two suicide mechanisms

The Coin Toss Paradox

Can a game with “quantum” rules beat the odds?

The Limits of Computing

Computers can solve complex problems but they are far from omnipotent. Prof. Ran Raz of the Weizmann Institute's Computer Science and Applied Mathematics Department is trying to portray the limits...