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Zeno's Quantum Paradox Reversed: Watching A Flying Arrow Increase Its Speed

Zeno's Quantum Paradox Reversed: Watching A Flying Arrow Increase Its Speed

04.06.2000
Chemistry
Is motion an illusion? Can 'glimpses' freeze radioactive decay?   For over 2,500 years, scientists and philosophers have been grappling with Zeno of Elea's famous paradox. More recently, scientists believed that the counterpart of this paradox, known as the quantum Zeno paradox, is realizable in the microscopic world governed by quantum physics.    
Gamma Ray Hide & Seek

Gamma Ray Hide & Seek

16.05.2000
Draping the earth and entire universe in a thin, ever-present veil, their origin remains one of the greatest puzzles of cosmology. However, the mystique of gamma rays -- particles of light comprising the most energetic and penetrating form of electromagnetic radiation -- may soon diminish thanks to research by Dr. Eli Waxman of the Weizmann Institute's Condensed Matter Physics Department together with Prof. Abraham Loeb of the Harvard-Smithsonian Center for Astrophysics.  
What's The Whole Truth About 'Less Than Whole' Electron Charges?

What's The Whole Truth About 'Less Than Whole' Electron Charges?

16.05.2000
Particle Physics
What is the smallest negative electric charge you can think of? Chances are that you quickly responded: 'an electron.' Indeed, ever since American physicist Robert Andrews Millikan first measured the charge of an electron nearly 80 years ago, this value has been widely regarded as the smallest basic unit of electric charge. Scientists consequently viewed the electrons that make up an electric current as a flow of negatively charged, indivisible 'balls.'  
Molecular Footprints And Memory Squeeze-Downs

Molecular Footprints And Memory Squeeze-Downs

16.05.2000
Nanoscience, Materials Science
Is your music collection taking up too much space? How would you like to pack all of your music onto a single CD? Weizmann Institute scientists have recently taken a large step toward this miniaturization target.    
The Nominating Committee of the Weizmann Institute has Recommended to the Board of Governors to Elect Prof. Ilan Chet for the Position of Institute President

The Nominating Committee of the Weizmann Institute has Recommended to the Board of Governors to Elect Prof. Ilan Chet for the Position of Institute President

01.05.2000
Mr. Gershon Kekst of New York, Chairman of the Weizmann Institute's Board of Governors, speaking in the name of the Institute's Nominating Committee, announced the candidacy of Prof. Ilan Chet for the position of Institute President.    
Amoebas Use 'Midwives' To Reproduce

Amoebas Use 'Midwives' To Reproduce

21.03.2000
Space & Physics, Biochemistry, Systems Biology, Viruses & Microorganisms, Molecular and Cell Biology, Disease, Drugs & Diagnostics
Weizmann Institute Scientists Discover: Amoebas Use 'Midwives' To Reproduce  
A First: Scientists Control The Properties of Semiconductor Devices Using Organic Molecules

A First: Scientists Control The Properties of Semiconductor Devices Using Organic Molecules

09.03.2000
Materials Science, Organic Chemistry
Weizmann Institute scientists have made an important step towards harnessing organic molecules to future electronics. Reported in the March 9th issue of Nature, their approach places common semiconductor-based devices -- for the first time ever -- under the control of organic molecules.  
Scientists Block Loss Of Eyesight In Animals With A Glaucoma-Like Disease

Scientists Block Loss Of Eyesight In Animals With A Glaucoma-Like Disease

06.03.2000
Brain & Behavior, Disease, Drugs & Diagnostics, Yeda Technology Transfer
Weizmann Institute scientists have succeeded in stopping the progressive loss of eyesight in animals with a glaucoma-like disease. Their innovative study, reported in the March 6, 2001 issue of the Proceedings of the National Academy of Sciences U.S.A., suggests that Copaxone, a drug developed at the Weizmann Institute of Science to treat multiple sclerosis, may also stop, or at least slow down, the loss of eyesight in people with chronic glaucoma.  
'Biomechanical Switch' Regulates How Cells Stick Together And Communicate

'Biomechanical Switch' Regulates How Cells Stick Together And Communicate

28.02.2000
Molecular and Cell Biology, Disease, Drugs & Diagnostics
Weizmann Institute scientists propose a model regulating cell adhesion -- central to embryonic development, cellular movement, and communication 'Hard times,' or more specifically, exposure to rigid environments, enhances the tendency of cells to form tight adhesions and communicate, according to a recent Weizmann Institute study published in the March issue of Nature Cell Biology. The findings reveal a new parameter regulating cell attachment, namely, the physical properties of the immediate surroundings.
A Superconductor's 'Electric Memory'

A Superconductor's 'Electric Memory'

13.02.2000
Space & Physics
Weizmann Institute scientists have managed to explain how superconductors penetrated by magnetic fields 'remember' the physical properties of electrical currents

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