[DOC] [TLE] Press Release, Extended Version - The Nobel Prize in Chemistry 1999 [PAR] This year's Nobel Laureate, Professor Ahmed Zewail, is rewarded for his ... Only 
recently have developments in laser technology enabled us to study such rapid ... 
When molecules undergo chemical reactions, their atoms move so fast that we ... 
This uses laser flashes of such short duration that we are down to the time. [DOC] [TLE] Freezing Atoms in Motion - Professor Ahmed Zewail - Caltech [PAR] by the awarding of the Nobel Prize to scanning tunneling micros- copy (1986), to 
... approach by demonstrating the use of light pulses in the study of a rapidly... [DOC] [TLE] Chemical Impact: Femtochemistry [PAR] Studying very fast reactions requires very special techniques, usually involving 
lasersdevices that produce high-energy bursts of light with very precise fre- 
quencies. ... demonstrated by the fact that the 1999 Nobel Prize in chemistry was 
awarded to Ahmed H. Zewail of ... now widely used in chemical research and are. [DOC] [TLE] Ahmed H. Zewail | American-Egyptian chemist | Britannica.com [PAR] Egyptian-born chemist who won the Nobel Prize for Chemistry in 1999 for 
developing a rapid ... technique that enabled scientists to study the action of 
atoms during chemical reactions. ... molecules by using a method based on new 
laser technology capable of producing light flashes just tens of femtoseconds in 
duration. [DOC] [TLE] Ahmed Zewail - Wikipedia [PAR] Ahmed Hassan Zewail was an Egyptian-American scientist, known as the "father 
of femtochemistry". He was awarded the 1999 Nobel Prize in Chemistry for his 
work on ... Zewail's key work was as a pioneer of femtochemistryi.e. the study of 
... Using a rapid ultrafast laser technique (consisting of ultrashort laser flashes),... [DOC] [TLE] American Chemical Society's highest honor goes to pioneer in ... [PAR] Mar 29, 2011 ... Zewail is being honored for developing ultrafast-motion imaging for the study of 
fundamental processes in chemistry, biology and materials ... with flashes of light 
that each lasted only some millionth of a billionth ... Since the Nobel Prize, he and 
his group have developed a new field ... Ahmed Zewail, Ph.D. [DOC] [TLE]    [PAR] Zewail's prize marked the 13th time that the Nobel chemistry prize has been ... of 
fundamental chemical reactions, using ultra-short laser flashes, on the time .... 
During his youth, they placed a sign reading Dr. Ahmed on his study room door. 
...... mechanical device so his molecular camera is a combination of ultrafast... [DOC] [TLE] Autobiography Ahmed Zewail . The Nobel Prize in Chemistry [PAR] This years laureate in Chemistry, Ahmed H. Zewail, has studied atoms and ... 
This uses laser flashes of such short duration that we are down to the time ... 
Femtochemistry enables us to understand why certain chemical reactions take 
place but not others. ... Scientists the world over are studying processes with 
femtosecond... [DOC] [TLE] Ahmed H. Zewail - Nobel Lecture [PAR] scales  is the wellspring of the eld of Femtochemistry, which is the study of 
molecular .... work, Norman Ramsey shared the 1989 Nobel Prize in Physics. 
Until 1800 ... The actual atomic motions involved in chemical reactions had never 
been ..... duced an intense burst of light and created radicals in the sample, and, 
using. [DOC] [TLE] Measuring the immeasurable : Article : Nature [PAR] Fast exposure: Ahmed Zewail used lasers as 'cameras' to study chemical 
reactions. ... A second pulse is then used to probe the system while the reaction 
is taking place. ... Every atom or molecule has a unique set of frequencies of light 
that it can ... Twelve years later, Zewail was awarded the Nobel prize in chemistry
. [DOC] [TLE]  Ahmed Zewail - Facebook [PAR] Ahmed Zewail is the Linus Pauling Chair professor of chemistry and professor of 
... Voyage Through Time: Walks of Life to the Nobel Prize, American University in 
... of fundamental chemical reactions, using ultra-short laser flashes on the time ... 
field of study in what we refer to as four-dimensional (4D) structural dynamics. [DOC] [TLE] Archives - Nature Middle East - natureasia.com [PAR] Scientists 'cage' platinum clusters to fire chemical reactions

Question: Nobel Laureate Ahmed Zewail uses bursts of light from this device to study chemical reactions
Answer: a laser