The project, which is now formally approved by the DOE to start construction and is being funded by DOE's Office of Science, will enable experiments that sharpen our view of how nature works on the atomic level and
on ultrafast timescales.
«We believe we now have strong direct evidence that
on ultrafast time scales (picoseconds, or trillionths of a second), water modulates protein fluctuations,» he concluded.
We can now say that,
on ultrafast time scales, the protein surface fluctuations are controlled by water fluctuations.
This allowed them to shed light
on the ultrafast ionization processes in a precision that has simply not been possible hitherto.
Japan wants to be the first to capitalise
on these ultrafast phenomena
In a combined experimental and theoretical study
on ultrafast excitation of atoms in intense short pulse laser fields scientists of the Max Born Institute succeeded to show that the prevailing and seemingly disparate intuitive pictures usually used to describe interaction of atoms with intense laser fields can be ascribed to a single nonlinear process.
The project, known as LCLS - II, will greatly increase the power and capacity of SLAC's Linac Coherent Light Source (LCLS) for experiments that sharpen our view of how nature works on the atomic level and
on ultrafast timescales.
Not exact matches
These system -
on - a-chip innovations will drive a host of new technologies and products in the consumer and business marketplace, including smart phones, tablets, and laptops; 3D systems for gaming;
ultrafast and secure computer servers and IT systems; and sensor technology for emerging health care, clean energy and environmental applications.
He conducted postdoctoral research in
ultrafast spectroscopy at the Max Planck Institute for Quantum Optics in Garching, Germany
on the Humboldt fellowship, and then worked as a National Research Council fellow at the National Institute of Standards and Technology in Gaithersburg, Maryland.
We report direct determination of the structures and dynamics of interfacial water
on a hydrophilic surface with atomic - scale resolution using
ultrafast electron crystallography.
The method, called
ultrafast electron diffraction (UED), could help scientists better understand the role of nuclear motions in light - driven processes that naturally occur
on extremely fast timescales.
Water's behavior was tested with three different approaches:
ultrafast optical measurements, which revealed the arrangement of molecules
on the nanometric scale; a computer simulation
on the atomic scale; and measurement of the water's surface structure and tension, which was done at the macroscopic level.
«Tracing and controlling electrons in solids will enable us to identify the most promising routes for novel
ultrafast electronics and photonics operating
on sub-fs time scales and at Petahertz clocking rates,» Goulielmakis said.
The group of Majed Chergui at EPFL, along with national and international colleagues, have shed light
on this long - standing question by using a combination of cutting - edge experimental methods: steady - state angle - resolved photoemission spectroscopy (ARPES), which maps the energetics of the electrons along the different axis in the solid; spectroscopic ellipsometry, which determines the optical properties of the solid with high accuracy; and
ultrafast two - dimensional deep - ultraviolet spectroscopy, used for the first time in the study of materials, along with state - of - the - art first - principles theoretical tools.
To observe
ultrafast electron motions in space and time, one needs to measure the position of electrons in the material with a precision of the order of 0.1 nm (0.1 nm = 10 - 10 m), roughly corresponding to the distance between neighboring atoms, and
on a sub-100 fs time scale (1 fs = 10 - 15s).
That's orders of magnitude faster than any current receive - only
ultrafast imaging techniques, which are limited by
on - chip storage and electronic readout speed to operations of about 10 million frames per second.
To understand these complex and omnipresent phenomena in nature, researchers recently conducted experiments involving the propagation of light waves, and leading to the formation of
ultrafast pulses
on a picosecond timescale (a millionth of a millionth of a second).
Many researchers are working
on building
ultrafast computers using Josephson logic.
Using
ultrafast lasers, they found that the interaction between the sun's energy and the chlorophyll molecules in a bacterium relies
on a piece of quantum mechanical weirdness known as superposition, where a single photon's energy can temporarily be in many different states at once.
«Simulations based
on our measurements suggest that our method can probably be used to determine the structure of even smaller crystals consisting of only hundreds or thousands of molecules,» reports Chapman, who is also a member of the Hamburg Center for
Ultrafast Imaging (CUI).
Using
ultrafast 4 - D imaging, the new UEC technique allows researchers to «film» the atomic mechanism behind the recording process in memories based
on phase change materials.
Converging Disciplines For most of the past 40 years,
ultrafast - laser researchers — those who focus
on making and using the shortest pulses — largely ignored the pulse phase and the theoretical comblike spectrum of an ideal series of pulses.
A recent study by researchers at the University of Illinois at Urbana - Champaign provides new insights
on the physical mechanisms governing the interplay of spin and heat at the nanoscale, and addresses the fundamental limits of
ultrafast spintronic devices for data storage and information processing.
Ultrafast x-ray spectroscopy reveals electronic changes that occur during the oxidation of carbon monoxide
on a ruthenium surface.
At NEC in Japan, where I used to work, researchers have built these
ultrafast photodetectors and tested them
on computer processors.
These opportunities include the use of short - pulsed X-ray sources for extracting time - dependent structural information from proteins; and the revolutionary new possibilities created by X-ray Free Electron Lasers, which combine
ultrafast X-ray pulses with high brilliance focussing capabilities to create an entirely new regime of pre-damage time - resolved serial femtosecond crystallography
on unprecedented time - scales.
On smooth tarmac, the Mini is at its best, blending mind - boggling grip with
ultrafast responses and amazing tactility.
«
On smooth tarmac, the Mini is at its best, blending mind - boggling grip with
ultrafast responses and amazing tactility,» observed European bureau chief Georg Kacher.
Through the
ultrafast fear - devours - courage corners, the Centenario often gains a few feet
on Fasanetto's SV, a dark blade sketching even darker rubber arcs
on the sizzling tarmac.
So, you end up with an
ultrafast hot hatchback that has nasty hard plastics in the cabin (particularly
on the upper parts of the inner door panels), a poorly damped (read: too bouncy) ride, and a general feeling of cheapness.
Zenvo says that its new transmission gives the car «
ultrafast gearshifts,» almost
on part with that of a Formula 1 car.
SSDs are based
on volatile memory such as DRAM and are characterized by
ultrafast data access, generally less than 10 microseconds, and are used primarily to accelerate applications that would otherwise be held back by the latency of Flash SSDs or traditional HDDs.
However, Android gives you the flexibility to really easily switch out the
on - screen keyboard for a range of others, bettering the Leap's performance and a keyboard like SwiftKey is
ultrafast.
And the biggest shock is that the designers envision their Dubai hyperloop to be both
ultrafast transportation system and a smartphone - based,
on - demand service, à la Uber.