Microfluidic tools
for precision measurements of cell migration speed reveal that migratory speed of individual cells changes stochastically from parent cells to their descendants, while the average speed of the cell population remains constant through successive generations.
«We can use it to verify the suitability of any experimental quantum state
for precision measurements beyond what can be done with a classical state,» continues Prof. Oberthaler.
«The precision of this method is so high that it is very suitable
for precision measurement of certain natural thermodynamic constants.»
A team of researchers at the Massachusetts General Hospital and Harvard Medical School in Boston has developed technologies
for precision measurement of cell migration speed before and applied the new tool to study the variations of migration speed in population of cancer cells.
Not exact matches
My
measurements are in cups simply because there's no need
for exact
precision with overnight oats.
«We've been waiting
for this
for 30 years,» says Thomas Udem, an experimental physicist at the Max Planck Institute
for Quantum Optics in Garching, Germany, who works on
precision measurements of hydrogen.
The
precision of the
measurement is such that «a snail crawling on Mars would appear to be moving across the surface more than 100 times faster than the motion we measured
for this galaxy,» says Reid.
The plan was
for NASA pilots to crisscross the continent in jets loaded with new technology that promised
precision measurements unlike any made before.
The ability to control quantum noise could one day be used to improve the
precision of very sensitive
measurements, such as those obtained by LIGO, the Laser Interferometry Gravitational - wave Observatory, a Caltech - and - MIT - led project searching
for signs of gravitational waves, ripples in the fabric of space - time.
Four days after its launch on 17 January, the Jason - 3 high -
precision ocean altimetry satellite is delivering its first sea surface height
measurement data in near - real time
for evaluation by engineers from the Centre National d'Etudes Spatiales (CNES), EUMETSAT, the US National Aeronautics and Space Administration (NASA) and the National Oceanic and Atmospheric Administration (NOAA) and scientists from the international Ocean Surface Topography Science Team.
Maxwell knew that even an era of
precision measurements is not a sign of science's end but preparation
for the opening of new frontiers.
The
precision of the
measurements enabled the aerodynamic interactions of the birds to be studied at a level and complexity
for the first time.
«We have demonstrated a reconfigurable array of traps
for single atoms, where we can prepare up to 50 individual atoms in separate traps deterministically,
for future use in quantum information processing, quantum simulations, or
precision measurements,» says Vuletic, who is also a member of MIT's Research Laboratory of Electronics.
On the other hand, in magnetic field confinement fusion plasma intended
for a fusion reactor, which research is being conducted at the National Institute
for Fusion Science, development of high
precision electron density
measurements is becoming an important research topic.
This narrow spectral band characteristic is one of the main requirements
for the laser module needed
for spectroscopy of the rubidium atoms and the associated
precision measurements.
The ingenious device he employed
for measuring G, called a torsion balance, had been built by the clergyman and amateur naturalist John Michell and was invented simultaneously by the French electrical pioneer Charles Coulomb, but in Cavendish's skillful hands it revolutionized the science of
precision measurements.
The team concludes in the paper that the «high frequency and
precision ground - based remote sensing results provide the performance metric and sampling strategy
for satellite - based
measurements, permitting a global emission monitoring system.»
Frequency combs are powerful tools
for high -
precision measurements and spectroscopy.
It produces an intense beam of slow - moving neutrons whose photon emissions can be detected with the same setup used
for earlier
precision measurements of the neutron's lifetime.
GOMOS will look at 25 stars during its 90 - minute orbit, using a high
precision tracking device to keep the star in place
for measurements.
More importantly, they can be stored in special traps, enabling researchers to perform high -
precision measurements and look
for signs of new physics.
«One main goal of RHIC's energetic polarized - proton collisions is to increase the
precision of our
measurements so we can better tease out the contribution from the gluons» spin,» said Jamie Dunlop, Associate Chair
for Nuclear Physics in Brookhaven's Physics Department.
This is the first absolute determination of the timescale of photoionization, and the degree of
precision achieved is unprecedented
for a direct
measurement of the interaction of light and matter.
Such a sequence of pulses is known as «Ramsey sequence» and is used
for high -
precision measurements in many areas.
«These
precision measurements will give us deep insights into how these materials behave,» said Zhi - Xun Shen, a professor at SLAC and Stanford and investigator with the Stanford Institute
for Materials and Energy Sciences (SIMES) who led the study.
Swapping the ease of a single number
for the apparently clumsier interval of numbers has been controversial among some chemists, but additional
precision in
measurements in recent years has shown the change is necessary
for accuracy.
KIPAC faculty member Risa Wechsler, a founding member of DES, said, «
For the first time, the
precision of key cosmological parameters coming out of a galaxy survey is comparable to the ones derived from
measurements of the cosmic microwave background.
This may be OK
for the typical, less precise
measurements, but remains a dangerous assumption
for high -
precision studies and
for all but the least active stars.
Finally, we present catalogs of Pan-STARRS1 proper motions
for low - mass members of Taurus and Upper Scorpius with median
precisions of $ \ approx $ 3 mas yr $ ^ -LCB--1 -RCB- $, including 67 objects with no previous proper motion and 359
measurements that improve on literature values.
We derived the radii of the planets from the K2 light curve and used high -
precision radial velocities gathered with the HARPS - N spectrograph
for mass
measurements.
The planets are amenable to mass
measurement by
precision radial velocity
measurements, and therefore K2 - 138 could represent a new benchmark systems
for comparing radial velocity and TTV masses.
«Our experimental platform represents a testbed that can readily be upgraded
for measurements with higher
precision, by using a ultra-bright source of entangled photons, and higher - dimensional degrees of freedom, such as energy - time entanglement.»
Second, together with our international partners, NSF provides the tools that astronomers need to make
precision measurements of planetary systems; the newly inaugurated Atacama Large Millimeter / submillimeter Array (ALMA) can study planets in the act of formation, while the Gemini Observatory is poised
for new exoplanet discoveries with the Gemini Planet Imager (GPI) that will be commissioned in the next year.
The capabilities of Test Cell 1 include a fuel / air combustion skid
for energy input; cooling systems
for heat removal; 130 kW eddy - current dynamometer
for precision power
measurements; and instrumentation, system protection, and power control channels.
For measuring the thermal output of fuel - fired thermal energy systems, such as a gas - fired liquid - metal evaporator
for Stirling engines, Test Cell 1 offers a gas - gap calorimeter, which simulates the engine by allowing the liquid metal to condense at operating temperatures.
Unfortunately, it is beginning to look more and more likely that
precision RV
measurements will be unable to resolve the issue
for a variety of reasons and we will have to wait
for space - based instruments capable of performing direct imaging searches that will (hopefully) be launched within the next decade or so.
Our barycentric radial velocities, derived from observations taken at the KPNO 2.1 meter telescope, differ from... ▽ More We demonstrate the ability to measure precise stellar barycentric radial velocities with the dispersed fixed - delay interferometer technique using the Exoplanet Tracker (ET), an instrument primarily designed
for precision differential Doppler velocity
measurements using this technique.
The paper is titled «Demonstration of a near - IR line - referenced electro - optical laser frequency comb
for precision radial velocity
measurements in astronomy.»
For contributions to
precision measurements of nonsequential double ionization, exploration of strong field interaction scaling properties from mid-infrared to X-ray and innovative experiments of time - resolved molecular imaging
Optical fiber modal noise in the 0.8 to 1.5 micron region and implications
for near infrared
precision radial velocity
measurements
The ECS presented here could potentially provide the stable operating environment required
for future compact, «astro - photonic» precise radial velocity (PRV) spectrometers to achieve high Doppler
measurement precision with a modest budget.
For HPF to achieve 1 m s $ ^ -LCB--1 -RCB- $ or better
measurement precision, a unique calibration system, stable to several times better
precision, will be needed to accurately remove instrumental effects at an unprecedented level in the NIR.
The temperature range of the
measurements extends from room temperature down to... ▽ More We present the results of high
precision measurements of the thermal expansion of the sintered SiC, SiC - 100, intended
for use in cryogenic space - telescopes, in which minimization of thermal deformation of the mirror is critical and precise information of the thermal expansion is needed
for the telescope design.
Abstract: We present the results of high
precision measurements of the thermal expansion of the sintered SiC, SiC - 100, intended
for use in cryogenic space - telescopes, in which minimization of thermal deformation of the mirror is critical and precise information of the thermal expansion is needed
for the telescope design.
or you can read the following excerpts and see Sequential radiocarbon
measurement of bulk peat
for high -
precision dating of tsunami deposits
This signature Translational Science Model (TSM) is characterized by
precision in definition and
measurement, a rapid - cycle iterative approach to improving programs, and a relentless focus on identifying what works best (and least or not at all)
for whom and why.
A computer with appropriate software means that opportunities
for design, simulation,
precision, accuracy,
measurement, feedback, sensors, data, and programming are not just possible, but greatly enhanced.
As per the American Statistical Association's (ASA) recently released «Statement on P - Values,» statistical significance «is not equivalent to scientific, human, or economic significance... Any effect, no matter how tiny, can produce a small p - value [i.e., «statistical significance»] if the sample size or
measurement precision is high enough» (p. 10); hence, one must always check
for practical significance when making claims about statistical significance, like Kane et al. actually do here, but do here in a similar inflated vein.
The standard error of
measurement (an indicator
for measurement precision) shrinks as the test proceeds.
They observed the sky
for thousands of years and with such
precision that their
measurements of celestial events, such as the synodic period of Venus and the Maya calendar, were more precise than ours.
«In addition, we are currently developing a method that also allows
for high -
precision hydrogen isotopic
measurements on methane in ice cores, which will further improve our emission flux constraints,» revealed Fischer.