«So there's a lot riding
on precision measurements to see if their properties are what is predicted by supersymmetry or not.»
«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.
Not exact matches
The
precision of previous
measurements based
on hydrogen atoms was limited by uncertainties related to the internal structure of the proton inside its nucleus.
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.
Those
measurements — and the next era of
precision cosmology — are
on the way.
The speed and pace of those
measurements promise to add an increment of
precision to GPS navigation, and ROMY may even be able to detect a subtle effect predicted by Albert Einstein's theory of general relativity: the drag of the rotating planet
on nearby spacetime, like a spoon turned in a pot of honey.
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.
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.
The new
measurement is a high -
precision count of two forms of argon gas — Argon - 36 and Argon -38-accomplished by the Sample Analysis at Mars (SAM) instrument
on Curiosity.
Earth - based observations in 2003 indicated plumes of methane
on Mars (red), but higher -
precision measurements on the planet's surface find no such gas.
He says the
precision of the
measurements obtained so far in krypton gas has encouraged the team to move
on to tritium — a goal Formaggio says may be attainable in the next year or two — and pave a path toward measuring the mass of the neutrino.
Müller has used atom interferometry to make
precision measurements of relativistic effects,
measurements that rely not
on counting individual oscillations but
on tracking the interference between two waves.
«It opens a new era of
precision measurement on antihydrogen.»
«In a sense, this is the first
precision measurement done
on antihydrogen, because the
measurement exceeds anything that could be inferred from previous
measurements,» Fajans said.
In the time since the 2007 version of this report, the human effect
on the climate has grown more than 40 percent stronger, thanks to continued emissions of greenhouse gases and more
precision in
measurements, with carbon dioxide leading the charge.
The new
measurement is a high -
precision count of two forms of argon gas — Argon - 36 and Argon - 38 — accomplished by the Sample Analysis at Mars (SAM) instrument
on Curiosity.
Also, the greater
precision of the newer
measurement of the Hubble Constant provides increased constraints
on the nature of the «dark energy» discussed in the cosmology chapter.
On top of that we have shown how this material enables us to measure properties of Majorana particles never measured before — and carry out these
measurements with great
precision», explains Fabrizio Nichele.
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.
When we first embarked
on this project we were told unequivocally that
precision radial velocity
measurements were impossible at the amateur level and required the funding and resources of an institution.
The tick marks serve as stable reference points when making
precision measurements such as those of the small shifts in starlight caused by planets pulling gravitationally
on their parent stars.
Currently the team is concentrating
on extrasolar planet discovery and characterization,
precision measurement of stellar chemical abundances, and precise mapping of the Milky Way and of large - scale cosmological structure.
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.
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 variabilities
on the graph show higher
precision measurements and inferences from tree rings etc..
As the Dow Jones average selects a certain set of industries based
on qualities related to company size, longevity, quality of financials, weighted simply by market price, etc. one could select a set of temperature records based
on the
precision and accuracy of the instrument, the transparency of its record keeping, the suitability of its
measurement protocols, perhaps weighted by the accuracy of the instrument, etc..
«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.
Yes, we all understand, there is always a finite limitation
on the
precision of a
measurement, which results in uncertainty, and this may be increased by finite limitations
on the accuracy of the
measurement.
An engineer learns early
on about
precision measurements and how to deal with them.
However, I conducted an experiment in which I made observations that had a
precision of 1 cm and found that the average of those
measurements was much closer
on three separate occasions to the average of the more precise observations than 1 cm.
I think Parker's papers tend to minimize the temperature
measurement uncertainties whereas the antithesis would allow for more uncertainties that might put more emphasis
on the satellite and SST
measurements and better insuring the accuracies and
precisions of those methods.
We can check
on that using Spectral Calc, a program that allows us to calculate the spectrum based
on precision and verified
measurements.
Maintaining a high -
precision Jason - type altimeter in non-Sun-synchronous orbit (to mitigate the impact of tidal aliasing
on sea level
measurements) complemented by at least two other altimeter missions (Sentinel - 3 will be one) in a Sun - synchronous orbit.