News tagged with measurement accuracy


Spectral Analysis of Starlight

An accurate speedometer for astronomy

Physics / General Physics

created Sep 09, 2008 | popularity 4.8 / 5 (18) | comments 2

Events on a cosmic scale are often barely discernable on Earth. This explains why astronomers are currently not able to prove directly that the universe is expanding at an ever increasing rate, nor can they ...





Search results for measurement accuracy


Patient research to benefit from cutting edge heart scanner

Patient research to benefit from cutting edge heart scanner

Medicine & Health / Research

created Nov 13, 2009 | popularity not rated yet | comments 0

(PhysOrg.com) -- A state-of-the-art chest scanner, the first of its kind in the UK, will allow doctors and researchers to spot heart problems that were previously undetectable.


Disease-matching software could save children

Disease-matching software could save children

Medicine & Health / Research

created Nov 13, 2009 | popularity not rated yet | comments 0

(PhysOrg.com) -- By matching children with rare or life-threatening diseases and modelling potential disease progression, researchers hope to find new routes forward.


Europe and America couldn't be more different, right? Not so fast, says historian

Other Sciences / Other

created Nov 13, 2009 | popularity 2 / 5 (2) | comments 1

(PhysOrg.com) -- Marshalling data on everything from colon cancer to the accuracy of public clocks, Peter Baldwin illustrates how differences between the U.S. and Western Europe are much smaller than commonly supposed.


Google, Yahoo call for expanded online drug ads

Technology / Internet

created Nov 12, 2009 | popularity not rated yet | comments 0

(AP) -- Google, Yahoo and other Web companies joined the pharmaceutical industry Thursday in urging federal regulators to make it easier to pitch drugs in online advertisements.


Study identifies new way to biopsy brain tumors in real time

Medicine & Health / Neuroscience

created Nov 11, 2009 | popularity not rated yet | comments 0

A new miniature, hand-held microscope may allow more precise removal of brain tumors and an easier recognition of tumor locations during surgery.


sky, sun

A lightning strike in Africa helps take the pulse of the sun

Space & Earth / Space Exploration

created Nov 11, 2009 | popularity 4.8 / 5 (9) | comments 2

Sunspots, which rotate around the sun's surface, tell us a great deal about our own planet. Scientists rely on them, for instance, to measure the sun's rotation or to prepare long-range forecasts of the Earth's ...


Exoplanets Clue to Sun's Curious Chemistry

Exoplanets Clue to Sun's Curious Chemistry

Space & Earth / Astronomy

created Nov 11, 2009 | popularity 4.7 / 5 (18) | comments 13

(PhysOrg.com) -- A ground-breaking census of 500 stars, 70 of which are known to host planets, has successfully linked the long-standing "lithium mystery" observed in the Sun to the presence of planetary systems. ...


New Logistics Model Improves Forecast Accuracy of Retail and Packaged-Goods Orders

Other Sciences / Economics

created Nov 11, 2009 | popularity not rated yet | comments 0

(PhysOrg.com) -- Whether it’s dog food or iPods, tires or televisions, virtually every consumer has endured a frustrating out-of-stock experience. Retailers hate it as much as customers, perhaps more, because they lose money ...


Warm-blooded dinosaurs worked up a sweat

Warm-blooded dinosaurs worked up a sweat

Biology / Plants & Animals

created Nov 11, 2009 | popularity 5 / 5 (4) | comments 1

(PhysOrg.com) -- Were dinosaurs endothermic (warm-blooded) like present-day mammals and birds or ectothermic (cold-blooded) like present-day lizards? The implications of this simple-sounding question go beyond ...


Findings suggest lipid assessment in vascular disease can be simplified, without the need to fast

Medicine & Health / Research

created Nov 10, 2009 | popularity 5 / 5 (1) | comments 0

Lipid assessment in vascular disease can be simplified by measuring either total and HDL cholesterol levels or apolipoproteins, without the need to fast and without regard to triglyceride levels, according to a study in the ...



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