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695 matches found for "X-rays"

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EKG can show false positive readings for diagnosing heart condition

The study of 500 patients found a false positive reading between 77 and 82 percent in patients screened by electrocardiogram, and a false negative reading between 6 percent to 7 percent in the same pa...

Medical Engineering | nachricht Read more
Ionic Liquid’s Makeup Measurably Non-Uniform at the Nanoscale

Their findings were published online in the Journal of Physics: Condensed Matter. The article was selected for inclusion in the Institute of Physics’ IOP Select, which is a special collection of artic...

Physics and Astronomy | nachricht Read more
Swift XMM-Newton Satellites Tune Into a Middleweight Black Hole

"Intermediate-mass black holes contain between 100 and 10,000 times the sun's mass," explained Tod Strohmayer, an astrophysicist at Goddard. "We observe the heavyweight black holes...

Physics and Astronomy | nachricht Read more
Carbon Atmosphere Discovered on Neutron Star

"The compact star at the center of this famous supernova remnant has been an enigma since its discovery," said Wynn Ho of the University of Southampton and lead author of a paper that appear...

Physics and Astronomy | nachricht Read more
Rare Space Experiment Gives Clues About the Fundamental Structure of the Universe

The experiment was performed by a team that includes astrophysicists at Penn State University, who used NASA's Fermi Gamma Ray Space Telescope to study particles from the explosion moving at near...

Physics and Astronomy | nachricht Read more
New Celestial Map Gives Directions for GPS

The system works well, and millions rely on it every day, but what tells the GPS satellites where they are in the first place? "For GPS to work, the orbital position, or ephemeris, of the...

Information Technology | nachricht Read more
New Research Brings “Invisible” Into View

The compact system can produce synthetically focused images of objects – at different planes in front of the camera – at speeds of up to 30 images per second. A laptop computer then collects the signa...

Power and Electrical Engineering | nachricht Read more
Siemens integrates Trumpf’s OR table in its Artis zeego and Artis zee ceiling angiography systems

Integrated means that the movements of the C-armand the operating table are coordinated with each other and thus also allow quick rotations of the C-armand 3-D imaging. The TruSystem 7500 is the solut...

Medical Engineering | nachricht Read more
CT scans show patients with severe cases of H1N1 are at risk for developing acute pulmonary emboli

A pulmonary embolism occurs when one or more arteries in the lungs become blocked. The condition can be life-threatening. However, if treated aggressively, anti-coagulants (blood thinners) can reduce ...

Medical Engineering | nachricht Read more
Radio Waves 'See' through Walls

"By showing the locations of people within a building during hostage situations, fires or other emergencies, radio tomography can help law enforcement and emergency responders to know where they ...

Physics and Astronomy | nachricht Read more
How the 100th protein structure solved at Diamond impacts our understanding of how insects smell

New research announced today, Wednesday 30th September, by a team of leading scientists working with the UK's national Synchrotron, Diamond Light Source, could have a significant impact on the de...

Life Sciences | nachricht Read more
Physicists Create First Atomic-scale Map of Quantum Dots

Quantum dots---often called artificial atoms or nanoparticles---are tiny semiconductor crystals with wide-ranging potential applications in computing, photovoltaic cells, light-emitting devices and ot...

Physics and Astronomy | nachricht Read more
U-M physicists create first atomic-scale map of quantum dots

Quantum dots—often called artificial atoms or nanoparticles—are tiny semiconductor crystals with wide-ranging potential applications in computing, photovoltaic cells, light-emitting devices and other ...

Physics and Astronomy | nachricht Read more
Ratchet-like genetic mutations make evolution irreversible

A University of Oregon research team has found that evolution can never go backwards, because the paths to the genes once present in our ancestors are forever blocked. The findings -- the result of th...

Life Sciences | nachricht Read more
New Vista of Milky Way Center Unveiled

Permeating the region is a diffuse haze of X-ray light from gas that has been heated to millions of degrees by winds from massive young stars – which appear to form more frequently here than elsewhere...

Physics and Astronomy | nachricht Read more
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