A physicist at the University of California, Riverside, has performed calculations showing hollow spherical bubbles filled with a gas of positronium atoms are stable in liquid helium.
General Physics
Dec 6, 2019
19
8263
Most images captured by a camera lens are flat and two dimensional. Increasingly, 3-D imaging technologies are providing the crucial context of depth for scientific and medical applications. 4-D imaging, which adds information ...
Nanophysics
Nov 20, 2019
1
95
Despite advances in medical imaging, the mechanisms leading to the irregular contractions of the heart during heart rhythm disorders remain poorly understood.
General Physics
Sep 17, 2019
0
76
Biomedical engineers at Duke University have devised a method for increasing the resolution of optical coherence tomography (OCT) down to a single micrometer in all directions, even in a living patient. The new technique, ...
Optics & Photonics
Aug 27, 2019
0
58
Researchers at Helmholtz Zentrum Muenchen have developed a method to visualize gene expression of cells with an electron microscope. Although electron microscopy currently provides the most detailed look into cells, it cannot ...
Bio & Medicine
Jun 28, 2019
0
83
Machine learning has the potential to vastly advance medical imaging, particularly computerized tomography (CT) scanning, by reducing radiation exposure and improving image quality.
Machine learning & AI
Jun 10, 2019
0
257
Many neurodegenerative diseases spread by hijacking the brain's connective circuitry to transport toxic proteins, which gradually accumulate and trigger symptoms of dementias. Now, researchers at Stevens Institute of Technology ...
General Physics
Oct 12, 2018
0
188
What makes a cluster of cells become a liver, or a muscle? How do our genes give rise to proteins, proteins to cells, and cells to tissues and organs?
Cell & Microbiology
Mar 3, 2017
1
1038
A super-material that bends, shapes and focuses sound waves that pass through it has been invented by scientists.
Condensed Matter
Feb 27, 2017
0
1607
Engineers at Caltech have developed a system of flat optical lenses that can be easily mass-produced and integrated with image sensors, paving the way for cheaper and lighter cameras in everything from cell phones to medical ...
Optics & Photonics
Dec 23, 2016
3
59
