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
Thanks to the advent of super-resolution microscopes some 30 years ago, scientists can observe subcellular structures, proteins and living tissue with unprecedented precision. These microscopes operate by measuring the fluorescent ...
Optics & Photonics
Aug 26, 2019
0
57
Engineers at Duke University have developed a method for extracting a color image from a single exposure of light scattered through a mostly opaque material. The technique has applications in a wide range of fields from healthcare ...
Optics & Photonics
Jul 29, 2019
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259
Almost all living organisms from bacteria to humans have gate-like protein complexes in their cell membranes that get rid of unwanted or life-threatening molecules. This is not always advantageous, since in the case of bacteria ...
Cell & Microbiology
Jul 22, 2019
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43
Standard snapshots from space don't quite show Earth in all its glory. There's so much more to see.
Optics & Photonics
May 20, 2019
0
81
Photoacoustic computed tomography (PACT) is a non-invasive hybrid imaging technique that excites biological tissues with light and detects the subsequently generated ultrasound to form images. PACT combines the advantages ...
Optics & Photonics
Apr 18, 2019
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16
JILA scientists have developed a fast, simple sample preparation method that enhances imaging of DNA to better analyze its physical properties and interactions.
Bio & Medicine
Apr 8, 2019
0
39
On Dec. 18, 2018, a large "fireball—the term used for exceptionally bright meteors that are visible over a wide area—exploded about 16 miles (26 kilometers) above the Bering Sea. The explosion unleashed an estimated 173 ...
Earth Sciences
Mar 22, 2019
0
501
Direct imaging of dynamic cracks as they occur can tell us a great deal about the physics of fracturing and properties of fracturing materials, which would benefit many fields ranging from materials science to engineering ...
Optics & Photonics
Mar 4, 2019
0
25
On Nov. 26, NASA's InSight mission knew the spacecraft touched down within an 81-mile-long (130-kilometer-long) landing ellipse on Mars. Now, the team has pinpointed InSight's exact location using images from HiRISE, a powerful ...
Space Exploration
Dec 14, 2018
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