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Study reveals vision’s role in vowel perception

By Guest PostOctober 2, 2018Health, Scienceconfiguration, directional asymmetry, matthew masapollo, motion, role, speaker, vision, vowel perception

In a study based at Brown University, researchers found that the motion and configuration of a speaker’s lips are key components of the information people gather when distinguishing vowels in speech.

PROVIDENCE, R.I. [Brown University] — For all talkers, except perhaps the very best ventriloquists, the production of speech is accompanied by visible facial movements. Because speech is more than just sound, researchers set out to ascertain the exact visual information people seek when distinguishing vowel sounds. (more…)

Vortex Loops Could Untie Knotty Physics Problems

By Guest PostMarch 5, 2013Science3d printer, atmosphere, behavior culminates, charged gas, configuration, dustin kleckner, dynamics, elements, energy, exotic superfluids, failed catastrophically, fine scale twisting, high speed camera, hydrofoils, james franck institute, knot, knotted vortex loops, knottedness, lord kelvin, momentum, new york university, ordinary fluids, periodic table, physicist peter tait, physicists, physics subfields, plasma flows, plasma physics, reconnection, smoke ring, stable phenomena, turbulence, university of chicago, vortex knot, washington square park, weird behavior, william irvine

University of Chicago physicists have succeeded in creating a vortex knot—a feat akin to tying a smoke ring into a knot. Linked and knotted vortex loops have existed in theory for more than a century, but creating them in the laboratory had previously eluded scientists.

Vortex knots should, in principle, be persistent, stable phenomena. “The unexpected thing is that they’re not,” said Dustin Kleckner, a postdoctoral scientist at UChicago’s James Franck Institute. “They seem to break up in a particular way. They stretch themselves, which is a weird behavior.” (more…)

UCLA Researchers Further Refine ‘Nanovelcro’ Device to Grab Single Cancer Cells from Blood

By Guest PostMarch 3, 2013Scienceact like velcro, analysis, angewandte chemie, antoni ribas, biopsy samples, blood, blood samples, braf v600e, cancer cells, cancer grow, circulate, circulating melanoma cells, circulating tumor cells, cmcs, configuration, ctcs, disease, dna structure, early stages, fatal metastases, fibers coated, genes, genetic analysis, genomic evolution, growth, hematology, histopathology, hsian rong tseng, jonsson cancer center, laser micro dissection, liquid biopsy, lmd, melanoma, melanoma cells, melanoma tumors, metastasis, method, microscopic structure, nanoscale technology, nanoscale wires, nanovelcro chip, new tumors, oncology, patient, polymer nanofiber, progression, protein antibodies, researchers, roger lo, single cell genotyping, skin cancer, tumors, ucla, velcro like, working mechanism

Improvement enables ‘liquid biopsies’ for metastatic melanoma

Researchers at UCLA report that they have refined a method they previously developed for capturing and analyzing cancer cells that break away from patients’ tumors and circulate in the blood. With the improvements to their device, which uses a Velcro-like nanoscale technology, they can now detect and isolate single cancer cells from patient blood samples for analysis.

Circulating tumor cells, or CTCs, play a crucial role in cancer metastasis, spreading from tumors to other parts of the body, where they form new tumors. When these cells are isolated from the blood early on, they can provide doctors with critical information about the type of cancer a patient has, the characteristics of the individual cancer and the potential progression of the disease. Doctors can also tell from these cells how to tailor a personalized treatment to a specific patient. (more…)

Molecular Scientists Reveal Extraordinary Properties of Ordinary Glasses

By Guest PostJanuary 8, 2013Scienceaging, amber, amorphous molecular structure, Chicago, computer simulation, configuration, crystallization, evolution, evolution of glasses, glassy material, juan de pablo, mark ediger, mechanical properties, metal, molecular condition, molecular theory, multishaped object, ordinary glass, pharmaceutical, properties, sadanand singh, semi crystalline structure, silico vapor deposition, simulation, structural signature, tetris, ultrastable glasses, university, vacuum chamber, vapor deposition process, void riddled pattern, wisconsin madison

Technologically valuable ultrastable glasses can be produced in days or hours with properties corresponding to those that have been aged for thousands of years, computational and laboratory studies have confirmed.

Aging makes for higher quality glassy materials because they have slowly evolved toward a more stable molecular condition. This evolution can take thousands or millions of years, but manufacturers must work faster. Armed with a better understanding of how glasses age and evolve, researchers at the universities of Chicago and Wisconsin-Madison raise the possibility of designing a new class of materials at the molecular level via a vapor-deposition process. (more…)

Tag Archives: configuration

Study reveals vision’s role in vowel perception

Vortex Loops Could Untie Knotty Physics Problems

UCLA Researchers Further Refine ‘Nanovelcro’ Device to Grab Single Cancer Cells from Blood

Molecular Scientists Reveal Extraordinary Properties of Ordinary Glasses