Physics

Thermonuclear X-ray bursts on neutron stars set speed record

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A new study of thermonuclear X-ray bursts on neutron stars reveals that shells can be expelled at speeds up to 30% of the speed of light.
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Written by SRON Netherlands Institute for Space Research

Co-flowing liquids can stabilize chaotic “whipping” in microfluidic jets

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Researchers have now learned to control the chaotic structure that results from microfluidic jets.
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Industrial wet spinning processes produce fibers from polymers and other materials by using tiny needles to eject continuous jets of liquid precursors. The electrically charged liquids ejected from the needles normally exhibit a chaotic “whipping” structure as they enter a secondary liquid that surrounds the microscopic jets.

But the liquid jets sometimes form a helical wave. And that was intriguing to Alberto Fernandez-Nieves, an associate professor in the School of Physics at the Georgia Institute of Technology.

Small, but plentiful: how the faintest galaxies illuminated the early universe

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The researchers used computer simulations to demonstrate the faintest and smallest galaxies in the early universe were essential.
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Light from tiny galaxies over 13 billion years ago played a larger role than previously thought in creating the conditions in the universe as we know it today, a new study has found. Ultraviolet (UV) light from stars in these faint dwarf galaxies helped strip interstellar hydrogen of electrons in a process called reionization.

Two Tech Students Named Goldwater Scholars

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Thomas Kieffer and Mohamad Ali Najia both aspire to conduct research in their fields and teach at a university level.
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Ballistic Transport in Graphene Suggests New Type of Electronic Device

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Using electrons more like photons could provide the foundation for a new type of electronic device that would capitalize on the ability of graphene to carry electrons with almost no resistance.
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Professor Daniel Goldman Receives the PECASE

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Georgia Tech Physics Professor Gains Nation’s Highest Honor for Work in Physics.
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Observatory Catches Neutrinos in a South Pole Block of Ice

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The IceCube Neutrino Observatory is helping unravel one of the key scientific mysteries.
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Glass or Plastic? Container’s Properties Affect the Viscosity of Nanoscale Water

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At the nanoscale, the properties of containers holding liquids can affect their viscosity.
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Researchers Determine Protein Structure for New Antimicrobial Target

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A study of protein membranes could provide drug designers with a new target for anti-microbial compounds.
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Contact: John Toon

Pablo Laguna Takes the Helm of Physics

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This month, professor Pablo Laguna was named the new chair of the School of Physics.
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