Artist impression of an outflow of molecular gas from an active star-forming galaxy.
Credit: NRAO/AUI/NSF, D. Berry

For the first time, a powerful “wind” of molecules has been detected in a galaxy located 12 billion light-years away. Probing a time when the universe was less than 10 percent of its current age, University of Texas at Austin astronomer Justin Spilker’s research sheds light on how the earliest galaxies regulated the birth of stars to keep from blowing themselves apart. The research will appear in the Sept. 7 issue of the journal Science. “Galaxies are complicated, messy beasts, and we think outflows and winds are critical pieces to how they form and evolve, regulating their ability to grow,” Spilker said.

Some galaxies such as the Milky Way and Andromeda have relatively slow a...

Schematic drawing of a 2D-material-based lateral (left) and vertical (right) Schottky diode. For broad classes of 2D materials, the current-temperature relation can be universally described by a scaling exponent of 3/2 and 1, respectively, for lateral and vertical Schottky diodes.
Credit: Singapore University of Technology and Design

A one-size-fits-all master equation shall pave the way towards better design of 2D material electronics. Schottky diode is composed of a metal in contact with a semiconductor. Despite its simple construction, Schottky diode is a tremendously useful component and is omnipresent in modern electronics...

A size comparison of the Earth, Wolf 503b and Neptune. The color blue for Wolf 503b is imaginary; nothing is yet known about the atmosphere or surface of the planet.
Credit: NASA Goddard/Robert Simmon (Earth), NASA/JPL (Neptune)

Twice size of Earth, Wolf 503b orbits star every six days and was discovered by an international team of Canadian, American and German researchers using data from NASA’s Kepler Space Telescope. The find is described in a new study whose lead author is Merrin Peterson, an Institute for research on exoplanets (iREx) graduate student who started her master’s degree at Université de Montréal (UdeM) in May.

Wolf 503b is about 145 light years from Earth in the Virgo constellation; it orbits its star every six days and is thus very close to it, about 10 times closer than...

Figure 1a) A fabricated DDHOE lens array; 1b) The 3-D display system consisting of a 2-D projector and DDHOE; 1c) A computer-modeled 3-D scene of depth 6 cm; 1d) A 3-D reconstruction of a modeled scene captured by camera looking into the DDHOE. Credit: Boaz Jessie Jackin.

New approach would eliminate visual disturbances without additional bulky optics. While most interaction with digital content is still constrained to keyboards and 2D touch panels, augmented and virtually reality (AR/VR) technologies promise ever more freedom from these limitations.

AR/VR devices can have their own drawbacks, such as a tendency to induce visual motion sickness or other visual disturbances with prolonged usage due to their stereoscopy or auto-stereoscopy based designs...