News tagged with radio

Finding the unknowns in the universe

What have pulsars, quasars, dark matter and dark energy got in common? Answer: each of them took the discoverer by surprise. While much of science advances carefully and methodically, the majority of truly spectacular discoveries ...

dateDec 13, 2016 in Astronomy
shares33 comments 5

ALMA measures size of seeds of planets

Researchers using the Atacama Large Millimeter/submillimeter Array (ALMA), have for the first time, achieved a precise size measurement of small dust particles around a young star through radio-wave polarization. ALMA's high ...

dateDec 05, 2016 in Astronomy
shares114 comments 0

Researchers make one-way street for light

Researchers at FOM institute AMOLF and the University of Texas at Austin have created a compact one-way street for light. That is remarkable because light waves can generally move in both directions inside a material. Optical ...

dateNov 29, 2016 in Optics & Photonics
shares753 comments 2

Bright radio bursts probe universe's hidden matter

Fast radio bursts, or FRBs, are mysterious flashes of radio waves originating outside our Milky Way galaxy. A team of scientists, jointly led by Caltech postdoctoral scholar Vikram Ravi and Curtin University research fellow ...

dateNov 17, 2016 in Astronomy
shares404 comments 3

Cosmic whistle packs a surprisingly energetic punch

Penn State University astronomers have discovered that the mysterious "cosmic whistles" known as fast radio bursts can pack a serious punch, in some cases releasing a billion times more energy in gamma-rays than they do in ...

dateNov 11, 2016 in Astronomy
shares403 comments 30