Catching butterflies in the sky: Extended catalog of winged or X-shaped radio sources from the latest FIRST data release

Posted by klaurent Peking

Kavli Affiliate: Xuebing Wu | Summary:We present a catalog of 290 "winged" or X-shaped radio galaxies (XRGs) extracted from the latest (2014 December 17) data release of the "Very Large Array Faint Images of the Radio Sky at Twenty centimeter." We have combined these radio images with their counterparts in the TIFR GMRT sky survey […]


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Structural Color 3D Printing By Shrinking Photonic Crystals

Posted by klaurent Caltech

Kavli Affiliate: Julia R. Greer | Summary:The rings, spots and stripes found on some butterflies, Pachyrhynchus weevils, and many chameleons are notable examples of natural organisms employing photonic crystals to produce colorful patterns. Despite advances in nanotechnology, we still lack the ability to print arbitrary colors and shapes in all three dimensions at this microscopic […]


Continue.. Structural Color 3D Printing By Shrinking Photonic Crystals