Archive: 05/15/2012

A supernova cocoon breakthrough

(Phys.org) -- Observations with NASA's Chandra X-ray Observatory have provided the first X-ray evidence of a supernova shock wave breaking through a cocoon of gas surrounding the star that exploded. This discovery ...

May 15, 2012 4.8 / 5 (6) 0 | with audio podcast

19th-century iPhone app

Modern technology has allowed us to communicate in ways that would have been unfathomable to Victorian-age English poets. Yet Alfred Tennyson, Lewis Carroll and Edgar Allan Poe — among others — would ...

May 15, 2012 5 / 5 (1) 1