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The NACA: a look back
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9 March 2010 |
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In mid-1927, a Langley Laboratory researcher ponders the future of the Sperry M-1 Messenger, the first full-scale airplane tested in the Propeller Research Tunnel. more |
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Biochemical warfare on the reef
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1 March 2010 |
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These outwardly innocuous corals, commonly known as gorgonians, have a few tricks up their soft sleeves. They have evolved a powerful arsenal of chemical toxins that leave all who dare to consume them with a mouthful of distasteful compounds and a... more |
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Double rainbow
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23 February 2010 |
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When direct sunlight strikes falling rain, a rainbow is seen at a point directly opposite the Sun. more |
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Shuttle silhouette
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15 February 2010 |
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In a very unique setting over Earth's colourful horizon, the silhouette of the space shuttle Endeavour is featured in this photo by an Expedition 22 crew member on board the International Space Station, as the shuttle approached for its docking on 9... more |
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Antelope Canyon
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1 February 2010 |
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Antelope Canyon is the most-visited and most-photographed slot canyon in the American Southwest. It is located on Navajo land near Page, Arizona. more |
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Bright layered deposits on Mars
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25 January 2010 |
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Martian landforms have been shaped by winds, water, lava flow, seasonal icing and other forces over millennia. This view shows colour variations in bright layered deposits on a plateau near Juventae Chasma in the Valles Marineris region of Mars. more |
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Summer at the South Pole
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23 November 2009 |
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The December solstice brings the beginning of winter to Earth's Northern Hemisphere and summer time to the South! more |
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Hydra A: black hole pumps iron
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17 November 2009 |
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This composite image of the Hydra A galaxy cluster shows 10-million-degree gas observed by Chandra in blue and jets of radio emission observed by the more |
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Exoplanets bathed in deadly radiation
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2 November 2009 |
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The exoplanets PSR B1257+12 b, c and d were among the first discovered, and also happen to be three of the weirdest. The entire system is a graveyard, remnants of what used to be a normal, functional solar system before the star blew apart in a... more |
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Transportation on the Moon
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26 October 2009 |
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Unlike Earth, the Moon does not have air, food and water, so it would take a lot of effort for humans to live and work there, wrote Raina Huang, a student at Bexley High School in Columbus, Ohio, and finalist in the second annual more |
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Gecko gliding in wind tunnel
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16 October 2009 |
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This photo of a flat-tailed house gecko skydiving in a wind tunnel was selected for the cover of the 18 March 2008 issue of PNAS. more |
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Dramatic lightning
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12 October 2009 |
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Spectacular, powerful and sometimes deadly, lightning is one of the most common weather phenomena. It has been estimated that lightning strikes the Earth about 100 times every second. more |
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A day of remembrance
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5 October 2009 |
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Visible from space, a smoke plume rises from Manhattan after two planes crashed into the towers of the World Trade Centre. more |
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Cedar Creek wind farm
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28 September 2009 |
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Turbines on the Cedar Creek wind farm are silhouetted against a dramatic sunset. more |
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Published by RamsayMedia (Pty) Ltd.: Digital Publishing.
Copyright 2010 all rights reserved. No portion may be reproduced without
the written permission of the publishers.