Christopher whittle

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What The X-47B Reveals About The Future Of Autonomous Flight

Five things you need to know about the X-47B, the U.S. military's first unmanned, autonomous combat jet.<p>When the Navy's X-47B drone screamed skyward off the aircraft carrier <i>USS George H.W. Bush</i> in May, those of us standing on the flight deck knew we were witnessing history: a robot flying …

APOD: A Roll Cloud Over Uruguay (2013 Jun 02) Credit & Licence: Daniela Mirner Eberl http://apod.nasa.gov/apod/ap130602.html Explanation: What kind of cloud is this? A roll cloud. These rare long clouds may form near advancing cold fronts. In particular, a downdraft from an advancing storm front can cause moist warm air to rise, cool below its dew point, and so form a cloud. When this happens uniformly along an extended front, a roll cloud may form. Roll clouds may actually have air circulating along the long horizontal axis of the cloud. A roll cloud is not thought to be able to morph into a tornado. Unlike a similar shelf cloud, a roll cloud, a type of Arcus cloud, is completely detached from their parent cumulonimbus cloud. Pictured above, a roll cloud extends far into the distance in 2009 January above Las Olas Beach in Maldonado, Uruguay. http://commons.wikimedia.org/wiki/File:Roll-cloud.JPG Starship Asterisk* • APOD Discussion Page http://asterisk.apod.com/discuss_apod.php?date=130602 Starship Asterisk* • On This Day in APOD http://asterisk.apod.com/view_retro.php?date=0602

SS Cygni Star Mystery Solved: Binary System Found To Be Nearer To Earth Than Thought

By: Clara Moskowitz<p>Published: 05/23/2013 02:04 PM EDT on SPACE.com<p>A strange pair of stars is much closer to Earth than scientists ever thought, a discovery that finally helps explain a puzzling mystery behind the stellar twins, scientists say.<p>The binary star system is made up of a normal star and a …

Feynman: his birthday, his diagrams and his lectures | Jon Butterworth | Life & Physics

This evening BBC2 will show a documentary by Chris Riley about a remarkable man; Richard Feynman. Yesterday, on the 95th anniversary of Feynman's …

Gemini's Paraglider Landing System - It Happened in Space #5

I just found this on Reddit #space http://t.co/I1C7kfip3R

Richard Feynman: Life, the universe and everything

Flowers, music, strip clubs...Richard Feynman's scientific curiosity knew no bounds. Christopher Riley pays tribute to an eccentric genius<p>In these days of frivolous entertainments and frayed attention spans, the people who become famous are not necessarily the brightest stars. One of the biggest …

Sunrise Over the South Pacific Ocean The sun is about to come up over the South Pacific Ocean in this colorful scene photographed by one of the Expedition 35 crew members aboard the Earth-orbiting International Space Station between 4 and 5 a.m. local time, May 5, 2013. The space station was at a point above Earth located at 27.4 degrees south latitude and 110.1 degrees west longitude, a few hundred miles east of Easter Island. Credit: NASA #nasa #nasagoddard #space #sun #iss

Meteorite crater reveals future of a globally warmed world

The future of a globally warmed world has been revealed in a remote meteorite crater in Siberia, where lake sediments recorded the strikingly balmy …

Quantum computer passes speed test : News blog

The world’s only commercially-available quantum computer has faced much controversy about whether it is actually faster or better than a conventional …