<div style="margin: 12px 0px; font-family: arial; color: #333333; background: #ffffff; border: solid 4px #e5e5e5; width: 100%; clear: left;"><div class="CM_CTB_Content_Wrap" style="margin: 0px; padding: 0px;background-color: #ffffff;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content.clipmarks.com/blog_embed/60f6e599-085d-466e-8ff2-7e8200f350a9/38D4433B-A9A7-4044-8E61-48DD161A47E5/" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://content1.clipmarks.com/content/1006F9DF-5D48-4BAE-BD68-0BB60D58A100/" href="http://content1.clipmarks.com/content/1006F9DF-5D48-4BAE-BD68-0BB60D58A100/" style="font-size: 11px;">content1.clipmarks.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://content1.clipmarks.com/content/1006F9DF-5D48-4BAE-BD68-0BB60D58A100/"><P><STRONG>June 4, 2009</STRONG> -- Researchers have detected giant, fast-moving waves of air, caused by <A href="http://dsc.discovery.com/discovery-earth-live/#story=Clouds">thunderstorms</A> and other disturbances, above Poker Flat, Alaska, where a new <A href="http://science.howstuffworks.com/radar.htm">radar</A> is churning out the first three-dimensional images of upper atmospheric phenomena in the polar region.</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://content1.clipmarks.com/content/1006F9DF-5D48-4BAE-BD68-0BB60D58A100/"><div align="center"><img src="http://content8.clipmarks.com/blog_cache/content1.clipmarks.com/img/39041C46-FA63-485F-B182-0BD0C516880A" alt="Gravity Waves" /></div></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://content1.clipmarks.com/content/1006F9DF-5D48-4BAE-BD68-0BB60D58A100/"><P>"People have been envisioning doing this project for 40 years," said Eric Donovan, an associate professor of physics and astronomy at the University of Calgary in Alberta, Canada. "There's just a lot going on in this region that we don't understand."</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://content1.clipmarks.com/content/1006F9DF-5D48-4BAE-BD68-0BB60D58A100/"><P>The radar combines 4,096 small antennas, each with its own transmitter, on a single instrument, rather than one giant dish equipped with one powerful transmitter. Rather than physically rotating the radar to point in different directions, the steering is done electronically by slightly phasing each of the antenna elements differently.</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://content1.clipmarks.com/content/1006F9DF-5D48-4BAE-BD68-0BB60D58A100/"><P>"It is really uncharted territory," said Nicolls. "Who knows what we will find."</P></blockquote></div><div style="margin: 0px 6px 6px 4px;"><table style="font-size: 11px;border-spacing: 0px;padding: 0px;" cellpadding="0" cellspacing="0" width="100%"><tr><td style="background:transparent;border-width:0px;padding:0px;">&nbsp;</td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/38D4433B-A9A7-4044-8E61-48DD161A47E5/blog/" title="blog or email this clip"><img src="http://content9.clipmarks.com/images/c2b-foot.png" border="0" alt="blog it" width="107" height="17" style="border-width:0px;padding:0px;margin:0px;" /></a></td></tr></table></div></div>

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