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Copy and Paste the following code into a new blog post... <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://www.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="clipmarks' clip-to-blog"><img src="http://content.clipmarks.com/blog_embed/b444b8a1-a535-478b-8f89-74af5410f9dd/8D9ABD34-9071-4E9E-88A1-FCB8DE162E66/" 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://science.howstuffworks.com/light-propulsion.htm" href="http://science.howstuffworks.com/light-propulsion.htm" style="font-size: 11px;">science.howstuffworks.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://science.howstuffworks.com/light-propulsion.htm"><SPAN class="articleTitle">How Light Propulsion Will Work</SPAN></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://science.howstuffworks.com/light-propulsion.htm"><CENTER><IMG src="http://static.howstuffworks.com/gif/light-propulsion-smallcraft2.jpg" /> <FONT size="-2">Photo courtesy Rensselaer Polytechnic Institute</FONT> <FONT size="-1"><B>An early model of a laser-propelled lightcraft</B></FONT> </CENTER></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://science.howstuffworks.com/light-propulsion.htm">The basic idea behind light propulsion is the use of ground-based lasers to heat air to the point that it explodes, propelling the spacecraft forward. If it works, light propulsion will be thousands of times lighter and more efficient than chemical rocket engines, and will produce zero pollution.</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://science.howstuffworks.com/light-propulsion.htm"><table background="undefined" bgcolor=""><tr><TD><CENTER><IMG src="http://static.howstuffworks.com/gif/light-propulsion-3.jpg" /> <FONT size="-2">Photo courtesy Rensselaer</FONT> <FONT size="-1"><B>A lightcraft in action. The bright light you see is the air combusting under the rim of the craft.</B></FONT> </CENTER> </TD></tr></table></blockquote><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://www.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="clipmarks' clip-to-blog"><img src="http://content9.clipmarks.com/images/clip-icon.gif" 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://science.howstuffworks.com/light-propulsion1.htm" href="http://science.howstuffworks.com/light-propulsion1.htm" style="font-size: 11px;">science.howstuffworks.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://science.howstuffworks.com/light-propulsion1.htm"><div align="center"><img src="http://content6.clipmarks.com/blog_cache/science.howstuffworks.com/img/DF2D0A1F-E762-439A-BF5B-D3516C651C6D" alt="" /></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://science.howstuffworks.com/light-propulsion1.htm"><B>As the laser pulses, it superheats the air until it combusts. Each time the air combusts, it creates a flash of light, as seen in this photo of a test flight.</B></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://science.howstuffworks.com/light-propulsion1.htm"> A company called <A href="http://www.howstuffworks.com/framed.htm?parent=light-propulsion.htm&url=http://www.lightcrafttechnologies.com/">Lightcraft Technologies</A> continues to refine the research that began at <A href="http://www.howstuffworks.com/framed.htm?parent=light-propulsion.htm&url=http://www-aero.meche.rpi.edu/Curriculum/TAVD/index.html">Rensselaer Polytechnic Institute</A> in Troy, N.Y. </blockquote><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://www.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="clipmarks' clip-to-blog"><img src="http://content7.clipmarks.com/images/clip-icon.gif" 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://www.lightcrafttechnologies.com/" href="http://www.lightcrafttechnologies.com/" style="font-size: 11px;">www.lightcrafttechnologies.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.lightcrafttechnologies.com/"><div align="center"><img src="http://content8.clipmarks.com/blog_cache/www.lightcrafttechnologies.com/img/A3B05246-88EF-4C20-9EA9-A7B99133D4D1" alt="" /></div></blockquote><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://www.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="clipmarks' clip-to-blog"><img src="http://content9.clipmarks.com/images/clip-icon.gif" 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://www.youtube.com/watch?v=LAdj6vpYppA" href="http://www.youtube.com/watch?v=LAdj6vpYppA" style="font-size: 11px;">www.youtube.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.youtube.com/watch?v=LAdj6vpYppA"><H1>Laser Pumped Flying Saucer Spacecraft</H1></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://www.youtube.com/watch?v=LAdj6vpYppA"><div align="center"><embed src="http://www.youtube.com/v/LAdj6vpYppA&hl=en&fs=1&" height="329" width="400" wmode="opaque" quality="high" type="application/x-shockwave-flash"></embed></div></blockquote><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://www.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="clipmarks' clip-to-blog"><img src="http://content6.clipmarks.com/images/clip-icon.gif" 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://www.youtube.com/watch?v=-Nm16wp0kMs" href="http://www.youtube.com/watch?v=-Nm16wp0kMs" style="font-size: 11px;">www.youtube.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.youtube.com/watch?v=-Nm16wp0kMs"><H1>RPI Prof Leik Myrabo Lightcraft Research</H1></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://www.youtube.com/watch?v=-Nm16wp0kMs"><div align="center"><embed src="http://www.youtube.com/v/-Nm16wp0kMs&hl=en&fs=1&" height="329" width="400" wmode="opaque" quality="high" type="application/x-shockwave-flash"></embed></div></blockquote><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://www.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="clipmarks' clip-to-blog"><img src="http://content7.clipmarks.com/images/clip-icon.gif" alt="" width="19" height="19" border="0" style="vertical-align: middle; 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clipped from science.howstuffworks.com

How Light Propulsion Will Work

Photo courtesy Rensselaer Polytechnic Institute An early model of a laser-propelled lightcraft

The basic idea behind light propulsion is the use of ground-based lasers to heat air to the point that it explodes, propelling the spacecraft forward. If it works, light propulsion will be thousands of times lighter and more efficient than chemical rocket engines, and will produce zero pollution.

Photo courtesy Rensselaer A lightcraft in action. The bright light you see is the air combusting under the rim of the craft.

clipped from science.howstuffworks.com

As the laser pulses, it superheats the air until it combusts. Each time the air combusts, it creates a flash of light, as seen in this photo of a test flight.

A company called Lightcraft Technologies continues to refine the research that began at Rensselaer Polytechnic Institute in Troy, N.Y.

clipped from www.lightcrafttechnologies.com

clipped from www.youtube.com

Laser Pumped Flying Saucer Spacecraft

clipped from www.youtube.com

RPI Prof Leik Myrabo Lightcraft Research

clipped from www.space.com

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