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Smallest lightbulb ever
janekl
follow
1
5-7-2009 7:34 AM
172 views
tags:
nanotechnology
,
carbon
,
nanotube
,
light
,
lightbulb
,
engineering
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<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/3b38c76f-95dd-47bd-ab5a-09be67e503ec/88BD92F1-ACDF-41B1-814F-CD3EE7580548/" 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.livescience.com/php/multimedia/imagedisplay/img_display.php?s=technology&c=rbritt-columnist-153x65&l=on&pic=090506-smallest-light-bulb-02.jpg&cap=Rather+than+a+photo%2C+scientists+supplied+this+artist%27s+rendering+of+the+two+techniques+used+to+%22see%22+the+carbon+nanotube+lamp+in+what%27s+claimed+to+be+the+world%27s+smallest+incandescent+light+bulb.+Visible+light+microscopy+%28top%29+and+electron+microscopy+%28middle%29.+The+nanotube+filament+is+1.4+micrometers+long+but+only+13+nanometers+%28about+100+carbon+atoms%29+in+diameter.++Credit%3A+UCLA&title" href="http://www.livescience.com/php/multimedia/imagedisplay/img_display.php?s=technology&c=rbritt-columnist-153x65&l=on&pic=090506-smallest-light-bulb-02.jpg&cap=Rather+than+a+photo%2C+scientists+supplied+this+artist%27s+rendering+of+the+two+techniques+used+to+%22see%22+the+carbon+nanotube+lamp+in+what%27s+claimed+to+be+the+world%27s+smallest+incandescent+light+bulb.+Visible+light+microscopy+%28top%29+and+electron+microscopy+%28middle%29.+The+nanotube+filament+is+1.4+micrometers+long+but+only+13+nanometers+%28about+100+carbon+atoms%29+in+diameter.++Credit%3A+UCLA&title" style="font-size: 11px;">www.livescience.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.livescience.com/php/multimedia/imagedisplay/img_display.php?s=technology&c=rbritt-columnist-153x65&l=on&pic=090506-smallest-light-bulb-02.jpg&cap=Rather+than+a+photo%2C+scientists+supplied+this+artist%27s+rendering+of+the+two+techniques+used+to+%22see%22+the+carbon+nanotube+lamp+in+what%27s+claimed+to+be+the+world%27s+smallest+incandescent+light+bulb.+Visible+light+microscopy+%28top%29+and+electron+microscopy+%28middle%29.+The+nanotube+filament+is+1.4+micrometers+long+but+only+13+nanometers+%28about+100+carbon+atoms%29+in+diameter.++Credit%3A+UCLA&title"><div align="center"><img src="http://content9.clipmarks.com/blog_cache/www.livescience.com/img/3C9844DF-02F9-4900-A6FE-422DE1FC819C" alt="Rather than a photo, scientists supplied this artist\'s rendering of the two techniques used to \" /></div></blockquote><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://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.livescience.com/technology/090506-smallest-light-bulb-1.html" href="http://www.livescience.com/technology/090506-smallest-light-bulb-1.html" style="font-size: 11px;">www.livescience.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.livescience.com/technology/090506-smallest-light-bulb-1.html">Rather than a photo, scientists supplied this artist's rendering of the two techniques used to "see" the carbon nanotube lamp in what's claimed to be the world's smallest incandescent light bulb. Visible light microscopy (top) and electron microscopy (middle). The nanotube filament is 1.4 micrometers long but only 13 nanometers (about 100 carbon atoms) in diameter. </blockquote><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://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.sciencedaily.com/releases/2009/05/090506160542.htm" href="http://www.sciencedaily.com/releases/2009/05/090506160542.htm" style="font-size: 11px;">www.sciencedaily.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.sciencedaily.com/releases/2009/05/090506160542.htm">To the unaided eye, the filament is completely invisible when the lamp is off, but it appears as tiny point of light when the lamp is turned on. </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.sciencedaily.com/releases/2009/05/090506160542.htm">With less than 20 million atoms, the nanotube filament is both large enough to apply the statistical assumptions of thermodynamics and small enough to be considered as a molecular — that is, quantum mechanical — system.</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.sciencedaily.com/releases/2009/05/090506160542.htm">Because both the topic (black-body radiation) and the size scale (nano) are on the boundary between the two theories, we think this is a very promising system to explore</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;"> </td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/88BD92F1-ACDF-41B1-814F-CD3EE7580548/blog/" title="blog or email this clip"><img src="http://content8.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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