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Scientists defy gravity by getting droplets to flow uphill
michellezm
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12
10-6-2007 11:28 AM
743 views
tags:
science
,
water
,
current affairs
2 Comments
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10-6-2007
1:37 PM
aculton
Very interesting.
10-21-2007
1:33 PM
Kore7
Wow, cool!
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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://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="see clips that are hot right now"><img src="http://content.clipmarks.com/blog_embed/25e1ff2e-372c-487d-8959-3db43eb11be4/391FD059-8CE0-4E33-971A-4401FB23523C/" 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.dailymail.co.uk/pages/live/articles/technology/technology.html?in_article_id=485942&in_page_id=1965&in_a_source=" href="http://www.dailymail.co.uk/pages/live/articles/technology/technology.html?in_article_id=485942&in_page_id=1965&in_a_source=" style="font-size: 11px;">www.dailymail.co.uk</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.dailymail.co.uk/pages/live/articles/technology/technology.html?in_article_id=485942&in_page_id=1965&in_a_source="><P> British scientists have managed to make water trickle up a steep slope. </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://www.dailymail.co.uk/pages/live/articles/technology/technology.html?in_article_id=485942&in_page_id=1965&in_a_source="><P> The secret of their success lies in nothing more than shaking the surface the droplets were lying on - in this case a plastic plate. </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://www.dailymail.co.uk/pages/live/articles/technology/technology.html?in_article_id=485942&in_page_id=1965&in_a_source="><div align="center"><img src="http://content6.clipmarks.com/blog_cache/www.dailymail.co.uk/img/0B5AB859-8A58-43D0-A331-CE64E3053803" alt="gravity-defying water" /></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://www.dailymail.co.uk/pages/live/articles/technology/technology.html?in_article_id=485942&in_page_id=1965&in_a_source="><P> When the plate is held at and angle and the vibrations are sufficiently strong, small drops can buck gravity and travel uphill - even mastering inclines as steep as 85 degrees. </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://www.dailymail.co.uk/pages/live/articles/technology/technology.html?in_article_id=485942&in_page_id=1965&in_a_source="><P> Researcher Jens Eggers said it is likely the secret lies in the way the vibrations alter the shape of the droplets - and the forces acting on them. </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://www.dailymail.co.uk/pages/live/articles/technology/technology.html?in_article_id=485942&in_page_id=1965&in_a_source="><P> The professor of applied maths said: "This is totally new. It's never been done before - and we're still not totally sure what's happening. </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://www.dailymail.co.uk/pages/live/articles/technology/technology.html?in_article_id=485942&in_page_id=1965&in_a_source="><P> "As the shaking plate rises the drop is compressed, while it bulges upwards as the plate falls. </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://www.dailymail.co.uk/pages/live/articles/technology/technology.html?in_article_id=485942&in_page_id=1965&in_a_source="><div align="center"><img src="http://content7.clipmarks.com/blog_cache/www.dailymail.co.uk/img/3685C67C-2547-47A9-B2A8-7F1005D1A9AD" alt="gravity-defying water" /></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://www.dailymail.co.uk/pages/live/articles/technology/technology.html?in_article_id=485942&in_page_id=1965&in_a_source="><P> "If the shaking is vigorous enough to overcome the surface tension experienced as the drop is compressed, the drop will tend to lean forward, producing a net force which drives the drop uphill." </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;"> </td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/391FD059-8CE0-4E33-971A-4401FB23523C/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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