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type="text/css"></style> <div id="ct" class="ct2 wp cl"> <div class="mn"> <div class="bm_haa cl"> <div class="bm_h cl"> <a href="http://www.oecr.com/portal.php?mod=rss&catid=62" class="y xi2 rss" target="_blank" title="RSS">订阅</a><h1 class="xs2">文章</h1> </div></div> <div class="kjkjb"> <div class="bm vw" style="margin-bottom:0;"> <div class="h hm"> <div class="zxtoux"><img src="http://www.oecr.com/uc_server/avatar.php?uid=54876&size=small" /></div> <h1 class="ph">显微摄影技术下的美丽沙子 </h1> <p class="xg1"> 时间：2011-7-8 09:15<a class="zz" href="home.php?mod=space&uid=54876">作者：update</a> 阅读<em id="_viewnum">(2660)</em> 评论: <a href="http://www.oecr.com/portal.php?mod=comment&id=2176&idtype=aid" title="查看全部评论"><em id="_commentnum">1</em></a></p> <div class="zxfb" ><a href="http://www.oecr.com/portal.php?mod=rss&catid=62" class="y xi2 rss" target="_blank" title="RSS">订阅</a></div> </div> <!--[diy=diysummarytop]--><div id="diysummarytop" class="area"></div><!--[/diy]--> <div class="s"> <div class="ss"><div><span>导读： </span>格雷·格林伯格教授拥有英国伦敦大学学院的生物医药专业博士学位，他说：“真是难以想象，当我们走在海边的沙滩上时，我们的脚正踩在这些精致的小东西上面。</div> </div> <!--[diy=diysummarybottom]--><div id="diysummarybottom" class="area"></div><!--[/diy]--> <div class="d"> <!--[diy=diycontenttop]--><div id="diycontenttop" class="area"></div><!--[/diy]--> <table cellpadding="0" cellspacing="0" class="vwtb"><tr><td id="article_content">英国媒体最近公布了一组在250倍放大率下看到的沙子，它们绚丽多彩，结构精细，就像是雪花一般。在远远超过人类视觉分辨率极限的情况下，这些细小的微粒呈现出细碎的结<a href="http://material.oecr.com" target="_blank" class="relatedlink">晶体</a>，海螺的螺旋状碎屑，还有火山岩的碎屑。<br><br>格雷·格林伯格教授拥有英国伦敦大学学院的生物医药专业博士学位，他说：“真是难以想象，当我们走在海边的沙滩上时，我们的脚正踩在这些精致的小东西上面。每一次当我透过显微镜观察的时候，我都会惊叹于大自然的力量，那在海边永恒翻卷的浪花，那种难以置信的复杂性和每一颗沙子独特的个性。”<br><br>格林伯格用针灸的细针仔细拨弄，寻找最好的样本，随后再进行细心的观察<a href="http://display.oecr.com" target="_blank" class="relatedlink">照相</a>，得到这些美丽的作品。5年来，他走遍全球，寻找那些最美丽的细沙用于创作拍摄。<br><br>他说：“极微距摄影往往只能得到非常浅的景深，所以我不得不自己创造一些小的技巧来得到我想要的摄影效果。我在不同焦距上拍摄十几张照片，随后采用<a href="http://opticaldesign.oecr.com" target="_blank" class="relatedlink">软件</a>进行合成。尽管这些照片看起来很简单，如果进行细致的操作，拍摄一组这样的照片就需要数个小时。”他说：“距离我最近的沙滩是夏威夷的海库沙滩(Haiku)，但是我拍摄的沙子来自全球各地，从日本到爱尔兰。”<br><br>在光学镜头的帮助下，世界能带给我们更多的东西。<br><br> <p><a href="http://www.oecr.com/data/attachment/portal/201107/08/0912559vvr0jbvb61ncc22.jpg" target="_blank"><img src="http://www.oecr.com/data/attachment/portal/201107/08/0912559vvr0jbvb61ncc22.jpg"></a></p> <p>在显微镜下，沙粒呈现出精致的结构和斑斓的色彩</p> <p><a href="http://www.oecr.com/data/attachment/portal/201107/08/091251f933z11bfjy123bb.jpg" target="_blank"><img src="http://www.oecr.com/data/attachment/portal/201107/08/091251f933z11bfjy123bb.jpg"></a></p> <p>在远远超过人类视觉分辨率极限的情况下，这些细小的微粒呈现出细碎的结晶体，海螺的螺旋状碎屑，还有火山岩的碎屑</p> <p><a href="http://www.oecr.com/data/attachment/portal/201107/08/091245t6t3646fj43aq4s2.jpg" target="_blank"><img src="http://www.oecr.com/data/attachment/portal/201107/08/091245t6t3646fj43aq4s2.jpg"></a></p> <p>当我们漫步沙滩，我们竟然正行走在这些“艺术珍品”之上</p> <div><font color="#808080" size="2"><img src="http://www.oecr.com/xwb/images/bgimg/icon_logo.png"> 已同步至 <a href="http://ome.ac.cn/index.php?m=show&id=13899748569" target="_blank">update的微博</a></font></div></td></tr></table> <!--[diy=diycontentbottom]--><div id="diycontentbottom" class="area"></div><!--[/diy]--> <script src="data/cache/home.js?eOg" type="text/javascript"></script> <div id="click_div"><table cellpadding="0" cellspacing="0" class="atd"> <tr><td> <a href="http://club.oecr.com/home.php?mod=spacecp&ac=click&op=add&clickid=1&idtype=aid&id=2176&hash=7c3a0a085a4a03ae3a244b23970f7556&handlekey=clickhandle" id="click_aid_2176_1" onclick="showWindow(this.id, this.href);doane(event);"> <img src="static/image/click/jidan.gif" alt="" /><br />鸡蛋</a> </td> <td> <a href="http://club.oecr.com/home.php?mod=spacecp&ac=click&op=add&clickid=2&idtype=aid&id=2176&hash=7c3a0a085a4a03ae3a244b23970f7556&handlekey=clickhandle" id="click_aid_2176_2" onclick="showWindow(this.id, this.href);doane(event);"> <img src="static/image/click/xianhua.gif" alt="" /><br />鲜花</a> </td> <td> <a href="http://club.oecr.com/home.php?mod=spacecp&ac=click&op=add&clickid=3&idtype=aid&id=2176&hash=7c3a0a085a4a03ae3a244b23970f7556&handlekey=clickhandle" id="click_aid_2176_3" onclick="showWindow(this.id, this.href);doane(event);"> <div class="atdc"> <div class="ac1" style="height:50px;"> <em>9</em> </div> </div> <img src="static/image/click/woshou.gif" alt="" /><br />握手</a> </td> <td> <a href="http://club.oecr.com/home.php?mod=spacecp&ac=click&op=add&clickid=4&idtype=aid&id=2176&hash=7c3a0a085a4a03ae3a244b23970f7556&handlekey=clickhandle" id="click_aid_2176_4" onclick="showWindow(this.id, this.href);doane(event);"> <img src="static/image/click/leiren.gif" alt="" /><br />雷人</a> </td> <td> <a href="http://club.oecr.com/home.php?mod=spacecp&ac=click&op=add&clickid=5&idtype=aid&id=2176&hash=7c3a0a085a4a03ae3a244b23970f7556&handlekey=clickhandle" id="click_aid_2176_5" onclick="showWindow(this.id, 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