Carbon nanotubes are a kind of tubular molecular structure made of carbon. In particular, carbon nanotubes (invented in 1991) are known for their excellent electrical and mechanical properties. These properties come from the structure of the carbon nanotubes. In nanotubes, carbon atoms are arranged in a hexagonal spiral.
Prof. Pulickel M. Ajayan and Professor Otto Z. Zhou said that the symmetry of carbon nanotubes along their diameter causes a huge change in electron density, making it unique in electrons. characteristic.
TechCrunch said that carbon nanotubes have great potential for application. For example, MIT developed a sensor that can detect toxic substances using circuits based on carbon nanotube technology. The current trend of computer development is low energy consumption and high performance. As a chip material, the performance of carbon nanotubes is superior to that of silicon.
Subhasish Mitra, associate professor of electrical engineering and computer science at Stanford University, said: "Carbon nanotubes are an excellent material that may be complementary to silicon."
Mitra and his colleague, Philip Wong, a professor of electrical engineering at Stanford University, are working with IBM and other organizations to develop a new generation of computers based on carbon nanotube processors. Their goal is to develop a computer prototype that uses carbon nanotube technology and has an increased performance ratio.
Mitra said, "If we use carbon nanotube transistors instead of silicon transistors, the performance ratio can be increased by 1000 times."
Mitra pointed out that smart phones are also computers. "Users may have smart phones with computing power comparable to Watson computers. Smartphones can even process data collected by millions of sensors." For technologies that provide extremely high computing power, users are willing to pay for it. The new generation of smart phones may reach the current speed of 30 times, and only need to charge once a month.
After mentioning the application of carbon nanotubes in the “Internet of Things and other fieldsâ€, Mitla was anxious to point out that the research and manufacture of carbon nanotubes are two different things. Mitra said that although research has made progress, "unless absolutely sure", smart phone manufacturers may not adopt new technologies, "We hope they can try carbon nanotubes earlier."
TechCrunch said that Mitra said that for the commercial application of carbon nanotubes, 10 or 15 years is a more realistic timetable.
Manufacturing carbon nanotubes is a problem. For example, Rice University Labs developed a process called "Teslaforesis" that produces self-assembled carbon nanotubes. Paul Cherukuri, assistant professor of chemistry at Rice University, said in a video released by the university, “We have found that in the electric field, carbon nanotubes can be automatically connected to form wires.â€
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Animate({scrollLeft:parseInt(t,10)},500)},u=function(o){if(!(0>o||o>e-1)){var a=i.dom.$playlist_scol ;$item =t.filter(":eq("+o+")"),s(a.scrollLeft()+$item.position().left-a.width()/2+n/2),l=o }},d=function(i){var e="current";t.find("> a."+e).removeClass(e),t.filter(":eq("+i+")") .find("> a ").addClass(e)},c=function(t){var e,o=i.dom.$playlist_scol,l=o.scrollLeft(),r=Math.round(.7o .width());"forward"===t?e=l+r:"backward"===t&&(e=lr),n>e?e=0:e>an&&(e=a), s(e)},p=function(){t=i.dom.$playlist_list.find("> li"),e=t.length,n=t.filter(":eq(0)"). outerWidth(!0),o=i.dom.$playlist_scol.width()/n,i.dom.$playlist_list.css("width",en),a=i.dom.$playlist_list.outerWidth(!0 )-i.dom.$playlist_scol.width()};return{init:r,setCurrentToIdx:d,scrollToItemIdx:u,forward:function(){c("forward")},backward:function(){c( "backward")}, hide:function(){return i.dom.$playlist_node.slideUp(300)},update:p}}();t.playlist=o;var a=function(){var t, e=!1,n=function(){var t=i.libs.jQuery,e={};e.top=i.dom.$root.offset().top,e.btm=e.top+ I.dom.$root.height();var n={height:t(window).height(),scrollTop:t(window).scrollTop()},o=e.top>=n.scroll Top&&n.scrollTop+n.height>=e.top,a=e.btm>=n.scrollTop&&n.scrollTop+n.height>=e.btm,l=e.top=d;c?(s=0- r/2-i.dom.$player_wrap.width()-10,u="50%"):(s=0,u=0),i.dom.$player_wrap.css({"margin-left" :s,left:u})}}"1"!==i.fn.miniUnMuteSign.get()&&i.player.setFlashVolume(0)}i.player.resizePlayer(),i.dom.$player_wrap.css ("visibility","visible"),t=l}},100),l=function(){if(!i.utils.browser.isIe6orLower()){var t=i.libs.jQuery;t( Window).scroll(a),t(window).resize(a),i.dom.$player_mini_ctrl.on("click","a[data-action=close]",function(t){t.preventDefault (),e=!0,a(),i.player&&i.player.tvp_player_obj&&i.player.tvp_player_obj.pause&&i.player.tvp_player_obj.pause()}),i.dom.$player_mini_ctrl.on("click"," a[data-action=resize]",function(t){t.preventDefault(),i.dom.$player_wrap.toggleClass("rv-player-mini-big"),i.player.resizePlayer()}) ;var n=i.dom.$player_mini_ctrl.find("a[data-action=mute]"),o=function(){var t=i.player.getFlashVolume();"number"==typeof t? n.removeClass("mute-off mute-on").addClass(0===t?"mute-on ":"mute-off"):n.hide()};o(),n.click(function(){var t=0===i.player.getFlashVolume();i.player.setFlashVolume(t ?80:0,!0)}),i.player.bind("onvolumechange",function(){o(),i.sign.vol_change_by_prog||(i.player.getFlashVolume()>0?i.fn .miniUnMuteSign.on():i.fn.miniUnMuteSign.off())})}}; return {detectVisible:n,init:l}}();t.scrollPlay=a,t.init=function(){ Var t=i.libs.jQuery;i.dom.$root=t(".rv-js-root"),i.dom.$title=i.dom.$root.find(".rv-title a "),i.dom.$autoplay_sw=i.dom.$root.find(".rv-js-autoplay"),i.dom.$player_wrap=i.dom.$root.find(".rv-player -wrap"),i.dom.$player_mod=i.dom.$player_wrap.find(".rv-player-mod"),i.dom.$player_mini_ctrl=i.dom.$player_wrap.find(".rv -player-mini-ctrl"),i.dom.$playlist_node=i.dom.$root.find(".rv-playlist"),i.dom.$playlist_scol=i.dom.$playlist_node.find(" .rv-playlist-scroller"),i.dom.$playlist_list=i.dom.$playlist_node.find("ol.rv-playlist-list"),i.dom.$playlist_ctrl=i.dom.$playlist_node. Find(".rv-playlist-ctrl a"),i.dom.$playlist_prev=i.dom.$playlist_ctrl.filter(".pr Ev"),i.dom.$playlist_next=i.dom.$playlist_ctrl.filter(".next");var n=["nba"];window.ARTICLE_INFO&&~t.inArray(window.ARTICLE_INFO.sub_nav,n }&&(i.dom.$root.addClass("rv-adjust-wide-article"),t(window).resize(i.utils.throttle(function(){i.player&&i.player.resizePlayer&&i.player. resizePlayer()},50))),e=!0},i.ui=t}(window.dc_related_video),function(i){var t,e,n={},o={},a= {},l=function(){var i=function(i){return function(){for(var t=0;t=t&&t+518>i}function n(){e()&&!r&&(i .utils.loadTvp(l),r=!0)}var o=t;i.libs.$=i.libs.jQuery=t,i.utils.debug_log("jquery version is ",i.libs.$ ().jquery),i.userinfo={qq:i.utils.cookie.get("o_cookie")||null},i.config.autoplay_cookie={key:"aboutVideo_v",domain:".qq.com ",path:"/",expires:90},i.config.playing_cookie={key:"dc_vplaying",domain:".qq.com",path:"/",expires:function(){return new Date ((new Date).getTime()+72e5)}},i.config.mini_unmute={key:"rv_mini_unmute",domain:".qq.com",path:"/",expires:1},i. Sign.autoplay=function(){return window.preventAutoPlay===!0?!1:! 0===i.fn.playingGlobalSign.isAnyonePlaying()?!1:"0"===i.fn.autoPlaySign.get()?!1:!("1"===i.fn.playingSign. Get()&&!/\bQQBrowser/i.test(window.navigator.userAgent))}(),i.utils.debug_log("auto play sign: ",i.sign.autoplay),i.ui.init( );var a=function(t){if(t!==i.modName&&i.player.tvp_player_obj)if(i.sign.autoplay=!1,i.utils.debug_log("tring to pause by event... .),i.sign.playstatus&&"play"!==i.sign.playstatus)if("ad"===i.sign.playstatus){i.utils.debug_log("paused(stopvideo) by event" );try{i.player.tvp_player_obj.getPlayer().stopVideo()}catch(e){}}else{i.utils.debug_log("paused by event");try{i.player.tvp_player_obj.pause( }} catch(e){}}else"tostart"==t?i.player.tvp_player_obj.getPlayer().stopVideo():(i.utils.debug_log("will stop after __addlstart or playing"),i. sign.pauseWhenPlay=!0)},l=function(t){i.libs.tvp=t;var n="related_video_info";if(!window[n]||!window[n].vid)return void I.utils.debug_log("Error: related_video_info not found.");i.vinfo=window[n],i.sign.automute=function(){return!!win dow.isRelvideoMute}(),i.utils.debug_log("auto mute sign: ",i.sign.automute);var l="tvp-mod-player-"+i.vinfo.vid;i.ui.setPlayerModId (l), i.libs.$(window).on("video:pause",function(t,e){i.utils.debug_log("received custom event from ",e),a(e)}) ,i.config.tvp_player={modId:l,autoplay:i.sign.autoplay,loadingadAutoplay:window.preventAutoPlay===!0?!1:i.sign.autoplay,vodFlashSkin:"http://imgcache.qq .com/minivideo_v1/vd/res/skins/TencentPlayerMiniSkin.swf",pic:i.sign.autoplay?"":i.vinfo.pic,flashWmode:"transparent",vodFlashExtVars:{ptag:window.TEN_VIDEO_PTAG||" ",clientbar:0},plugins:{AppBanner:!1,AppRecommend:!1,AppFollow:!1}},i.player.playByVid(i.vinfo.vid),i.ui.setTitle(i.vinfo. Title,i.vinfo.url),i.sign.first_trace_reported=!1,i.player.bind(i.sign.autoplay?"onplay":"onplaying",function(){i.sign.first_trace_reported||i .fn.trace.boss2619(i.sign.autoplay?"first_auto":"first_click",i.vinfo.vid),i.sign.first_trace_reported=!0});var r=!1;i.player.bind ("onplaying",function(){r||i.ui.scrollPlay.init(), r=!0}),i.videos=[];var s=null,u=function(t){t||i.ui.playlist.hide(),s&&clearTimeout(s),i.videos.push( I.vinfo), o.each(t,function(t,e){e.vid!==i.vinfo.vid&&i.videos.push(e)}),i.utils.debug_log(i.videos); Var n="";o.each(i.videos,function(t,e){e.title.replace(/[^\x00-\xff]/gi,"").length>40?e.stitle =i.utils.cutstr2(e.title,40)+"...":e.stitle=e.title,n+="",n+=" ",n+="
",n+="
",n+=" "+e.stitle+"",n+="
",n+=" ",n+=""}),i.dom.$playlist_list.html(n),i.ui.playlist.init();var a=function(t){if(t){var e,n;return o.each(i.videos,function(i,o){return o.vid===t?(e=o,n=i,!1):void 0}),e&&(e .idx=n),e}},l=function(t){if(!(0>t||t>i.videos.length-1)){var e=i.videos[t];i. player.playByVid(e.vid),i.ui.playlist.setCurrentToIdx(t),i.ui.playlist.scrollToItemIdx(t),i.ui.setTitle(e.title,e.url)}};i. Dom.$playlist_list.on("click","a[data-vid]",function(t){t.preventDefault();var e=o(this).attr("data-vid"),n= a(e);l(n.idx),i.fn.trace.boss2619("user_click",e)}),i.player.bind("ongetnext",function(t){i.utils.debug_log( "event: ongetnext");var n=a(t),o=n.idx+1,r=e();o
Source: TechCrunch
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