1.0planet forward//www.getitdoneaz.comnational science foundation//www.getitdoneaz.com/author/nationalsciencefoundation/ rich600338<blockquote class="wp-embedded-content" data-secret="vrabnjjtvr"><a href="//www.getitdoneaz.com/story/better-biofilm-reactors-for-microbial-fuel-cells/">better biofilm reactors for microbial fuel cells</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="//www.getitdoneaz.com/story/better-biofilm-reactors-for-microbial-fuel-cells/embed/#?secret=vrabnjjtvr" width="600" height="338" title="“better biofilm reactors for microbial fuel cells” — planet forward" data-secret="vrabnjjtvr" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript"> /* <![cdata[ */ /*! this file is auto-generated */ !function(d,l){"use strict";l.queryselector&&d.addeventlistener&&"undefined"!=typeof url&&(d.wp=d.wp||{},d.wp.receiveembedmessage||(d.wp.receiveembedmessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-za-z0-9]/.test(t.secret)){for(var s,r,n,a=l.queryselectorall('iframe[data-secret="'+t.secret+'"]'),o=l.queryselectorall('blockquote[data-secret="'+t.secret+'"]'),c=new regexp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentwindow&&(s.removeattribute("style"),"height"===t.message?(1e3<(r=parseint(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new url(s.getattribute("src")),n=new url(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeelement===s&&(d.top.location.href=t.value))}},d.addeventlistener("message",d.wp.receiveembedmessage,!1),l.addeventlistener("domcontentloaded",function(){for(var e,t,s=l.queryselectorall("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getattribute("data-secret"))||(t=math.random().tostring(36).substring(2,12),e.src+="#?secret="+t,e.setattribute("data-secret",t)),e.contentwindow.postmessage({message:"ready",secret:t},"*")},!1)))}(window,document); /* ]]> */ </script> northwestern university researchers have found that microbial fuel cells designed to produce electricity and clean wastewater, or biofilm reactors, are more efficient when biofilms don’t become too thick. microbial fuel cells are a potential source of green energy, producing electricity without combustion while cleaning wastewater. but, before industry builds commercial facilities, researchers must carefully assess...