diff --git a/node/server.js b/node/server.js
index 422bbe120..c0d6ce6ad 100644
--- a/node/server.js
+++ b/node/server.js
@@ -114,7 +114,15 @@ async.waterfall([
       gracefulShutdown();
     });
     
+    //serve minified files
+    app.get('/minified/:filename', minify.minifyJS);
+
     //serve static files
+    app.get('/static/js/require-kernel.js', function (req, res, next) {
+      res.header("Content-Type","application/javascript; charset: utf-8");
+      res.write(minify.requireDefinition());
+      res.end();
+    });
     app.get('/static/*', function(req, res)
     { 
       var filePath = path.normalize(__dirname + "/.." +
diff --git a/node/utils/Minify.js b/node/utils/Minify.js
index 016739b1a..348f25373 100644
--- a/node/utils/Minify.js
+++ b/node/utils/Minify.js
@@ -29,6 +29,7 @@ var pro = require("uglify-js").uglify;
 var path = require('path');
 var Buffer = require('buffer').Buffer;
 var gzip = require('gzip');
+var RequireKernel = require('require-kernel');
 var server = require('../server');
 var os = require('os');
 
@@ -173,22 +174,31 @@ function _handle(req, res, jsFilename, jsFiles) {
           var type = item.match(/INCLUDE_[A-Z]+/g)[0].substr("INCLUDE_".length);
         
           //read the included file
-          fs.readFile(ROOT_DIR + filename, "utf-8", function(err, data)
+          var shortFilename = filename.replace(/^..\/static\/js\//, '');
+          if (shortFilename == 'require-kernel.js') {
+            // the kernel isn’t actually on the file system.
+            handleEmbed(null, requireDefinition());
+          } else {
+            fs.readFile(ROOT_DIR + filename, "utf-8", handleEmbed);
+          }
+          function handleEmbed(err, data)
           {         
             if(ERR(err, callback)) return;
 
             if(type == "JS")
             {
-              var shortFilename = filename.replace(/^..\/static\/js\//, '');
-              embeds[filename] = compressJS([isolateJS(data, shortFilename)]);
+              if (shortFilename == 'require-kernel.js') {
+                embeds[filename] = compressJS([data]);
+              } else {
+                embeds[filename] = compressJS([isolateJS(data, shortFilename)]);
+              }
             }
             else
             {
               embeds[filename] = compressCSS([data]);
             }
-
             callback();
-          });
+          }
         }, function(err)
         {
           if(ERR(err, callback)) return;
@@ -294,21 +304,35 @@ function _handle(req, res, jsFilename, jsFiles) {
   }
 }
 
+exports.requireDefinition = requireDefinition;
+function requireDefinition() {
+  return 'var require = ' + RequireKernel.kernelSource + ';\n';
+}
+
 function tarCode(filesInOrder, files, write) {
   for(var i = 0, ii = filesInOrder.length; i < filesInOrder.length; i++) {
     var filename = filesInOrder[i];
     write("\n\n\n/*** File: static/js/" + filename + " ***/\n\n\n");
     write(isolateJS(files[filename], filename));
   }
+
+  for(var i = 0, ii = filesInOrder.length; i < filesInOrder.length; i++) {
+    var filename = filesInOrder[i];
+    write('require(' + JSON.stringify('/' + filename.replace(/^\/+/, '')) + ');\n');
+  }
 }
 
 // Wrap the following code in a self executing function and assign exports to
 // global. This is a first step towards removing symbols from the global scope.
 // exports is global and require is a function that returns global.
 function isolateJS(code, filename) {
-  return '(function (exports, require) {'
-    + code + '\n'
-    + '}(function () {return this}(), (function (path) {return (function () {return this}())})));\n';
+  var srcPath = JSON.stringify('/' + filename);
+  var srcPathAbbv = JSON.stringify('/' + filename.replace(/\.js$/, ''));
+  return 'require.define({'
+    + srcPath + ': '
+      + 'function (require, exports, module) {' + code + '}'
+    + (srcPath != srcPathAbbv ? '\n,' + srcPathAbbv + ': null' : '')
+    + '});\n';
 }
 
 function compressJS(values)
diff --git a/package.json b/package.json
index efc89fd7a..6567e5324 100644
--- a/package.json
+++ b/package.json
@@ -10,6 +10,7 @@
                         "name": "Robin Buse" }
                      ],
   "dependencies"   : {
+                      "require-kernel"      : "1.0.0",
                       "socket.io"           : "0.8.7",
                       "ueberDB"             : "0.1.3",
                       "async"               : "0.1.15",
diff --git a/static/js/ace.js b/static/js/ace.js
index 78a79d7ec..8ecfbc0cb 100644
--- a/static/js/ace.js
+++ b/static/js/ace.js
@@ -216,25 +216,41 @@ function Ace2Editor()
 
     return {embeded: embededFiles, remote: remoteFiles};
   }
+  function pushRequireScriptTo(buffer) {
+    /* Folling is for packaging regular expression. */
+    /* $$INCLUDE_JS("../static/js/require-kernel.js"); */
+    var KERNEL_SOURCE = '../static/js/require-kernel.js';
+    if (Ace2Editor.EMBEDED && Ace2Editor.EMBEDED[KERNEL_SOURCE]) {
+      buffer.push('<script type="text/javascript">');
+      buffer.push(Ace2Editor.EMBEDED[KERNEL_SOURCE]);
+      buffer.push('<\/script>');
+    } else {
+      buffer.push('<script type="application/javascript" src="'+KERNEL_SOURCE+'"><\/script>');
+    }
+  }
   function pushScriptTagsFor(buffer, files) {
     var sorted = sortFilesByEmbeded(files);
     var embededFiles = sorted.embeded;
     var remoteFiles = sorted.remote;
 
-    if (embededFiles.length > 0) {
-      buffer.push('<script type="text/javascript">');
-      for (var i = 0, ii = embededFiles.length; i < ii; i++) {
-        var file = embededFiles[i];
-        buffer.push(Ace2Editor.EMBEDED[file].replace(/<\//g, '<\\/'));
-        buffer.push(';\n');
-      }
-      buffer.push('<\/script>');
-    }
     for (var i = 0, ii = remoteFiles.length; i < ii; i++) {
       var file = remoteFiles[i];
       file = file.replace(/^\.\.\/static\/js\//, '../minified/');
       buffer.push('<script type="application/javascript" src="' + file + '"><\/script>');
     }
+
+    buffer.push('<script type="text/javascript">');
+    for (var i = 0, ii = embededFiles.length; i < ii; i++) {
+      var file = embededFiles[i];
+      buffer.push(Ace2Editor.EMBEDED[file].replace(/<\//g, '<\\/'));
+      buffer.push(';\n');
+    }
+    for (var i = 0, ii = files.length; i < ii; i++) {
+      var file = files[i];
+      file = file.replace(/^\.\.\/static\/js\//, '');
+      buffer.push('require('+ JSON.stringify('/' + file) + ');\n');
+    }
+    buffer.push('<\/script>');
   }
   function pushStyleTagsFor(buffer, files) {
     var sorted = sortFilesByEmbeded(files);
@@ -320,6 +336,7 @@ function Ace2Editor()
       $$INCLUDE_JS("../static/js/linestylefilter.js");
       $$INCLUDE_JS("../static/js/domline.js");
       $$INCLUDE_JS("../static/js/ace2_inner.js");
+      pushRequireScriptTo(iframeHTML);
       pushScriptTagsFor(iframeHTML, includedJS);
 
       iframeHTML.push('<style type="text/css" title="dynamicsyntax"></style>');
diff --git a/static/pad.html b/static/pad.html
index fba52b782..4b4b42261 100644
--- a/static/pad.html
+++ b/static/pad.html
@@ -13,14 +13,12 @@
   var clientVars = {};  
   // ]]>
   </script>
+  <script src="../static/js/require-kernel.js"></script>
   <script src="../socket.io/socket.io.js"></script>
   <script src="../minified/pad.js"></script>
   <link href="../static/custom/pad.css" rel="stylesheet">
   <script src="../static/custom/pad.js"></script>
   <style type="text/css" title="dynamicsyntax"></style>
-  <script type="application/javascript">
-    var require = (function (path) {return (function () {return this}())});
-  </script>
 </head>
 
 <body>
diff --git a/static/timeslider.html b/static/timeslider.html
index a416562e8..4e85047e3 100644
--- a/static/timeslider.html
+++ b/static/timeslider.html
@@ -9,6 +9,7 @@
   <link rel="stylesheet" href="../../static/css/timeslider.css">
   <style type="text/css" title="dynamicsyntax"></style>
   
+  <script type="text/javascript" src="../../static/js/require-kernel.js"></script>
   <script type="text/javascript" src="../../socket.io/socket.io.js"></script>
   <script type="text/javascript" src="../../minified/timeslider.js"></script>
   
@@ -19,8 +20,6 @@
 // <![CDATA[
   var clientVars = {};
 
-  var require = (function (path) {return (function () {return this}())});
-
   /* TODO: These globals shouldn't exist. */
   padeditbar = require('/pad_editbar').padeditbar;
   padimpexp = require('/pad_impexp').padimpexp;