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diff --git a/engine/src/test/jme3test/bullet/TestPhysicsReadWrite.java b/engine/src/test/jme3test/bullet/TestPhysicsReadWrite.java
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+/*
+ * Copyright (c) 2009-2010 jMonkeyEngine
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ *
+ * * Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ *
+ * * Neither the name of 'jMonkeyEngine' nor the names of its contributors
+ *   may be used to endorse or promote products derived from this software
+ *   without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+package jme3test.bullet;
+
+
+import com.jme3.app.SimpleApplication;
+import com.jme3.bullet.BulletAppState;
+import com.jme3.bullet.PhysicsSpace;
+import com.jme3.bullet.collision.shapes.*;
+import com.jme3.bullet.control.RigidBodyControl;
+import com.jme3.bullet.joints.HingeJoint;
+import com.jme3.export.binary.BinaryExporter;
+import com.jme3.export.binary.BinaryImporter;
+import com.jme3.math.Plane;
+import com.jme3.math.Vector3f;
+import com.jme3.renderer.RenderManager;
+import com.jme3.scene.Node;
+import com.jme3.scene.shape.Sphere;
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+/**
+ * This is a basic Test of jbullet-jme functions
+ *
+ * @author normenhansen
+ */
+public class TestPhysicsReadWrite extends SimpleApplication{
+    private BulletAppState bulletAppState;
+    private Node physicsRootNode;
+    public static void main(String[] args){
+        TestPhysicsReadWrite app = new TestPhysicsReadWrite();
+        app.start();
+    }
+
+    @Override
+    public void simpleInitApp() {
+        bulletAppState = new BulletAppState();
+        stateManager.attach(bulletAppState);
+        bulletAppState.getPhysicsSpace().enableDebug(assetManager);
+        physicsRootNode=new Node("PhysicsRootNode");
+        rootNode.attachChild(physicsRootNode);
+
+        // Add a physics sphere to the world
+        Node physicsSphere = PhysicsTestHelper.createPhysicsTestNode(assetManager, new SphereCollisionShape(1), 1);
+        physicsSphere.getControl(RigidBodyControl.class).setPhysicsLocation(new Vector3f(3, 6, 0));
+        rootNode.attachChild(physicsSphere);
+        getPhysicsSpace().add(physicsSphere);
+
+        // Add a physics sphere to the world using the collision shape from sphere one
+        Node physicsSphere2 = PhysicsTestHelper.createPhysicsTestNode(assetManager, physicsSphere.getControl(RigidBodyControl.class).getCollisionShape(), 1);
+        physicsSphere2.getControl(RigidBodyControl.class).setPhysicsLocation(new Vector3f(4, 8, 0));
+        rootNode.attachChild(physicsSphere2);
+        getPhysicsSpace().add(physicsSphere2);
+
+        // Add a physics box to the world
+        Node physicsBox = PhysicsTestHelper.createPhysicsTestNode(assetManager, new BoxCollisionShape(new Vector3f(1, 1, 1)), 1);
+        physicsBox.getControl(RigidBodyControl.class).setFriction(0.1f);
+        physicsBox.getControl(RigidBodyControl.class).setPhysicsLocation(new Vector3f(.6f, 4, .5f));
+        rootNode.attachChild(physicsBox);
+        getPhysicsSpace().add(physicsBox);
+
+        // Add a physics cylinder to the world
+        Node physicsCylinder = PhysicsTestHelper.createPhysicsTestNode(assetManager, new CylinderCollisionShape(new Vector3f(1f, 1f, 1.5f)), 1);
+        physicsCylinder.getControl(RigidBodyControl.class).setPhysicsLocation(new Vector3f(2, 2, 0));
+        rootNode.attachChild(physicsCylinder);
+        getPhysicsSpace().add(physicsCylinder);
+
+        // an obstacle mesh, does not move (mass=0)
+        Node node2 = PhysicsTestHelper.createPhysicsTestNode(assetManager, new MeshCollisionShape(new Sphere(16, 16, 1.2f)), 0);
+        node2.getControl(RigidBodyControl.class).setPhysicsLocation(new Vector3f(2.5f, -4, 0f));
+        rootNode.attachChild(node2);
+        getPhysicsSpace().add(node2);
+
+        // the floor mesh, does not move (mass=0)
+        Node node3 = PhysicsTestHelper.createPhysicsTestNode(assetManager, new PlaneCollisionShape(new Plane(new Vector3f(0, 1, 0), 0)), 0);
+        node3.getControl(RigidBodyControl.class).setPhysicsLocation(new Vector3f(0f, -6, 0f));
+        rootNode.attachChild(node3);
+        getPhysicsSpace().add(node3);
+
+        // Join the physics objects with a Point2Point joint
+        HingeJoint joint=new HingeJoint(physicsSphere.getControl(RigidBodyControl.class), physicsBox.getControl(RigidBodyControl.class), new Vector3f(-2,0,0), new Vector3f(2,0,0), Vector3f.UNIT_Z,Vector3f.UNIT_Z);
+        getPhysicsSpace().add(joint);
+
+        //save and load the physicsRootNode
+        try {
+            //remove all physics objects from physics space
+            getPhysicsSpace().removeAll(physicsRootNode);
+            physicsRootNode.removeFromParent();
+            //export to byte array
+            ByteArrayOutputStream bout=new ByteArrayOutputStream();
+            BinaryExporter.getInstance().save(physicsRootNode, bout);
+            //import from byte array
+            ByteArrayInputStream bin=new ByteArrayInputStream(bout.toByteArray());
+            BinaryImporter imp=BinaryImporter.getInstance();
+            imp.setAssetManager(assetManager);
+            Node newPhysicsRootNode=(Node)imp.load(bin);
+            //add all physics objects to physics space
+            getPhysicsSpace().addAll(newPhysicsRootNode);
+            rootNode.attachChild(newPhysicsRootNode);
+        } catch (IOException ex) {
+            Logger.getLogger(TestPhysicsReadWrite.class.getName()).log(Level.SEVERE, null, ex);
+        }
+
+    }
+
+    private PhysicsSpace getPhysicsSpace(){
+        return bulletAppState.getPhysicsSpace();
+    }
+
+    @Override
+    public void simpleUpdate(float tpf) {
+        //TODO: add update code
+    }
+
+    @Override
+    public void simpleRender(RenderManager rm) {
+        //TODO: add render code
+    }
+
+}