diff --git a/EduNetworkBuilder/Network.cs b/EduNetworkBuilder/Network.cs
index 1c469c3..d58fdc3 100644
--- a/EduNetworkBuilder/Network.cs
+++ b/EduNetworkBuilder/Network.cs
@@ -983,6 +983,7 @@ namespace EduNetworkBuilder
             tList.Sort();
             return tList;
         }
+
         public List<string> GetBroadcasts()
         {
             List<string> tList = new List<string>();
@@ -1065,6 +1066,44 @@ namespace EduNetworkBuilder
             return null;
         }
 
+        public bool DeviceIsOverDamaging(LinkType myLink, Point location)
+        {
+            NetworkDevice ND;
+            int countDistance = 25;
+            double HowFar;
+            foreach(NetworkComponent NC in NetComponents)
+            {
+                if (NB.GetComponentType(NC) == GeneralComponentType.device)
+                {
+                    ND = (NetworkDevice)NC;
+                    if(myLink == LinkType.wireless && ND.GetNetType() == NetworkComponentType.microwave)
+                    {
+                        HowFar = distance(location, ND.myLocation());
+                        //Console.WriteLine("position=" + HowFar.ToString());
+                        if (HowFar < countDistance)
+                            if (HowFar < countDistance)
+                            {
+                                return true;
+                            }
+                    }
+                    if (myLink != LinkType.wireless && ND.GetNetType() == NetworkComponentType.fluorescent)
+                    {
+                        HowFar = distance(location, ND.myLocation());
+                        //Console.WriteLine("position=" + HowFar.ToString());
+                        if (HowFar < countDistance)
+                        {
+                            return true;
+                        }
+                    }
+                }
+            }
+            return false;
+        }
+
+        public double distance(Point start, Point dest)
+        {
+            return Math.Sqrt(Math.Pow((start.X - dest.X),2) + Math.Pow((start.Y - dest.Y),2)) / 5;  //use grid size...
+        }
 
 
         /****************************************
diff --git a/EduNetworkBuilder/NetworkDevice.cs b/EduNetworkBuilder/NetworkDevice.cs
index b9f7477..eb67b37 100644
--- a/EduNetworkBuilder/NetworkDevice.cs
+++ b/EduNetworkBuilder/NetworkDevice.cs
@@ -563,7 +563,10 @@ namespace EduNetworkBuilder
                 return true;
             return false;
         }
-
+        public Point myLocation()
+        {
+            return MyLocation;
+        }
         /// <summary>
         /// returns the centerpoint of the device
         /// </summary>
@@ -1382,16 +1385,26 @@ namespace EduNetworkBuilder
                 ResponseToPacket response = HowToRespondToPacket(tPacket);
                 if (response == ResponseToPacket.accept || HasIPAddress(tPacket.destIP))
                 {
-                    tPacket.AddMessage(DebugLevel.info, "Success!  The ping returned from its destination.");
-                    tPacket.Tracking.Status = hostname + ":\tPing success: The ping returned from its destination" + tPacket.sourceIP.GetIP.ToIpString() + " -> " + tPacket.destIP.GetIP.ToIpString();
-                    tPacket.MyStatus = PacketStatus.finished_ok;
-                    if (tPacket.sourceIP.GetIP != 0)
+                    if (tPacket.health < 100)
                     {
-                        myNet.NotePacketArrived(tPacket.MyType, this, tPacket.destIP, tPacket.OriginalDestIP);
+                        tPacket.AddMessage(DebugLevel.info, "Success!  The ping returned from its destination." + " But some was lost: health=" + tPacket.health.ToString() );
+                        int left = 100 - tPacket.health;
+                        tPacket.Tracking.Status = hostname + string.Format(":\tPing partial success: {0}% packet loss. {1} -> {2}", left , tPacket.sourceIP.GetIP.ToIpString(),tPacket.destIP.GetIP.ToIpString());
+                        tPacket.MyStatus = PacketStatus.finished_ok;
                     }
                     else
                     {
-                        myNet.NotePacketArrived(tPacket.MyType, this, tPacket.destIP, tPacket.sourceIP);
+                        tPacket.AddMessage(DebugLevel.info, "Success!  The ping returned from its destination.");
+                        tPacket.Tracking.Status = hostname + ":\tPing success: The ping returned from its destination" + tPacket.sourceIP.GetIP.ToIpString() + " -> " + tPacket.destIP.GetIP.ToIpString();
+                        tPacket.MyStatus = PacketStatus.finished_ok;
+                        if (tPacket.sourceIP.GetIP != 0)
+                        {
+                            myNet.NotePacketArrived(tPacket.MyType, this, tPacket.destIP, tPacket.OriginalDestIP);
+                        }
+                        else
+                        {
+                            myNet.NotePacketArrived(tPacket.MyType, this, tPacket.destIP, tPacket.sourceIP);
+                        }
                     }
                 }
                 else
diff --git a/EduNetworkBuilder/NetworkLink.cs b/EduNetworkBuilder/NetworkLink.cs
index a1791ca..a52a0e1 100644
--- a/EduNetworkBuilder/NetworkLink.cs
+++ b/EduNetworkBuilder/NetworkLink.cs
@@ -193,6 +193,19 @@ namespace EduNetworkBuilder
             Network myNet = NB.GetNetwork();
             HostNicID target;
             tPacket.IncrementDistance();
+            Point newLocation = PositionOnLine(tPacket.myDirection, tPacket.myLinkPercent);
+            if (myNet.DeviceIsOverDamaging(theLinkType, newLocation))
+            {
+                tPacket.health -= 10;
+                //Console.WriteLine("  health=" + tPacket.health.ToString());
+            }
+            if(tPacket.health <= 0)
+            {
+                //The link is broken.  Drop the packet
+                tPacket.Tracking.AddMessage(DebugLevel.info, this, "The packet was corrupted.  The network wire may run too close to electricity or fluorescent lighting, or the wireless path is being interfered by a microwave, wireless phone, or other radio device.");
+                tPacket.Tracking.Status = "The packet got corrupted and was dropped.";
+                tPacket.MyStatus = PacketStatus.finished_failed;
+            }
             if(theLinkType == LinkType.broken && tPacket.myLinkPercent > 50)
             {
                 //The link is broken.  Drop the packet
diff --git a/EduNetworkBuilder/Packet.cs b/EduNetworkBuilder/Packet.cs
index b30f70d..6d3ba8a 100644
--- a/EduNetworkBuilder/Packet.cs
+++ b/EduNetworkBuilder/Packet.cs
@@ -33,6 +33,7 @@ namespace EduNetworkBuilder
         }
         public int TTL = 20;
         public int TickTTL = 50;
+        public int health = 100;
         public IPAddress sourceIP;
         public IPAddress OriginalDestIP;
         public IPAddress TsourceIP;
@@ -96,6 +97,7 @@ namespace EduNetworkBuilder
             payloadIP = copyfrom.payloadIP;
             Tracking = copyfrom.Tracking;
             WhereAmI = copyfrom.WhereAmI;
+            health = copyfrom.health;
             StartTime = copyfrom.StartTime;
             OriginalDestIP = copyfrom.OriginalDestIP;
             Tracking.AddMessage(DebugLevel.debug, WhereAmI, "Packet duplicated");