diff --git a/src/worker.rs b/src/worker.rs
index 8dab534..a334681 100644
--- a/src/worker.rs
+++ b/src/worker.rs
@@ -104,17 +104,15 @@ QN = WorkerDescription{
 }
 */
 //None Output Worker does all its work internally from the perspective of the work submitter
-pub struct QNWorker<Task:Send> {
+pub struct QNWorker<'a,Task:Send>{
 	sender: mpsc::Sender<Task>,
+	handle:thread::ScopedJoinHandle<'a,()>,
 }
 
-impl<Task:Send+'static> QNWorker<Task>{
-	pub fn new<F:FnMut(Task)+Send+'static>(mut f:F)->Self{
+impl<'a,Task:Send+'a> QNWorker<'a,Task>{
+	pub fn new<F:FnMut(Task)+Send+'a>(scope:&'a thread::Scope<'a,'_>,mut f:F)->QNWorker<'a,Task>{
 		let (sender,receiver)=mpsc::channel::<Task>();
-		let ret=Self {
-			sender,
-		};
-		thread::spawn(move ||{
+		let handle=scope.spawn(move ||{
 			loop {
 				match receiver.recv() {
 					Ok(task)=>f(task),
@@ -125,7 +123,10 @@ impl<Task:Send+'static> QNWorker<Task>{
 				}
 			}
 		});
-		ret
+		Self{
+			sender,
+			handle,
+		}
 	}
 	pub fn send(&self,task:Task)->Result<(),mpsc::SendError<Task>>{
 		self.sender.send(task)
@@ -139,27 +140,36 @@ IN = WorkerDescription{
 }
 */
 //Inputs are dropped if the worker is busy
-pub struct INWorker<Task:Clone>{
-	input:Arc<(Mutex<Task>,Condvar)>,
+pub struct INWorker<'a,Task:Send>{
+	sender: mpsc::SyncSender<Task>,
+	handle:thread::ScopedJoinHandle<'a,()>,
 }
 
-impl<Task:Clone+Send+'static> INWorker<Task>{
-	pub fn new<F:FnMut(Task)+Send+'static>(task:Task,mut f:F)->Self{
-		let ret=Self {
-			input:Arc::new((Mutex::new(task),Condvar::new())),
-		};
-		let input=ret.input.clone();
-		thread::spawn(move ||{
+impl<'a,Task:Send+'a> INWorker<'a,Task>{
+	pub fn new<F:FnMut(Task)+Send+'a>(scope:&'a thread::Scope<'a,'_>,mut f:F)->INWorker<'a,Task>{
+		let (sender,receiver)=mpsc::sync_channel::<Task>(1);
+		let handle=scope.spawn(move ||{
 			loop {
-				input.1.wait(&mut input.0.lock());
-				f(input.0.lock().clone());
+				match receiver.recv() {
+					Ok(task)=>f(task),
+					Err(_)=>{
+						println!("Worker stopping.",);
+						break;
+					}
+				}
 			}
 		});
-		ret
+		Self{
+			sender,
+			handle,
+		}
 	}
-	pub fn send(&self,task:Task){
-		*self.input.0.lock()=task;
-        self.input.1.notify_one();
+	//blocking!
+	pub fn blocking_send(&self,task:Task)->Result<(), mpsc::SendError<Task>>{
+		self.sender.send(task)
+	}
+	pub fn send(&self,task:Task)->Result<(), mpsc::TrySendError<Task>>{
+		self.sender.try_send(task)
 	}
 }