diff --git a/goroutine/pipeline.go b/goroutine/pipeline.go
new file mode 100644
index 0000000..8c7924b
--- /dev/null
+++ b/goroutine/pipeline.go
@@ -0,0 +1,26 @@
+package main
+
+import (
+	"fmt"
+)
+
+func main() {
+	done := make(chan int)
+	p := make(chan int)
+	go func() {
+		for i := 0; i < 5; i++ {
+			p <- i
+		}
+	}()
+	go func() {
+		for {
+			x := <- p
+			done <- x * x
+		}
+
+	}()
+	for i := 0; i < 5; i++ {
+		fmt.Println(<-done)
+		// 0, 1, 4, 9, 16
+	}
+}