diff --git a/src/agent.py b/src/agent.py
index a63f7d0..60f0fa8 100644
--- a/src/agent.py
+++ b/src/agent.py
@@ -69,3 +69,13 @@ class Agent:
 
         move = possible_moves[randint(0, len(possible_moves)-1)]
         return move
+
+    def discover(self):
+        if self.current_pos in self.houses.keys():
+            current_house = None
+            for entity in self.simulation.state.entities:
+                if entity.entity_type == 'house' and vector_to_tuple(entity.position) == self.current_pos:
+                    current_house = entity
+                    break
+            if current_house is not None:
+                self.houses[self.current_pos].discover_bins(current_house.bins)
diff --git a/src/simulation.py b/src/simulation.py
index b6494f7..8f2375d 100644
--- a/src/simulation.py
+++ b/src/simulation.py
@@ -64,6 +64,9 @@ class Bin:
         self.trash_type = trash_type
         self.fullness = randint(0, 100)
 
+    def __str__(self):
+        return self.trash_type + " bin"
+
 
 class HouseEntity(Entity):
     def __init__(self, state, position):
@@ -128,7 +131,7 @@ class SimulationState:
 
     def update(self, move_agent):
         for entity in self.entities:
-            if entity.entity_type is 'truck':
+            if entity.entity_type == 'truck':
                 entity.move(move_agent)
 
 
@@ -230,6 +233,8 @@ class Interface:
                         self.move_truck.y = 1
                     if event.key == pg.K_UP:
                         self.move_truck.y = -1
+                    if event.key == pg.K_d:
+                        self.agent.discover()
 
     def processAgentInput(self):
         self.move_truck = self.agent.decide_move()