diff --git a/rutherford.py b/rutherford.py
index 8adbe1b..f36b37d 100644
--- a/rutherford.py
+++ b/rutherford.py
@@ -13,7 +13,7 @@ RED = (255,  0,  0)
 GREEN = (0, 150, 0)
 BLUE = (30, 30, 180)
 VERYLIGHT = (210, 210, 210)
-BLACK = (0,0,0)
+BLACK = (5,5,5)
 WHITE = (255, 255, 255)
 
 PINK = (255, 62, 150)
@@ -26,12 +26,12 @@ ROYALBLUE = (65, 105, 225)
 
 TIME_STEP = 0.01
 
-K = 50000
+K = 120000
 
-X_SCREEN_BORDER = 1200
-Y_SCREEN_BORDER = 800
+X_SCREEN_BORDER = 1366
+Y_SCREEN_BORDER = 768
 
-INITIAL_SPEED_X = 200
+INITIAL_SPEED_X = 300
 INITIAL_SPEED_Y = 0
 INITIAL_Y = 400
 DEFAULT_OLD_X = 2 - INITIAL_SPEED_X*TIME_STEP
@@ -40,7 +40,7 @@ BEAM_WIDHT = 40
 
 def main():
     #create the screen
-    window = pygame.display.set_mode((1200, 800))
+    window = pygame.display.set_mode((1366, 768), FULLSCREEN)
     colors = [GRAY, VIOLET, RED, GREEN, BLUE, ROYALBLUE, BLACK, PINK, ORANGE, GREENYYELLOW, CRIMSON]
     
     settings = SimulationSettings(K, TIME_STEP, INITIAL_Y, INITIAL_SPEED_X, BEAM_WIDHT, colors)
@@ -57,12 +57,13 @@ def main():
             universe.update_positions()
         else:
             screen.draw_static_surface()
-
         for event in pygame.event.get():
             if event.type == pygame.QUIT:
                 keep_running = False
             elif event.type == pygame.KEYUP:
-                if event.key == K_UP :
+                if event.key == K_ESCAPE:
+                    keep_running = False
+                elif event.key == K_UP :
                     universe.settings.initial_y -= 10
                 elif event.key == K_DOWN:
                     universe.settings.initial_y += 10
@@ -91,12 +92,7 @@ def main():
                 elif event.key == K_PERIOD:
                     universe.settings.beam_width += 5
 
-
-
-    print "Pygame thread exited."
-
-
-
+    print "Symulation is over."
 
 class Screen:
     def __init__(self, window, colors, universe):
@@ -147,8 +143,6 @@ class Screen:
         for x in range(0, 79, 2):
             pygame.draw.aaline(self.window, RED, (X_SCREEN_BORDER*x/80, y - offset), (X_SCREEN_BORDER*(x+1)/80, y - offset), 2)
 
-    
-
     def draw_static_surface(self):
         self.window.fill(GRAYISH)
         self.draw_static_universe()
@@ -182,7 +176,6 @@ class Screen:
         description.append(line)
         return description
 
-
     def draw_surface(self):
         self.window.fill(self.color)
         self.draw_universe()
@@ -205,14 +198,12 @@ class Screen:
         ren = font.render(text,1,color)
         screen.blit(ren, (xx,yy))
 
-
 class Vector2:
     def __init__(self, x, y):
         self.x = x
         self.y = y
 
 
-
 class Particle:
     def __init__(self, mass, position, old_position, charge, color):
         self.mass = mass
@@ -242,7 +233,7 @@ class SimulationSettings:
 class Universe:
     def __init__(self, settings):
         self.settings = settings
-        atom1 = Particle(1000, Vector2(600,400), Vector2(600,400), 20, BLUE)
+        atom1 = Particle(1000, Vector2(700,400), Vector2(700,400), 20, ORANGE)
         atom2 = Particle(1, Vector2(2,400), Vector2(2-TIME_STEP*INITIAL_SPEED_X,
             INITIAL_Y- TIME_STEP*INITIAL_SPEED_Y), 1, RED)
 
@@ -301,8 +292,5 @@ class Universe:
                         Vector2(2-self.settings.time_step*speed, y + random_offset), 1, random.choice(colors))
         self.particles.append(particle)
 
-    
-
-
 if __name__ == '__main__':
-    main()
\ No newline at end of file
+    main()