diff --git a/fallingCand b/fallingCand
index 5db11e8..a89e0c5 100755
Binary files a/fallingCand and b/fallingCand differ
diff --git a/gl_utils.c b/gl_utils.c
index 9993480..24fd4d9 100644
--- a/gl_utils.c
+++ b/gl_utils.c
@@ -175,6 +175,6 @@ GLFWwindow* init_glfw_glad(const char* title, int width, int height) {
         glfwTerminate();
         return NULL;
     }
-
+    glfwSwapInterval(0);
     return window;
 }
diff --git a/main.c b/main.c
index 9e2f77f..445a967 100644
--- a/main.c
+++ b/main.c
@@ -4,8 +4,8 @@
 
 #include "gl_utils.h"
 #include "sand_sim.h"
-#define GRID_W 1024
-#define GRID_H 1024
+#define GRID_W 2048
+#define GRID_H 2048
 static int g_fbWidth = 800;
 static int g_fbHeight = 800;
 SandSim sim;
@@ -88,7 +88,7 @@ int main(void) {
     glUseProgram(program);
 
     glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
-    double sim_dt = 1.0 / 120.0;
+    double sim_dt = 1.0 / 360.0;
     double currentTime = glfwGetTime();
     double accumulator = 0.0;