diff --git a/lib/assets/Lib/antigravity.py b/lib/assets/Lib/antigravity.py
new file mode 100644
--- /dev/null
+++ b/lib/assets/Lib/antigravity.py
@@ -0,0 +1,17 @@
+
+import webbrowser
+import hashlib
+
+webbrowser.open("http://xkcd.com/353/")
+
+def geohash(latitude, longitude, datedow):
+    '''Compute geohash() using the Munroe algorithm.
+
+    >>> geohash(37.421542, -122.085589, b'2005-05-26-10458.68')
+    37.857713 -122.544543
+
+    '''
+    # http://xkcd.com/426/
+    h = hashlib.md5(datedow).hexdigest()
+    p, q = [('%f' % float.fromhex('0.' + x)) for x in (h[:16], h[16:32])]
+    print('%d%s %d%s' % (latitude, p[1:], longitude, q[1:]))