5 ms·
maybe this picture will help: http://picbin.posterous.com/private/itGyiJrIJo http://picbin.posterous.com/private/itGyiJrIJo
by kaitnieks 15y ago
maybe this picture will help: http://picbin.posterous.com/private/itGyiJrIJo http://picbin.posterous.com/private/itGyiJrIJo