8:35
an obstacle vibrator experiment
8:35
12:12
6:33
8:08
10:49
6:10
10:08
22:43
11:29
10:36
8:00
1:45
6:44
2:23
6:11
7:16
7:14
8:00
6:09
6:09
13:39
12:00
7:35
15:24
7:13
10:10
11:11
6:39
9:45
5:12
26:08
15:10
9:51
6:42
12:07
5:47
13:43
17:16
10:00
9:47
5:57
30:40
25:59
7:03
6:15
14:00
4:11
2:31
5:46
6:52
8:00
9:30
7:03
4:56
12:14
11:49
9:09
10:21
5:11
5:02