diy cosmic ray detector

7:24

1:50

کوتاه

2:25

2:20

25:17

4:55

1:12:46

25:11

28:03

1:26

22:33

16:45

1:26:31

28:08

15:19

14:18

29:57

29:50

20:51

کوتاه

47:57

16:05

1:26:31

26:58

4:56

1:26:31

19:58

29:57

1:27:27

29:52

29:54

2:54

53:50

1:24:20

13:24

2:09:25

2:02

19:09

56:23