Свойства электромагнитных волн. Опыты с генератором сантиметровых волн.
12 years ago 00:04:02 29
1 year ago 00:04:44 3
4 years ago 00:37:26 26
12 months ago 00:12:46 7
5 years ago 00:00:46 74
2 years ago 00:19:00 1
8 years ago 00:44:20 4
5 years ago 00:02:27 6
5 years ago 00:04:42 2
6 years ago 00:04:16 9
9 years ago 00:09:44 633
10 years ago 00:03:41 4
12 months ago 00:02:08 1
7 years ago 00:02:14 91
5 years ago 00:03:21 2
9 years ago 00:17:19 984
2 years ago 00:48:45 1
1 year ago 00:15:06 1
2 years ago 00:10:47 1
3 years ago 00:09:39 1
2 years ago 00:14:00 1
2 years ago 00:18:51 1
12 months ago 01:02:55 7
1 year ago 00:01:24 1
