Разложение белого света в спектр“
2 months ago 00:40:18 1
2 months ago 00:00:59 1
2 months ago 00:03:09 1
2 months ago 01:39:35 1
2 months ago 00:36:20 1
3 months ago 01:31:18 1
3 months ago 00:20:54 1
3 months ago 00:06:58 7
3 months ago 00:08:07 1
3 months ago 00:40:21 1
3 months ago 00:31:42 1
3 months ago 01:38:28 19
3 months ago 00:39:04 3
3 months ago 00:00:00 10
3 months ago 00:19:43 1
3 months ago 00:29:23 1
4 months ago 00:27:52 1
4 months ago 00:03:17 1
5 months ago 00:16:15 1
5 months ago 00:50:51 3
5 months ago 00:52:50 1
5 months ago 00:02:38 1
5 months ago 00:26:29 1
5 months ago 00:13:44 1
