Трюки науки. Как надуть DVD диск.
Сегодня наши юные учёные проведут интересные эксперименты с полимерами.
4 months ago 00:25:26 1
4 months ago 00:02:10 1
4 months ago 00:39:02 1
4 months ago 00:07:49 1
4 months ago 00:03:17 1
4 months ago 00:49:32 5
4 months ago 00:25:15 1
4 months ago 00:10:43 1
4 months ago 00:08:16 1
4 months ago 01:12:46 1
4 months ago 00:19:16 1
4 months ago 00:03:59 1
5 months ago 00:49:25 1
5 months ago 00:12:51 1
5 months ago 00:02:20 1
5 months ago 00:09:32 1
5 months ago 00:03:16 1
5 months ago 00:25:01 1
5 months ago 00:39:07 1
5 months ago 00:39:55 1
5 months ago 00:06:17 1
5 months ago 00:49:12 1
5 months ago 00:39:06 1
5 months ago 00:14:19 1
