Воздушный шарик и свеча - опыты с теплопроводностью
4 months ago 00:16:32 2
5 months ago 00:00:57 1
5 months ago 00:10:51 1
5 months ago 00:09:06 1
5 months ago 00:03:25 1
5 months ago 00:00:59 1
5 months ago 00:03:04 1
5 months ago 00:46:30 1
5 months ago 00:04:16 1
5 months ago 00:01:03 5
5 months ago 00:28:05 1
5 months ago 00:23:25 1
5 months ago 00:14:39 1
5 months ago 00:11:16 1
5 months ago 00:03:16 1
5 months ago 00:04:44 1
5 months ago 00:00:56 1
5 months ago 00:00:28 1
5 months ago 00:01:00 1
5 months ago 00:11:17 1
5 months ago 00:05:02 5
5 months ago 00:11:15 1
5 months ago 00:34:27 3
5 months ago 00:02:05 1
