В Марокко ищут способы дешевой концентрациии солнечного света - futuris
Система зеркал фокусирует солнечный свет. Результат - сильный нагрев, настоящее ...
2 months ago 01:23:20 1
2 months ago 00:14:30 1
2 months ago 00:03:04 1
2 months ago 00:00:56 1
2 months ago 00:02:10 1
2 months ago 00:01:38 1
2 months ago 00:53:42 1
2 months ago 00:17:13 1
2 months ago 00:45:53 1
2 months ago 00:45:56 1
2 months ago 00:03:47 1
2 months ago 00:04:55 1
2 months ago 00:19:03 7
2 months ago 02:00:59 1
2 months ago 00:53:11 1
2 months ago 00:15:33 1
2 months ago 00:48:49 1
2 months ago 00:02:14 1
2 months ago 00:32:28 8
2 months ago 00:08:22 1
2 months ago 00:58:18 1
2 months ago 00:01:06 1
2 months ago 00:02:01 74
2 months ago 00:48:57 1
