Казаки и Казачки Иппосфера 2016
2 months ago 01:38:27 1
2 months ago 00:05:54 12
2 months ago 00:15:08 1
![Как изобретают/открывают математику? [3Blue1Brown]](https://sun9-57.userapi.com/e9v-yGBHJvzTLKjDdf2aoV6rf8pFCM7iTX465g/yMSheaNfXdc.jpg)
2 months ago 00:05:00 3
2 months ago 00:03:04 1
2 months ago 00:05:24 2
2 months ago 00:05:41 1
2 months ago 00:02:34 2
2 months ago 00:23:25 1
![Звуковые иллюзии, которые работают на всех (почти) [Veritasium]](https://sun9-60.userapi.com/RGGNPK23K9Pvqq9-nQls9MesyASsk2EN0K1BYQ/EMHwhDW529k.jpg)
2 months ago 00:02:56 1
2 months ago 00:08:35 1
2 months ago 00:02:31 1
2 months ago 02:05:32 1
2 months ago 01:32:52 1
2 months ago 01:31:26 1
2 months ago 00:05:13 1
2 months ago 00:40:46 1
2 months ago 00:03:50 1
2 months ago 00:15:56 1
2 months ago 00:04:41 1
2 months ago 00:04:10 1
2 months ago 00:00:17 1
2 months ago 00:02:23 2
2 months ago 02:03:36 1
