filmov
tv
Sharks on Twitter? GPS tags send alerts to swimmers
Показать описание
There's a new tool to prevent shark attacks at beaches in western Australia. The sharks are on Twitter. Jonathan Samuels, of Sky News, shows how sharks are tweeting out warnings in real time.
0:00:38
0:00:51
0:00:35
0:01:38
0:01:26
0:00:31
0:04:44
0:01:36
0:01:03
0:00:11
0:00:40
0:00:31
0:00:28
0:01:13
0:00:44
0:02:00
0:10:15
0:00:09
0:00:23
0:05:16
0:00:37
0:00:18
0:11:22