Some hacked every tornado siren in Dallas (156 in total) (washingtonpost.com)

Discussion:

https://news.ycombinator.com/item?id=14075337 (40 comments)

https://news.ycombinator.com/item?id=14068672 (11 comments)

https://news.ycombinator.com/item?id=14074937 (1 comment)

https://news.ycombinator.com/item?id=14065522 (1 comment)

Other submissions:

https://news.ycombinator.com/item?id=14070177

https://news.ycombinator.com/item?id=14069969