liquidware

DIY shark intrusion system works in aquariums

The New York Port Authority had egg on its face recently when a stranded jet skier managed to breach JFK International Airport's security perimeter and walk across several runways.

Raytheon, maker of the $100 million Perimeter Intrusion Detection System, has some explaining to do.

But it's not all bad. Inspired by the breach (and Shark Week), Justin Huynh and friends at engineering firm Liquidware have concocted their own intruder alert system for far fewer bucks.

Essentially, it's a simple laser tripwire that sends alerts to Twitter when activated. So far, it works with toy sharks and not hapless jet skiers. … Read more