“GRAFFITI painters may like leaving an elaborate signature on their creations, but now the chemical signature of the paint may prove their undoing.

A Sydney company has developed an electronic nose that can detect the vapour of spray paint and instantly alert security officers, potentially thwarting millions of dollars of vandalism…

The device also captures information that can establish the brand and age of the paint, helping to secure a conviction.”

More about this bullshit invention from Australia here

This device will be very easy to sabotage. Simply spray into the air and create false alarms untill nobody cares anymore…