But just as often, maybe, the sky doesn't fall because alarms work as the alarmists intended.

And he was back in his room next morning, and the alarm was still working.

He says the batteries may be taken out and then the alarm wouldn't work.

Nokia used to have a feature back in the days that the alarm worked even though the phones battery died during the night.

"If an alarm is not working properly it can cause a lot of trouble."

If the alarms in the building were still working, they would no doubt go off soon.

They then complain that the alarm does not work.

The alarms work over telephone lines in the marina and use cellular networks when the boat is out cruising.

Therefore, either the infrared observations caused the alarm or the algorithm did not work properly.

This is a little bit on the order of: the house may have burned down, but at least the alarm worked.