detected

People with solar power or batteries are scared to turn lights on because they "could be detected by drones", explains Manahel.

A new strain of avian flu, more deadly to humans, was detected in a broiler flock in Mississippi.

If the virus is detected early and the infected person receives medical attention in an intensive care unit, the ALA said, there is a chance the person will improve.

But by looking closely at the waveform of the audio, the two sounds can be detected and the distance between them measured.

The document says the tests were successful, with a "powerful and effective" explosion from a device which could not be detected by an X-ray scanner.