"He said that his machine will detect and eradicate any form of gas, so we are putting it to that test."

Some research suggests that the machines might not detect explosives or even guns taped to a person's body.

But those machines cannot detect the presence of explosives, and no further check was made on those shoes.

The machine detects these small changes in frequency to reproduce the sound.

The current quickly changed into something less painful, almost as if the machine had detected his discomfort and then ameliorated it.

Learn how a machine can detect liquid explosives in sealed containers.

She didn't doubt the professor's machine could really detect spectral phenomena.

The brain waves are there whether your machine detects them or not.

It was like my bones were picking up something that no machine could detect.

But the machine detected the condition that the shock corrects in only 14 of the patients.