Within an hour, Spock returned with what appeared to be a fully functional cloaking device.

"Maybe not in great detail, but for them it's still a functional device."

One important topic in materials science currently is the development of new nanoscale functional devices.

And this drive generator had been his true hope, he'd genuinely thought he would have a functional device by the end of the week.

My 3+ year old netbook is a perfectly functional device.

Mr. Grinberg has other whimsical yet functional devices in the works.

The blast door that had covered the entrance, although a functional device, was still made of an ornate, polished metal.

Taken to its extreme it attempts to force naturally occurring shapes onto functional devices, often with mixed results.

"We plan on displaying the screen in a fully functional working device in May," he said.

Two functional explosive devices were found in his sneakers, a fuse snaked out, and he tried to light it.