"None of the energy signatures we gathered from under water were moving either."

The ring can also be used to search for energy signatures or particular objects.

See what else you can find out about those energy signatures.

But they would be able to read our energy signature.

It's been fired recently and its energy signature's the same as the one on Daniel.

However, the devices do give off a distinctive energy signature when they're active.

"They would have left an energy signature that we couldn't miss."

I could sense her energy signature rising up into our midst.

In fact, all recently arrived craft have no proper energy signature.

Trip, you go north to see what's giving off those strange energy signatures.