Ky waited, the blue arc fading in her mental eye.

So there is a blue arc from (caa) to (a).

It lit the western sky in a bright blue arc.

A blue arc buzzed between the rods, suggesting lethal charge.

A deep crimson semi-circle sprang up behind him, its ends meeting those of the blue arc.

Even some in the blue arc of police officers around the scene allowed a few smiles.

His sword flashed through the air in a blazing blue arc just as the other struck.

A blue arc zapped between the battery's leads, painfully bright in the dark.

He fired his laser beam over his head, making a blue arc.

A blue arc of electricity played between two visible electrodes.