electric wave

The words were vibrant with a low-pitched hum, that smote and bored like the impact of an electric wave.

Her breath came suddenly; with the monosyllable an electric wave had set the pulses of both tingling.

It was our own Joseph Henry who, in 1842, discovered the electric wave—the "induction" upon which wireless telegraphy depends.

When Miss Hopkins came in to tea an electric wave of excitement surged round the room, then broke in disappointment.

To understand the nature of an electric wave we must consider, in the first place, some properties of the ether.