Abstract: The influence of smoke on electromagnetic waves in the W-Band range is investigated in this paper. To understand the interaction between smoke and radar signals, it is important to employ a ...

In the underwater world, sound is the primary means of communication, as light quickly fades. A Korean research team has developed an underwater acoustic lens capable of focusing sound precisely at a ...

When a bright fireball streaked across the Alaska sky last spring, the usual tools scientists rely on to track such ...