Can superman hear every sound?
Our sensory organ receive more and we,our counscionsness, perceive less. Because most of the numerous sensory inputs are filtered out. Sharks can smell a few kilometers and eagles can find mice a few kilometers away, but humans don't. But they all have structurally similar sensory systems. Is it possible to hear and discern all the sounds from everywhere like Superman? In conclusion, it's not impossible. Though sound is a wave transmitted through the vibration of a medium (particle) and it can be distracted by other forces, it seems our state-of-the-art technology makes the impossible possible. The performance of a wiretap depends on how fine the sound can be tapped and how far the player can be. But security experts say, "Now, performance is rarely a problem for eavesdroppers," as recent ultra-high-performance eavesdroppers get on and off the media. Eavesdroppers hidden in fountain pen lids and rings, built-in taps built into power outlet...