Walls are not generally known for their conversational skills. The very phrase ‘talking to a wall’ means the person you are speaking to does not listen. Yet here we have GE trying to delight our inner nerd with videos that defy science myths. A man reads a storybook aloud while facing a section of the Berlin Wall. As he speaks, GE sensors detect minute sound-wave vibrations in the wall and transport his words to speakers on the other side, nearly 200 yards away, allowing a group of youngsters to hear the story. Here, GE leverages the wall's mystique to demonstrate the marvels human ingenuity make possible. Showing us that walls do actually listen. Take a look https://goo.gl/xqk4Iv
