Above is my illustration featuring a paramedic fireman, wearing a X-ray see-through-walls visor, revealing a silhouette of a little girl trapped behind a wall. If you’ve ever watched a spy thriller, you’ve seen the trope: a handheld gadget paints a crisp silhouette of everyone on the other side of a wall. Real “see-through-walls” technology is … Continue reading See-Through-Walls Technology Could Save Lives — or Invade Privacy