sonar

  • Scientists Used Sonar To Find San Francisco’s Notorious Lost Shipwreck

    Scientists Used Sonar To Find San Francisco’s Notorious Lost Shipwreck

    In 1901, steamer ship City of Rio de Janeiro sank on its way into the San Francisco Bay, killing 128 passengers and disappearing into the ocean. The famous lost ship stayed disappeared for over 100 years, its location suspected but never confirmed. Now, thanks to a sonar technology called “Echoscope”, scientists have pinpointed the wreck’s…