The Evolution of Ultrasound: From Ancient Acoustics to a $50B Global Market

Ultrasound's evolution spans from ancient Greek acoustics to today's >$50B market, with key milestones like the 1880 piezoelectric effect and the 1940s birth of medical imaging.

• The piezoelectric effect, discovered in 1880, remains the foundational mechanism for ultrasound transducers.
• Medical ultrasound imaging began in the 1940s–1950s with pioneers adapting sonar technology to visualize human anatomy, eventually transitioning from bulky water-bath systems to portable devices.
• Today, the global ultrasound market is reported to exceed $50 billion, encompassing medical diagnostics, industrial inspection, and underwater sensing.

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