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Acoustics

Terahertz technology penetrates walls, wood, plastics, paper and other objects.

Inside Science Television

Bullfrogs' hair cells yield clues on how humans detect faint sounds.

Peter Gwynne, Contributor

In certain conditions, tree sap may reach extreme negative pressures and emit popping sounds.

Charles Q. Choi, Contributor

Acoustical analysis reveals the anatomy behind the fascinating array of sounds people can make.

Charles Q. Choi, Contributor

Engineers develop a new airplane design that is more energy efficient and quieter.

Inside Science Television

Innovative imaging technique reveals similarities between high and more common notes.

Peter Gwynne, Contributor

Molecule changes the mechanical energy of sound to the electric energy of the brain.

Joel Shurkin, Contributor

War, available resources, determined the invention of instruments.

Joel Shurkin, Contributor

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