Ancient art of cheese tapping mimicked by digital signal processing
Non-destructive acoustic technique decides when cheese is ripe
Ultrasound device creates an audio, visual and tactile 3D display
Audio holograms could be used as attractions in theme parks
Ultrasound guides particle in a midair display
“Acoustophoretic” images could replace holograms
Vibrations guide tiny glass beads through an underwater maze
New spin on the Chladni plate could have medical and biological applications
Acoustic tracking shows thresher sharks are early birds
Data show preference for morning clean-up, as well as conservation challenges
Did the Romans build seismic invisibility cloaks?
“Archaeological metamaterials” may have acted as a shield against earthquakes
Calculations provide insight into why sound waves carry ‘negative mass’
Physicists still puzzled about how effect can occur in solids
Holographic acoustic tweezers could be used to create 3D displays
Algorithm controls the phase of 256 loudspeakers
Talking about talking
James Dacey reviews Now You’re Talking: the Story of Human Conversation from the Neanderthals to Artificial Intelligence by Trevor Cox
Moths use acoustic camouflaging fur to evade bats
Stealth coating can absorb as much as 85% of echolocation signals
