Read article: Inverted buoyancy makes tiny boat appear to defy gravity
Inverted buoyancy makes tiny boat appear to defy gravity
Counter-intuitive effect created in a vibrating liquid
Read article: Inverted buoyancy makes tiny boat appear to defy gravity
Read article: Good vibrations: acoustic technologies in cars
Good vibrations: acoustic technologies in cars
Without mechanical vibrations, a modern car wouldn’t get far. David R Andrews examines the role of sound and ultrasound in fuel injection and parking sensors
Read article: Time-varying signals control sound waves in topological metamaterials
Time-varying signals control sound waves in topological metamaterials
New work could have applications in ultrasound imaging, sonar and low-power electronic devices that can operate in harsh or hazardous environments
Read article: Acoustical tweezers trap microbubbles
Acoustical tweezers trap microbubbles
Contactless manipulation technique holds promise for biomedical applications
Read article: Making images with sound
Making images with sound
Floating visual displays created using acoustically levitated particles could lead to galleries of singing heads. Michael Allen investigates
Read article: Floating visual displays, ultrafast imaging and far-UVC light: the June 2020 edition of Physics World is now out
Floating visual displays, ultrafast imaging and far-UVC light: the June 2020 edition of Physics World is now out
Explore the latest issue of your favourite physics magazine
Read article: Tracking elephant rumbles without breaking the bank
Tracking elephant rumbles without breaking the bank
Low-cost seismo-acoustic device could enable elephant monitoring for ecology and conservation
Read article: Pitch of birdsong is determined by body size
Pitch of birdsong is determined by body size
Larger white-tipped plantcutters have deeper voices
Read article: Ancient art of cheese tapping mimicked by digital signal processing
Ancient art of cheese tapping mimicked by digital signal processing
Non-destructive acoustic technique decides when cheese is ripe
Read article: Ultrasound device creates an audio, visual and tactile 3D display
Ultrasound device creates an audio, visual and tactile 3D display
Audio holograms could be used as attractions in theme parks
