The hydrodynamic torque dipole from rotary bacterial flagella powers symmetric discs
Bacteria are torque dipoles and swim in circles As our observations were performed near the bottom of a…
On-chip phased interdigital metamaterials enable versatile manipulation of surface acoustic waves, microfluids, and micro/nano-objects
On-chip phased interdigital metamaterials (PIMs) for manipulating surface acoustic waves (SAWs), fluids, and micro/nano-objects The PIM is inspired…
Scientists Reveal the Fluid Physics Behind Why Sighs Feel So Damn Good
The human body works in complex ways—sometimes, certain motions are so small that it’s easy to miss how…
An enhanced instantaneous detonation model for underwater explosions involving condensed explosives
Underwater explosion (UNDEX) has found applications in diverse research fields, including underwater mineral mining, waterway and port excavation,…
Kirigami-inspired parachutes with programmable reconfiguration
Zhai, Z., Wu, L. & Jiang, H. Mechanical metamaterials based on origami and kirigami. Appl. Phys. Rev. 8,…
It’s Snowing Salt. The Strange Phenomenon Happening Deep in the Dead Sea
The Dead Sea, Earth’s lowest surface point and deepest hypersaline lake, is revealing remarkable salt structures known as…
Experimental confirmation of secondary flows within granular media
Experimental setup The experimental flume is divided into three sections: a reservoir to supply incoming grains, the flow…
Scientists Crack the Code of China’s Mysterious “Matrix Tide”
On China’s Qiantang River, witnesses recently observed an extraordinary “matrix tide,” where colliding tidal bores formed a grid…
Century-old turbulence theory confirmed in bubble swarm experiments
An international team of scientists has successfully shown that swarms of rising bubbles create turbulence that behaves exactly…
Stable singular fractional skyrmion spin texture from the quantum Kelvin–Helmholtz instability
Stegeman, G. & Segev, M. Optical spatial solitons and their interactions: universality and diversity. Science 286, 1518–1523 (1999).…
Kinetic turbulence drives MHD equilibrium change via 3D reconnection
The 3D helical flux ropes in VEST Two essential magnetic field components, the poloidal and toroidal fields, are…