Author(s): Charles Day

Computer simulations show how a structure placed underneath a surface suppresses turbulence in a fluid flow across the surface at a wide range of frequencies.

[Physics 19, s65] Published Thu May 28, 2026

Author(s): Charles Day

A free-falling video camera enabled researchers to observe a falling cloud of particles and infer the particles’ charges.

[Physics 19, s47] Published Tue Apr 14, 2026

Author(s): Charles Day

Electrons in graphene follow various spiraling paths when they flow around a circular barrier under the influence of a magnetic field.

[Physics 19, s46] Published Thu Apr 02, 2026

Author(s): Charles Day

Weak tidal forces alter the gravitational-wave signal from merging neutron stars by just enough that the telltale signature could be detected in large sensitive surveys.

[Physics 19, s37] Published Tue Mar 31, 2026

Author(s): Charles Day

A new mathematical framework based on perturbation theory could yield new insights into cosmic structure and fundamental physics.

[Physics 19, s33] Published Tue Mar 10, 2026

Author(s): Charles Day

A simple model can reproduce the distribution of tour lengths harvested by a social media app used by thousands of visitors to Los Angeles and New York.

[Physics 19, s35] Published Fri Mar 06, 2026

Author(s): Charles Day

A coordinate transformation devised for an expanding universe leads to new insights into how a collapsing protogalaxy acquires a large magnetic field.

[Physics 19, s26] Published Thu Mar 05, 2026

Author(s): Charles Day

Two investigations underscore the role of orbital instabilities in accounting for the diversity of planetary systems.

[Physics 19, 27] Published Tue Feb 24, 2026