Recent Articles

Industrial Physics

Focus: X-Ray Movie Reveals Origin of Metal Splashing

X-ray imaging of a manufacturing technique has captured the formation of molten metal projectiles that produce imperfections. Read More »

Gravitation

Synopsis: Mirror, Mirror—Which Coating is the Quietest of Them All

Gravitational-wave detectors may benefit from an alternative coating material that is less noisy at low temperatures than currently used materials. Read More »

Magnetism

Synopsis: Optical Vortices Can Probe Magnetism

A light “corkscrew” is sensitive to the local magnetic field direction, so it can be used to probe magnetism in a material. Read More »

Fluid Dynamics

Synopsis: Making the Perfect Crêpe

Cooking a flat, hole-free crêpe—a thin pancake popular in France and other European countries—is all in how you roll your wrist, according to predictions from a new model. Read More »

Astrophysics

Viewpoint: Plot Thickens in Solar Opacity Debate

Experiments that replicate conditions in the Sun’s interior have found that the light absorption by certain elements doesn’t match expectations, raising questions about the accuracy of solar models. Read More »

Fluid Dynamics

Focus: Thickening Fluid Gets Even Thicker

Adding long polymers to a fluid that becomes more viscous as it’s stirred amplifies the effect, in contrast to results with short polymers. Read More »

FEATURE

Shorter Oars Make for Faster Boats

Adjusting the length of an oar by a few centimeters could enable elite rowers to gain an edge over their competitors—for amateur rowers, not so much. Read More »

Magnetism

Synopsis: Tuning an Atom’s Magnetic Field

Researchers modify the magnetic field of a single atom, demonstrating a potential way to store information in tiny devices of the future. Read More »

Particles and Fields

Synopsis: How a Pentaquark is Put Together

New Large Hadron Collider data reveal that exotic quark quintets, discovered in 2016, are composites of quark-antiquark mesons and three-quark baryons.   Read More »

More Articles