APS Articles

29 March 2021

This Week in Physics Magazine — March 29, 2021

Focus

Fission Chain Reaction May Trigger Supernovae

March 29, 2021

White dwarf explosions may be initiated by uranium in the stellar core detonating like a nuclear weapon.

Excitations in the Ultimate Quantum Fluid

Elizabeth Blackburn – March 29, 2021

Researchers have measured superfluid helium’s full dispersion spectrum, explaining discrepancies in previous studies and constraining theories of superfluidity.

Easing the Squeeze on Superconductors

March 25, 2021

Theorists propose new strategies for designing high-temperature superconductors that operate at vastly reduced pressures—a step toward ambient-condition superconductors.

Electron’s Orbital Motion Dominates a Spintronic Effect

March 24, 2021

In a two-dimensional material, the orbital motion of electrons, rather than their spin, is the dominant contribution to an effect harnessed by spintronic devices.

Shape-Shifting Proteins Follow Diffusion Rules

March 23, 2021

How quickly a protein diffuses in a liquid depends directly on its radius, which changes as the protein’s conformation fluctuates.

Microalgae: Coming to a Food Near You

March 25, 2021

Patricia Lopez-Sanchez studies the flow properties of microalgae, with the aim of incorporating this nutritional powerhouse into new food products.