August 2021 Issue of Physics Today Now Available
Hua Liu American Astronomical Society (AAS)
Physics Today, the flagship publication of the American Institute of Physics (AIP), is the most influential and closely followed physics magazine in the world. With authoritative features, full news coverage and analysis, and fresh perspectives on technological advances and groundbreaking research, Physics Today informs readers about science and its role in society. Members of the AAS, an AIP Member Society, automatically receive free print and online subscriptions to the magazine. Physics Today Online, the magazine’s internet home, presents an enhanced digital edition and provides a valuable online archive.
In the August 2021 Issue
The Structures of Protoplanetary Disks
Astronomical observations of gas, dust, and rocky material in the disks from which planets emerge help refine theoretical ideas about how they form. — Sean Andrews
Microchip Accelerators
An international collaboration aims to couple ultrafast lasers with integrated photonics to create chip-scale devices. — Joel England, Peter Hommelhoff, and Robert L. Byer
Europe’s Experiment in Funding Graphene Research Is Paying Off
The outputs of the European Union’s eight-year-old Graphene Flagship include products, spinoffs, and “Spearheads.” — David Kramer
Squeezed Hydrogen and Helium Don’t Mix
The results of a high-pressure experiment that re-creates the temperatures and pressures inside Jupiter and Saturn reconcile disparate space-based observations. — Alex Lopatka
Submarines Afford a View from below the Arctic
Civilian–military cooperation builds understanding of the ocean, Earth, and climate change and benefits national security. — Toni Feder
Viscoelastic Fluids with No Strings Attached
Dispensing a fluid is quick and clean when the nozzle is rotated. The fluid’s elastic properties are the reason why. — Heather M. Hill