Recent Articles
Gated Flows in Charged Channels
Electrically patterning the walls of a nanochannel could provide a route to creating “valves” that abruptly alter the speed at which a charged fluid flows through a nanofluidic device. Read More »
Quantifying the Knottiness of a Tangled Network
A new mathematical measure of knottiness could help improve the transport efficiencies of subway and road systems, as well as other physical networks. Read More »
How Migration May Stabilize the Diversity of Ecosystems
A model based on statistical physics suggests that the combination of species migration and interspecies interactions may allow a complex ecological system to maintain its diversity. Read More »
Entangled Photons Maintained under New York Streets
A new scheme sends large numbers of entangled photons reliably through commercial fiber-optic cables, demonstrating a capability required for secure quantum networks. Read More »
Emergent Chirality in Active Rotation
Self-organized spherical shells made up of a few hundred cells spontaneously rotate when embedded in a gel. New research explains why. Read More »
Superconducting Nanowires Enable Cooler Photon-Counting Electronics
High-resolution imaging arrays could be realized by using the same superconducting technology for both the signal-processing electronics and the single-photon detectors. Read More »
An Alternative Way to Make an Air Laser
A resonance between energy levels in argon atoms and nitrogen molecules could be used to remotely sense contaminants in air. Read More »
Electronic Bands Get a New Tuning Knob
Researchers have used a specially crafted electric potential to manipulate the electronic band structure of graphene, laying the groundwork for on-demand electronic band design. Read More »
Visualizing Atom Currents in Optical Lattices
A new manipulation technique could enable the realization of more versatile quantum simulators. Read More »