Recent Articles
Fluxonium Qubits Under Control
By coupling two fluxonium qubits through an inductive circuit rather than through a capacitor, researchers have realized a high-fidelity two-qubit gate. Read More »
A Photonic Emulator of Topological Matter
A method for freely adjusting the parameters of a loop of optical fiber enables the exploration of exotic topological phases of matter. Read More »
Quantum Gravity Gets a New Test
A proposed experiment could bring scientists closer to answering the long-standing question of whether gravity is a classical or a quantum phenomenon. Read More »
Shedding Light on the Thorium-229 Nuclear Clock Isomer
Researchers use a laser to excite and precisely measure a long-sought exotic nuclear state, paving the way for precise timekeeping and ultrasensitive quantum sensing. Read More »
The Universe’s Topology May Not Be Simple
Most models for the overall shape and geometry of the Universe—including some exotic ones—are compatible with the latest cosmic observations. Read More »
A New Cathode for Rechargeable Magnesium Batteries
The commercialization of magnesium-ion batteries could be closer thanks to the development of a cathode material inspired by multispecies metal alloys. Read More »
Sodium as a Green Substitute for Lithium in Batteries
Interest in developing batteries based on sodium has recently spiked because of concerns over the sustainability of lithium, which is found in most laptop and electric vehicle batteries. Read More »
The Path to Making Batteries Green
For Shirley Meng, the biggest barrier to achieving sustainable batteries is sociological not technological, requiring a change in mindset about how we consume and dispose of batteries. Read More »
Lithium-Ion “Traffic Jam” Behind Reduced Battery Performance
Real-time in situ x-ray observations of new nickel-rich lithium-ion batteries reveal that reduced performance comes from lithium ions getting trapped in the cathode. Read More »