Recent Articles
Record Precision for Hydrogen Spectroscopy Measurements
Measurements of the hyperfine splitting of certain electronic levels of hydrogen have broken precision records, potentially enabling precise tests of quantum electrodynamics. Read More »
Measuring Cosmic Expansion with a Lensed Supernova
Astronomers have demonstrated a new method for determining the Hubble constant that involves measuring the time delay between multiple images of a lensed supernova. Read More »
Electron Bunches Break the Picosecond Barrier
A method for producing ultrashort, ultracold electron bunches could improve the resolution of electron-based imaging methods. Read More »
Quantum Boost for Magnetic Induction Tomography
Quantum effects improve the performance of magnetic induction tomography—an imaging technique that has promising medical applications. Read More »
Body Heat Limits Animals’ Roaming Range
Large animals can move quickly thanks to their long appendages, but their ability to roam in response to climate change is also affected by their need to dissipate heat produced by their bulky bodies. Read More »
Testing Gravity’s Effect on Quantum Spins
A new search for an interaction between a particle’s intrinsic spin and Earth’s gravitational field probes physics in the regime where quantum theory meets gravity. Read More »
Space Dirt Reveals Age of Saturn’s Rings
Micrometeoroids in Saturn’s rings reveal that these dusty bands are no more than 400 million years old, making them significantly younger than the 4.5-billion-year-old gas giant. Read More »
A Lab Plasma Rotates and Produces Jets
A spinning plasma ring mimics the rotating structure surrounding a black hole. Read More »
Quantum Spin Hall Effect Seen in Graphene Analog
Germanene undergoes a topological phase transition and then becomes a normal insulator when the strength of an applied electric field is dialed up. Read More »
