Recent Articles
A Time Standard for the Moon—Thanks to General Relativity
As part of an effort to establish a lunar time standard, researchers have used relativity to calculate time differences between Earth and the Moon. Read More »
Water Waves Break Up Floating Film
A lab-scale model provides a testing ground for studying the breakup of ice sheets or of other thin solids floating on the surface of a fluid. Read More »
Gases Team Up for Enhanced Coherence
Magnetic feedback causes two atomic gases to guide each other’s spins into long-lasting collective alignment. Read More »
Golden Ratio in Quasicrystal Vibrations
Experiments show that a property of the vibrations in a quasicrystal is linked to the number known as the golden ratio. Read More »
Positron Emission Tomography Could Be Aided by Entanglement
The quantum entanglement of photons used in positron emission tomography (PET) scans has been shown to be surprisingly robust, opening prospects for developing quantum-enhanced PET schemes. Read More »
Atomic Friction Defies Expectations
An experiment reveals that frictional forces can have a surprisingly complex velocity dependence at the nanoscale. Read More »
Clocking Electrons During Photoionization
The time an inner electron takes to exit an atom after photoionization has been determined using attosecond pulses from an x-ray laser. Read More »
Deciphering the Blueprint of the Fruit Fly’s Brain
Researchers leverage synapse-level maps of the fruit fly brain to examine how neuronal connection probabilities vary with distance, offering insights into how these neuronal networks may optimize function within spatial constraints. Read More »
Analyzing Friction in Layered Materials
Experiments reveal the factors that determine the friction between the single-atom-thick layers in van der Waals materials, which may have uses in lubrication technology. Read More »
