Scientists achieve optical control of phase and group velocities in everyday liquids
The phase and the group velocity of light propagating in conventional optical media cannot exceed the speed of light in ...
Pushing the frontiers of frozen water: Computer simulations examine effects of shear on medium-density amorphous ice
Water is ubiquitous and seemingly ordinary, possessing no distinct color or odor. Though we often take water for granted, it is by no means a simple substance. As a consequence of its chemical ...
Top 10 Latest Smartphones with Silicon-Carbon Batteries in 2025
Check out the top 10 smartphones of 2025 featuring silicon-carbon batteries, offering unmatched battery life, fast charging, ...
Ars Technica26d
Getting an all-optical AI to handle non-linear math
In photonic chips, information can be encoded in optical properties like polarization, phase, magnitude, frequency, and wavevector. While this would be extremely fast and energy-efficient ...
Wired28d
Global Warming Is Wreaking Havoc on the Planet’s Water Cycle
Record temperatures last year pushed the global water cycle to “new climatic extremes,” according to the Global Water Monitor 2024 report. The document, produced by an international consortium ...
C&EN29d
Nonpolar P-type Conjugated Small Molecules Enable High-Performance Organic Photodetectors for Potential Application in Optical Wireless Communication
School of Advanced Materials, Shenzhen Graduate School, Peking University, Shenzhen 518055, P. R. China ...
C&EN1mon
Unveiling with Density Functional Theory the Optical Property Variations of Three Kinds of Graphene for Acetaminophen Sensor Design
Through density functional theory (DFT) calculations, we explored the changes in some optical properties of pristine graphene (G), graphene oxide (GO), and reduced graphene oxide (rGO) interacting ...