Scientists have clocked the speed of Cepheid stars -- 'standard candles' that help us measure the size of the universe -- with unprecedented precision, offering exciting new insights about them.

Precision measurements in atomic and ion physics have become a cornerstone for testing the limits of our understanding of quantum electrodynamics (QED) and the Standard Model. By harnessing ...

January 22, 2014. Texas Instruments today introduced what the company calls the industry’s first 36-V rail-to-rail input and output (RRIO) operational amplifier (op amp) to achieve precision offset ...

Physicists in Australia have demonstrated the first “pumped” atom laser. Their achievement marks another step on the road to a continuously operating atom laser, which should enable high-precision ...

Input bias current is a usually overlooked amplifier parameter that can have a significant effect on an amplifier circuit’s output accuracy. Sometimes the effect is small enough to be ignored, but ...

A schematic of a laser going through an AOM, which sends sound waves into a silicon cavity. Credit: Kenna Hughes-Castleberry/JILA/Ye and Hall Groups Within atomic and laser physics communities, ...

A new result from the Q-weak experiment provides a precision test of the weak force, one of four fundamental forces in nature. The proton's weak charge was found to be QWp=0.0719±0.0045, in excellent ...

“Classical Cepheids” are a type of pulsating star that rhythmically brightens and dims over time. These pulsations help astronomers measure vast distances across space, which makes Cepheids crucial ...