New optical timekeeper is 10 times more reliable than caesium atomic clocks
Silicon cavity replaces hydrogen maser to boost performance
Read article: New optical timekeeper is 10 times more reliable than caesium atomic clocks
Read article: New optical timekeeper is 10 times more reliable than caesium atomic clocks
Entangled aluminium ion is world’s best timekeeper
Quantum-logic clock knocks lattice device off top spot
Read article: Entangled aluminium ion is world’s best timekeeper
Tiny optical clock is 100 times better than previous chip-based timekeepers
New device fits onto three computer chips
Read article: Tiny optical clock is 100 times better than previous chip-based timekeepers
Improving the world’s most accurate clocks and connecting to the Internet via lights
Physics World journalists discuss atomic clock research and the rise of LiFi
Read article: Improving the world’s most accurate clocks and connecting to the Internet via lights
Measurement standards on a chip, Roman invisibility cloaks, and a ‘brain decoder’
Researchers from NIST join journalists for the Physics World Weekly podcast
Read article: Measurement standards on a chip, Roman invisibility cloaks, and a ‘brain decoder’
Metrology marathon at NIST
Hamish Johnston visited the metrology lab to discover the latest innovations in quantum sensors, atomic clocks and much more
Read article: Metrology marathon at NIST
Across the snowfields to NIST
Snow cyclone strikes Colorado
Read article: Across the snowfields to NIST
Shedding light on XHV-capable materials
A collaboration between industry and the US national measurement laboratory is quantifying the comparative performance of extreme-high-vacuum technologies
Read article: Shedding light on XHV-capable materials
Redefining the kilogram
Why scientists have changed the way we define mass
Read article: Redefining the kilogram
It’s all smoots and garns
From a human ruler to a space-sickness scale, Stephen Ornes looks at how some of the oddest and most surreal units came to exist
Read article: It’s all smoots and garns
