F4, the latest cesium fountain clock that now stands as one of the most accurate timekeepers in the entire world.

Clocks on Earth are ticking a bit more regularly thanks to NIST-F4, a new atomic clock at the National Institute of Standards ...

A CT scan of the abdomen can show the organs, blood vessels, and bones in your abdominal cavity. The multiple ... choose a CT scan over an MRI (magnetic resonance imaging) scan because a CT ...

The antenna consists of a stacked patch, a radiating patch, a resonance excitation patch (REP), a SIW cavity, and four shorting pins ... significantly suppressing unwanted radiation. Measured results ...

Explore how interferometry is revolutionizing space-based telescopes, enabling ultra-high resolution imaging for studying ...

Molecular rotational resonance (MRR) spectroscopy offers a breakthrough approach by leveraging the unique rotational energy transitions of molecules in the microwave region to achieve extraordinary ...