A simple new method for estimating temporally stable power spectra is introduced to provide a unified basis for computing an interference-free spectrum, the fundamental frequency (F0), as well as ...

Mid-IR on-chip spectroscopy emerges as a promising solution to surpass the limitations of traditional bulky optical gas sensors. However, the inherent shortness of light paths poses a significant ...

See 80 more comics, print edition puzzles and games on The Free Press website Jul 7, 2025 ...