#spectroscopy

All articles tagged with "spectroscopy"

two iron surgical tools (scissors and tweezers) from 600 years ago

Residue on Ming-Era Surgical Tools May Be the Oldest Chemical Evidence of a Topical Anesthetic

Researchers analyzing residue from 600-year-old Chinese surgical instruments identified chemical traces consistent with a toxic plant anesthetic, potentially the earliest direct chemical evidence of topical numbing in a医

Key Takeaways

Residue analysis on Ming-era tools suggests use of a topical anesthetic.
Researchers identified chemical traces consistent with processed Chinese wolfsbane.

DT Editorial Team·May 26, 2026·via livescience.com

Researchers Build Henrietta Spectrograph to Sharpen the Search for Exoplanet Atmospheres

Carnegie scientists are developing the Henrietta Infrared Spectrograph, a dedicated near-infrared instrument designed specifically to study exoplanet atmospheres in greater detail than general-purpose observatories can.

Key Takeaways

Henrietta is being built as a dedicated near-infrared exoplanet atmosphere instrument.
The spectrograph will use transit spectroscopy to study atmospheric molecules.

DT Editorial Team·Mar 30, 2026·via universetoday.com