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Mathematics and statistics

Uncertainty quantification

News and Updates

Events

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2026 NIST Photometry Short Course

Tue, Nov 3 - Fri, Nov 6 2026
The NIST Photometry Short Course is a 4-day course held at NIST Gaithersburg, Maryland. The course consists of lectures

Projects and Programs

The word "TIME" appears and grows larger among line drawings of various types of clocks.

Advancing Statistical Methods for Next-Generation Clock Networks

Ongoing
Atomic clocks are key to a wide array of technologies and scientific experiments, including tests of fundamental physics. Clocks operating at optical frequencies have now demonstrated fractional stability and reproducibility at 10 -18, two orders of magnitude beyond their microwave predecessors...
schematic of the scanning droplet cell apparatus

Autonomous Scanning Droplet Cell

Ongoing
Corrosion impacts a broad spectrum of application areas including infrastructure, transportation, and the military. The annual price tag for corrosion mitigation and remediation is 3.4 % of the US GDP. The team is particularly interested in discovering new metallic glasses (metals without long range...
footwear imprint image

Building Trust in Forensic Science: Footwear Analysis

Ongoing
Starting in 2015, SED staff members began reviewing published literature on the recommended practice for forensic examiners to provide likelihood ratios (LRs) as a weight of evidence to summarize their findings in reports or testimony. While several stated motivations for providing likelihood ratios...

Publications

Software

Tools and Instruments

Reference Ballistic Chronograph Figure 1

Reference Ballistic Chronograph

The NIST-developed reference ballistic chronograph (RBC) provides repeatable measurements of the speed of a bullet that will impact a test article, such as
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