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Uncertainty: Overview

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In analytical chemistry, we often perform repetitive measurements to detect and minimize inaccuracies caused by both determinate and indeterminate errors. Despite the cares we take, the presence of random errors means that repeated measurements almost never have exactly the same magnitude. The collective difference between these measurements - observed values - and the estimated or expected value is called uncertainty. Uncertainty is conventionally written after the estimated or expected value.

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Related Experiment Video

Updated: Jun 22, 2025

The Measurement of Unsteady Surface Pressure Using a Remote Microphone Probe

The Measurement of Unsteady Surface Pressure Using a Remote Microphone Probe

Published on: December 3, 2016

Harnessing (geoacoustic) uncertainty.

Julien Bonnel¹, Andone Lavery¹

¹Applied Ocean Physics & Engineering, Woods Hole Oceanographic Institution, Woods Hole, Massachusetts 02540, USA.

The Journal of the Acoustical Society of America

|July 1, 2024

Summary

This summary is machine-generated.

This series revisits impactful historical articles from The Journal of the Acoustical Society of America. It highlights key contributions to the science and practice of acoustics.

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Last Updated: Jun 22, 2025

The Measurement of Unsteady Surface Pressure Using a Remote Microphone Probe

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Published on: December 3, 2016

Tracking Infiltration Front Depth Using Time-lapse Multi-offset Gathers Collected with Array Antenna Ground Penetrating Radar

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Area of Science:

Acoustics
Sound Science
Acoustical Engineering

Background:

The Journal of the Acoustical Society of America (JASA) has a long history of publishing significant research.
Understanding the historical trajectory of acoustics research is crucial for current and future advancements.

Purpose of the Study:

To identify and review seminal articles within JASA.
To analyze the historical impact of these articles on the field of acoustics.

Main Methods:

Literature review of historical JASA publications.
Selection of articles based on citation impact and influence on acoustical science and practice.

Main Results:

Identification of key articles that have shaped the understanding and application of acoustics.
Analysis of the long-term influence of these foundational works.

Conclusions:

The Reflections series provides valuable historical context for the field of acoustics.
Recognizing past achievements aids in advancing acoustical science and engineering.