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TDS Archive

An archive of data science, data analytics, data engineering, machine learning, and artificial intelligence writing from the former Towards Data Science Medium publication.

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The Physics Behind Data

7 min readMay 18, 2024

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Behind every data is a physical event in space and time (Photo by Alina Grubnyak on Unsplash)

As a physicist turned data scientist, my colleagues and coworkers often ask me how my physics background is relevant.

Sure, from the mundane work, there isn’t much in common beyond some overlap with mathematics and statistical techniques. However, philosophically, there is a profound connection:

Every data point corresponds to a real physical event that happened in the real world.

So in a sense, data can always be traced to physical phenomena.

This perspective, unfortunately, is rarely discussed in standard statistics or machine learning discourse. As a result, I believe a foundational understanding is lost in many of my fellow data practitioners. In this article, I’ll describe in more detail how this physics-centric understanding can help us gain more insight into our data.

Everything is Time-Series

Everything happens at a location and a time (Photo by Veri Ivanova on Unsplash)

Where do data come from? They are derived from events in our Universe. Every event that happened, has happened at…

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TDS Archive
TDS Archive

Published in TDS Archive

An archive of data science, data analytics, data engineering, machine learning, and artificial intelligence writing from the former Towards Data Science Medium publication.

Tim Lou, PhD
Tim Lou, PhD

Written by Tim Lou, PhD

Data Scientist @ TTD | ex Researcher @ Berkeley/LBNL | Particle Physics PhD @ Princeton | Podcast @ quirkcast.org