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Physics Explained

Physics Explained makes detailed physics videos that connect the mathematics of quantum mechanics, relativity and electromagnetism with the history behind the ideas.

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Physics Explained’s happenings, collected from public sources, plus their backstory and Starbook, where fans write.

Known for

Overview

Work: Physics educator and video creator
Background: PhD in theoretical physics, specialising in string theory
Channel created: 11 October 2018
Approach: Mathematical explanations with historical context

Mini bio

The idea.

Physics Explained is for curious viewers who want to follow the mathematics behind modern physics. The creator describes a PhD background in theoretical physics, specialising in string theory, and says physics education now takes up most of their time.

Early foundations.

The YouTube channel was created in October 2018. By August 2020, its library included a detailed treatment of the ultraviolet catastrophe, following classical radiation theory through to Planck’s quantum hypothesis.

Videos fans return to.

The 2020 ultraviolet catastrophe video and the 2022 Schrödinger equation introduction have each passed two million views. The latter works through a particle in a box, probability and superposition, giving viewers a concrete calculation to follow.

The expanding library.

In 2025, videos explored quantum fields, neutron stars and the Planck length. The channel also makes room for mathematics itself: its 2026 Riemann hypothesis series follows the connection between prime numbers and the zeta function.

Creditschronological, newest first

2025What ACTUALLY Happens at the Planck Length?Creator
2025How Many Neutrons Can You Stack Before Reality Breaks?Creator
2025But What Actually Is a Particle? How Quantum Fields Shape RealityCreator
2022The Schrödinger Equation Explained from First PrinciplesCreator
2020What is the Ultraviolet Catastrophe?Creator

Quotes

without skimping on the mathematical detailPhysics Explained, official YouTube channel description

The channel description uses this phrase to explain its approach to advanced physics.

Trivia

The ultraviolet catastrophe video follows the presentation in Eisberg and Resnick’s quantum physics textbook.
The Schrödinger equation introduction uses a particle in an infinite square well as its worked example.
The channel’s Riemann hypothesis series ventures into number theory as well as physics.