What is General Relativity? Lesson 67: Pullback example and introduction to metric equivalence.

Why it's on BrighterTube

From a channel a BrighterTube curator approved in full · 80% confidence

From a channel Lumen includes in full: XylyXylyX posts long, rigorous self-study lesson series on tensors and manifolds, relativistic mechanics, QED prerequisites and quantum computing (including Shor's algorithm).

What you'll learn

A 63-minute video from XylyXylyX's catalogue; the title names its topic.

Science & Math

Video by XylyXylyX, played through YouTube's embedded player.

Part of What is General Relativity?

44:41

Lie Groups and Lie Algebras: Lesson 38 - Preparation for the concept of a Universal Covering Group XylyXylyXScience & Math

52:20

Lie Groups and Lie Algebras: Lesson 39 - The Universal Covering Group XylyXylyXScience & Math

But what is a neural network? | Deep learning chapter 1 3Blue1BrownScience & Math

Intro25.1M views

But what is the Fourier Transform? A visual introduction.3Blue1BrownScience & Math

Intro12.6M views

Lec 1 | MIT 18.06 Linear Algebra, Spring 2005 MIT OpenCourseWareScience & Math

4.93M views

Math's Fundamental Flaw VeritasiumScience & Math

30.8M views

AT&T Archives: Similiarities of Wave Behavior (Bonus Edition)AT&T Tech ChannelEngineering

474K views

The Most Misunderstood Concept in Physics VeritasiumScience & Math

31.5M views

Lecture 1: Introduction to Superposition MIT OpenCourseWareScience & Math

Intro9.37M views

25:10

How an Atomic Clock Really Works: Inside the HP 5061A Cesium Clock CuriousMarcEngineering

465K views

Doug McLean | Common Misconceptions in Aerodynamics Michigan EngineeringEngineering

857K views

27:13

The Longest Year in Human History (46 B.C.E.)Historia CivilisHistory

7.36M views

44:41

Lie Groups and Lie Algebras: Lesson 38 - Preparation for the concept of a Universal Covering Group

XylyXylyX

A 45-minute video from XylyXylyX's catalogue; the title names its topic.

52:20

Lie Groups and Lie Algebras: Lesson 39 - The Universal Covering Group

XylyXylyX

A 52-minute video from XylyXylyX's catalogue; the title names its topic.

But what is a neural network? | Deep learning chapter 1

3Blue1Brown

Intro25.1M views

Builds up what a neural network actually is — neurons as numbers, layers, weights and biases — using handwritten-digit recognition as the running example.

But what is the Fourier Transform? A visual introduction.

3Blue1Brown

Intro12.6M views

A visual introduction to the Fourier transform: winding a signal around a circle to find its frequencies.

Lec 1 | MIT 18.06 Linear Algebra, Spring 2005

MIT OpenCourseWare

4.93M views

Gilbert Strang's first lecture of MIT 18.06: the geometry of linear equations.

Math's Fundamental Flaw

Veritasium

30.8M views

Gödel's incompleteness, Turing's halting problem and the limits of mathematics.

AT&T Archives: Similiarities of Wave Behavior (Bonus Edition)

AT&T Tech Channel

474K views

Bell Labs' J.N. Shive uses a mechanical wave machine to show reflection, standing waves, resonance and impedance matching — the ideas behind transmission lines.

The Most Misunderstood Concept in Physics

Veritasium

31.5M views

Entropy, the arrow of time and why the Sun is a source of low entropy rather than just energy.

Lecture 1: Introduction to Superposition

MIT OpenCourseWare

Intro9.37M views

MIT 8.04 Quantum Physics I, lecture 1: superposition, introduced through experiments with 'hardness' and 'color'.

25:10

How an Atomic Clock Really Works: Inside the HP 5061A Cesium Clock

CuriousMarc

465K views

CuriousMarc opens an HP 5061A caesium beam clock and explains, module by module, how it locks to an atomic transition.

Doug McLean | Common Misconceptions in Aerodynamics

Michigan Engineering

857K views

Boeing aerodynamicist Doug McLean dismantles popular wrong explanations of lift and explains what really happens.

27:13

The Longest Year in Human History (46 B.C.E.)

Historia Civilis

7.36M views

How Julius Caesar's calendar reform produced the 445-day year of 46 BCE and gave us the Julian calendar.