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76,055 results

Dialect
Why Can't Matter Travel Faster Than Light? The Problem of Relativistic Mass.

The inertia of a body increases with its speed -- but what causes this strange phenomenon? And what does it reveal to us about ...

21:06
Why Can't Matter Travel Faster Than Light? The Problem of Relativistic Mass.

47,222 views

6 months ago

Dialect
How the One-Way Light Problem DISPROVES Einsteinian Relativity

Here the One-Way Speed of Light Problem is examined in thorough detail, and its inarguable consequences for Einstein's Theory ...

22:50
How the One-Way Light Problem DISPROVES Einsteinian Relativity

50,310 views

4 months ago

Dialect
Relativity Has Nothing to Do With Space or Time, Apparently

Did you know that the Theory of Special Relativity has never made any claims about the nature of space and time? Us neither.

20:16
Relativity Has Nothing to Do With Space or Time, Apparently

23,539 views

3 months ago

Dialect
How Superposition Causes Length Contraction -- And Explains the Principle of Relativity

What causes relativistic length contraction? Drawing inspiration from contemporary theories of wave mechanics, we tackle this ...

23:08
How Superposition Causes Length Contraction -- And Explains the Principle of Relativity

123,757 views

1 year ago

The Documentary Channel
PBS Light Falls Space Time and an Obsession of Einstein

Take a theatrical journey with physicist Brian Greene to uncover how Albert Einstein developed his theory of relativity. In this vivid ...

1:24:40
PBS Light Falls Space Time and an Obsession of Einstein

412,451 views

6 years ago

Aula Rostagni UniPadova DFA
Tim Maudlin - The Great Rift in Physics: Tension Between Relativity and Quantum Theory

Full Title: The Great Rift in Physics: Tension Between Relativity and Quantum Theory Speaker: Prof. Tim Maudlin Affiliation: New ...

2:02:42
Tim Maudlin - The Great Rift in Physics: Tension Between Relativity and Quantum Theory

14,557 views

Streamed 1 year ago

Space Startup News
Is Relativity Space Doomed… or About to Change Everything?

In March 2025, former Google CEO Eric Schmidt stepped in to save Relativity Space from the brink of bankruptcy with a massive ...

7:43
Is Relativity Space Doomed… or About to Change Everything?

3,491 views

3 months ago

Dialect
The 4th Dimension in Relativity isn't Time - it's Space.

Our reality is a 3 + 1 pseudo-Riemannian spacetime manifold whose intrinsic curvature manifests itself as gravity, right? Well no ...

12:06
The 4th Dimension in Relativity isn't Time - it's Space.

178,646 views

1 year ago

Paul M. Sutter, Ph.D.
How to Understand Gravity: The Road to Relativity (Part 2) - Ask a Spaceman!

Part 1: https://youtu.be/1J54o1T6jwE Full podcast episodes: http://www.askaspaceman.com Support: ...

9:44
How to Understand Gravity: The Road to Relativity (Part 2) - Ask a Spaceman!

11,684 views

8 years ago

Harry Gifford
Geometric effect of special relativity

Shows the geometric effects of special relativity. The camera is moving close to the speed of light near a bunch of pink cubes.

0:45
Geometric effect of special relativity

1,802 views

5 years ago

David Butler
How Fast Is It - Chapter 5 - General Relativity II - Tests (4k)

4:25 Error in the metric spacetime interval in polar coordinates. Should be sin(theta) instead of cos(theta). text ...

32:32
How Fast Is It - Chapter 5 - General Relativity II - Tests (4k)

67,983 views

3 years ago

ViaScience
Relativity 7a - differential geometry I

The mathematical field of Differential Geometry turns out to provide the ideal mathematical framework for General Relativity.

11:13
Relativity 7a - differential geometry I

26,749 views

14 years ago

Explaining Science
Introduction to Special Relativity

This video gives an overview of some of the key concepts from Einstein's theory of special relativity(SR) . How distance, time and ...

20:59
Introduction to Special Relativity

3,618 views

5 years ago

Channels new to you

US National Archives
Relativity

Relativity FOIA changes that. Built on Relativity One government in a Fed ramp authorized environment, it brings the full ...

4:56
Relativity

218 views

3 weeks ago

Project TMRO
Google Billionaire Saves Relativity Space

Eric Schmidt, former Google Exec, and a billionaire, has purchased a controlling stake in Relativity Space, and replaced Tim Ellis ...

7:58
Google Billionaire Saves Relativity Space

2,705 views

1 year ago

Sirius Revision
HL Special relativity introduction [IB Physics HL]

If you have your IB Diploma exams in May 2026, we have intensive revision courses designed to help you feel much more ...

14:12
HL Special relativity introduction [IB Physics HL]

4,866 views

2 years ago

asTWo-phys
SR_Lec6e: Intro to Relativistic Dynamics — Relativistic Mass, Momentum, Energy
22:28
SR_Lec6e: Intro to Relativistic Dynamics — Relativistic Mass, Momentum, Energy

381 views

5 years ago