yego.me
yego.me
💡 Stop wasting time. Read Youtube instead of watch. Download Chrome Extension

Discovering Gravitational Waves | StarTalk

2m read
·Nov 11, 2024

[Music]

30 million years ago, in a distant galaxy, 30 million light years away, two black holes collided. Each black hole is itself a significant disturbance in the fabric of space and time. When they collide, it creates an even greater ripple that gets sent out at the speed of light.

A ripple through the fabric of space and time. In the world of technology, a person is born called Albert Einstein, who thinks about the fabric of space and time. He comes up with the general theory of relativity, predicting the fact that such a thing as ripples through the fabric of space and time exists. We would later show that two black holes would be the best example of a ripple through the fabric of space and time.

Meanwhile, this ripple continues to move. Einstein predicts we should be able to detect one of these. We don't have the technology yet; that would take another 80 to 90 years just to create the apparatus that could detect it. We build the apparatus.

This holds a laser interferometric gravity wave Observatory, LIGO for short. We turn on the switch. Within days of turning on the switch, that wave washes across the Earth, and we detect it. We detected something that was cast into motion before we were human.

Einstein not only predicted the existence of gravity waves; he came up with the general theory of relativity. He also laid the foundation for the invention of the laser, and it is lasers that were used to detect the gravity waves. That's badass!

That's [Music] Einstein.

Random numbers for experimental probability | Probability | AP Statistics | Khan Academy
Starting A Company? The Key Terms You Should Know | Startup School

More Articles

View All
On These Questions, Smarter People Do Worse
There is this research paper that has been on my mind for years. It shows that there is a particular type of problem where the smarter you are, the more likely you are to get it wrong. So I asked my American friend Wylie to go out on the street and ask pe…
Finding the end time for a movie in 24 hour time | Math | Khan Academy
We are told that Andre goes to a movie that starts at 19 hours 45 minutes, or 1945, and is 90 minutes long. What time is the movie finished? So pause this video and see if you can answer that before we work through it together. All right, so what I like …
What is Morality?
If I steal from the rich and feed to the poor, is that good or bad? If I drive over the speed limit to get my sick child in the hospital, is that good or is that bad? What is good and what is bad? What is morality, and do you as a person have morals? Mor…
A Selfish Argument for Making the World a Better Place – Egoistic Altruism
Until recently, the vast majority of the world population worked on farms, and the total production of the world’s economy was mostly the total agricultural output. And this output was limited by the fixed size of the land. The total output of the economy…
This is Why You're Feeling Broke in 2023 (You're Not Alone!)
Over the past year or so, you’ve probably been feeling like you’ve got less money to spend. But what if I told you this is happening to almost everyone around the world? And what if I also told you that your government is deliberately taking money away fr…
Reasons To Stop Worrying (Break The Habit of Excessive Thinking)
The ability to plan for the future is a cornerstone of our civilization. The human race would never have flourished if we didn’t organize, arrange, design, prepare, and delay gratification for greater causes. Take, for example, this structure: the Kölner…