General Relativity

General Relativity

A person sits on a chair against a white backdrop with abstract black dotted patterns, set against a yellow background.
1hr 16mins
NASA astronomer Michelle Thaller makes the case that quantum entanglement may be the underlying fabric from which spacetime itself emerges. 
A man sits on a chair against a white backdrop, with a background featuring repeated vintage images of a person riding a horse.
1hr 19mins
Theoretical physicist Jim Al-Khalili explores why our sense of time may be incredibly misleading, including the idea that past, present, and future might all exist at once.
A timeline diagram showing portraits of various scientists, documents, and equations connected by arrows, illustrating the historical development of quantum mechanics.
16mins
“The messy reality of it is that all of these very smart people, including Isaac Newton, were talking to other people.”
A digitally rendered black hole with a dark center and a glowing, distorted ring of light surrounding it.
23mins
"Could black holes be the key to a quantum theory of gravity, a deeper theory of how reality, of how space and time works? Well, I think so."
A man in a suit sits on a chair against a yellow background with abstract blue and green wave patterns behind him.
1hr 26mins
“I like to say that physics is hard because physics is easy, by which I mean we actually think about physics as students.”
A man sits on a stool in front of a white backdrop with a black circle behind his head, surrounded by colorful, nebula-like clouds.
1hr 18mins
“Could black holes be the key to a quantum theory of gravity, a deeper theory of how reality, of how space and time works?”
A magnifying glass focusing on concentric circles against a plain teal background.
19mins
"It's a very, very beautiful calculation, but it's the best example I know of the relationship between these rather abstract quantities perhaps and something that you can look at in a telescope."
A human hand appears to hold a glowing celestial object surrounded by small planets and stars, creating the illusion of a miniature universe in the palm.
11mins
"We are all in orbit around the center of the Milky Way galaxy. How big is this collection of stars? Somewhere between 200 and 400 billion suns in the Milky Way galaxy, about 100,000 light years across."
Black and white close-up photograph showing the upper part of an elderly person’s face and their white, unruly hair against a dark background.
3mins
Nobel Prize winning physicist Frank Wilczek reflects on Einstein’s greatest contribution.
The black holes logo with a starry background.
12mins
When black holes disappear, what happens to the stuff that fell in? Physicist Brian Cox explains.
Abstract digital art of concentric ripples radiating from a glowing center, featuring shades of pink, purple, and orange against a dark background.
5mins
NASA’s Michelle Thaller explains what happens when the densest stars in the galaxy collide.
A stylized, purple-tinted depiction of a black hole in space, showing a glowing accretion disk and a star-filled background.
5mins
Gravity defies quantum mechanics. What does that mean for a theory of everything?
a hand is holding a ball with a model of the solar system.
42mins
Sabine Hossenfelder talks about Albert Einstein, dead grandmothers, the physics of aging, and more in this full interview with Big Think.
Illustration of a nude male figure with arms and legs extended in two positions, inscribed in a circle and square, known as the Vitruvian Man by Leonardo da Vinci, exemplifying the law of symmetry in human anatomy.
Basic and breath-taking – Dr. Frank Wilczek addresses symmetry’s critical role in nature’s laws and what we consider to be beautiful.
John Templeton Foundation
A black and white spiral clock with distorted numbers on a dark textured background, evoking the science of time and creating an illusion of time twisting inward.
4mins
Is this video four minutes long? Not necessarily.
John Templeton Foundation
A black-and-white abstract image featuring a dense field of small dots and a central dark oval, evoking the mysterious allure of black holes, surrounded by a lighter, glowing area.
To understand the edges of our universe, we’ll need to explore the edges of our own philosophies.
John Templeton Foundation