World Science Festival
Infinite Worlds: A Journey through Parallel Universes
The multiverse hypothesis, suggesting that our universe is but one of perhaps infinitely many, speaks to the very nature of reality. Join physicist Brian Greene, cosmologists Alan Guth and Andrei Linde, and philosopher Nick Bostrom as...
World Science Festival
Where Did The Title "Big Bang" Come From?
The concept of the Big Bang Theory—the prevailing cosmological model of the early development of the universe—brings up many difficult questions that go against our notions of reality. What happened before the big bang? If there was no...
World Science Festival
How do we know that our current cosmological model is correct?
Does the data support the theory? Physicist Brian Greene takes us through the quantum origins of our universe all the way to the mission that is seeking to uncover those origins by measuring the fluctuations in the cosmic microwave...
World Science Festival
Brian Greene Explains Why Are We Here and Not There?
Proponents of the anthropic principle claim that the universe is fine tuned for life on earth, as if it was made for us. But the truth is, if it was any other way, we wouldn't be there to know it. Physicist and Columbia University...
World Science Festival
The Cosmic Treasure Hunt
The first people who will live on other planets or meet an extraterrestrial life form may not have even been born yet. But it's important that the people of today work towards that future. Theoretical Physicist Stephen Hawking delivers a...
World Science Festival
James Maxwell and the Unification of Electromagnetism
James Maxwell is one of the lesser known unifiers, according to physicist Jim Gates. Maxwell was responsible for making a connection between magnets and electricity, becoming the father of electromagnetism. This unification allowed for...
World Science Festival
Eternal Inflation of a Cosmic Landscape
The search for a unified theory of physics has led theorists far and wide for answers. String theory is a major contender in the race to find the unified theory, but there are things that it doesn't explain. Surprisingly, the answers...
World Science Festival
The Darkness Surrounds Us
In this clip from the 2011 World Science Festival program "The Dark Side of the Universe," New York University particle physicist Glennys Farrar explains what evidence clued in scientists to the existence of dark matter, and University...
World Science Festival
Timeless Time in the Quantum World
In our world, it wouldn't be normal for a broken teacup to pull itself together again in the next moment. But in the quantum world, the "flow" of time does not seem to exist. Physicists Fay Dowker, Roger Penrose, and Frank Wilczek...
World Science Festival
Meeting in Andromeda: How Time Dilation Can Get Weird
The effects of time dilation that we experience are so minuscule as to usually escape notice; however, the phenomenon compounds with distance and motion. Radio host John Hockenberry and physicist Roger Penrose walk through an...
World Science Festival
Einstein Vs. Newton on Space and Time
Albert Einstein's theories shook the very foundation of reality, challenging the Newtonian view that space and time are absolute. Science historian David Kaiser and physicist Fay Dowker set the stage for this evolution of understanding...
World Science Festival
Brian Greene and Lawrence Krauss Discuss the Higgs
World Science Festival co-founder Brian Greene met with theoretical physicist and WSF alum Lawrence Krauss in order to field some questions sent in about the Higgs Boson and the future of physics as we know it. Original Clip Date: Dec.13...
World Science Festival
The Power of Symmetry in Math
What do scientists and mathematicians mean when they describe equations as beautiful? Often, they are referring to its symmetry. At the 2016 World Science Festival, mathematical physicist Robbert Dijkgraaf, curator Paola Antonelli, and...
Big Think
Symmetry: How Einstein Changed the Way We See Everything.
Nobel Prize-winning physicist Frank Wilczek details the broad influence Albert Einstein had on his career, as well as society as a whole. Frank Wilczek's book is "A Beautiful Question: Finding Nature's Deep Design"...
The Royal Institution
How Particle Accelerators Are Used to Cure Cancer - with Simon Jolly
Could particle accelerators like the Large Hadron Collider really help to cure cancer? Subscribe for regular science videos: http://bit.ly/RiSubscRibe An advanced form of radiotherapy, proton beam therapy enables tumours to be targeted...
The Royal Institution
Q&A - How to Know a Neutrino - with Art McDonald
Why can’t neutrinos be directly detected going faster than light in heavy water? Why don’t neutrinos interact with photons and gluons? Nobel Prize-winner Arthur McDonald answers questions from the audience after his lecture. Watch the...
The Royal Institution
How to Know a Neutrino - with Art McDonald
Nobel Prize winner Art McDonald tells the story of the Sudbury Neutrino Observatory, a Canada-UK-US laboratory 2 km underground, and teaches us how to tell a neutrino from a hole in the ground. Watch the Q&A here:...
The Royal Institution
Quantum Physics and Universal Beauty - Q&A with Frank Wilczek
Please watch with subtitles switched on. What physics would a 12 year old girl be interested in? If symmetry is so prevalent, why haven’t we hit a state of equilibrium? Nobel Prize winner Frank Wilczek answers audience questions after...
The Royal Institution
Quantum Physics and Universal Beauty - with Frank Wilczek
How simple questions inspired Nobel laureate Frank Wilczek’s groundbreaking work in quantum physics. Subscribe for regular science videos: http://bit.ly/RiSubscRibe Nobel laureate, Frank Wilczek’s groundbreaking work in quantum physics...
World Science Festival
The Internet of Things
For one dollar, you can connect anything to the internet. Physicist Neil Gershenfeld describes "the internet of things," a world where your radiator can talk to your window to efficiently manage temperature control in order to save...
World Science Festival
Time Since Einstein
Albert Einstein shattered previous ideas about time, but left many pivotal questions unanswered: Does time have a beginning? An end? Why does it move in only one direction? Is it real, or something our minds impose on reality? Journalist...
World Science Festival
Brian Greene Introduces the Theory of General Relativity
Ever wanted to understand Einstein’s theories of relativity, but didn’t know where to start? Let Brian Greene introduce you to you the Theory of General Relativity with an alluring metaphor. Physicist Brian Greene explains how Albert...
Curated Video
The Story of Robert Goddard, Father of Modern Rocketry
Dr. Robert Hutchings Goddard (1882-1945) is considered the father of modern rocket propulsion. A physicist of great insight, Goddard also had a unique genius for invention. It is in memory of this brilliant scientist that NASA’s Goddard...
Science360
Science Behind The News: Quantum Computing
Imagine if engineers could build a computer to be millions of times faster than anything that exists today, yet so small it's microscopic. John Preskill, a theoretical physicist at the California Institute of Technology, explains the...