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Space-Time: The Biggest Problem in Physics
What is the deepest level of reality? In this Quanta explainer, Vijay Balasubramanian, a physicist at the University of Pennsylvania, takes us on a journey through space-time to investigate what it’s made of, why it’s failing us, and where physics can go next.
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Barbara Liskov on the Future of Computer Science
Barbara Liskov addresses the challenges that confront computer science.
Virginia Trimble on How Astronomy Has Changed
Virginia Trimble discusses how astronomy has changed over the course of her half-century career.
Stephanie Wehner Aims to Build a Quantum Internet
Wehner discusses the advantages of transmitting qubits rather than bits across a long-distance communication network.
Craig Callender on the Trouble With Black Hole Thermodynamics
Craig Callender explains why the connection between black holes and thermodynamics is little more than an analogy.
Iyad Rahwan: Why We Need a Science of Machine Behavior
The behavior of algorithms is so complex and surprising that we need to study them as though they were animals in the wild.
Carlo Rubbia on the Future of Particle Physics
Carlo Rubbia explains why he thinks particle physicists should take the next step by building a “Higgs factory.”
Greg Johnson on A.I. That Sees Inside Cells
Greg Johnson, a computer vision researcher at the Allen Institute for Cell Science, explains how his deep learning vision systems can advance the state of cell biology.
Hod Lipson Builds Consciousness Into a Robot
The roboticist Hod Lipson, the director of the Creative Machines Lab at Columbia University, uses robots to explore ancient questions about how people think.
Lee Smolin on the Impossibility of Studying the Universe
Lee Smolin explores the problem of understanding the universe from the perspective of being inside the universe, as well as the need for physicists to know philosophy.