In Theory
What Are Feynman Diagrams?
The physicist Richard Feynman devised a system of line drawings that simplified calculations of particle interactions and helped rescue the field of quantum electrodynamics.
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Omololu Akin-Ojo: Doing Cutting-Edge Physics in Africa
Omololu Akin-Ojo of the East African Institute for Fundamental Research discusses his plans to invigorate theoretical physics in Africa, including by focusing on problems related to energy and water that will especially impact the continent.
Nobel Laureate James P. Allison on the Origins of His Cancer Immunotherapy Research
James P. Allison of the University of Texas MD Anderson Cancer Center discusses what initially drew him to immunology as a field and why many scientists used to be skeptical that an immunological strategy for killing cancers would work.
Scarlett Howard on the Lessons of Teaching Bees Math
Scarlett Howard describes how and why she taught honeybees math.
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.”