In Theory

Art for "What Are Feynman Diagrams?"
By clicking to watch this video, you agree to our privacy policy.

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.


Explore All Videos

Michael Costanzo: Giant Genetic Map Reveals Life’s Hidden Links

October 25, 2016

Michael Costanzo, a biologist at the University of Toronto and a lead author on the new study, explains why it’s important to understand how genes interact.

Helen Quinn: A Wormhole Between Physics and Education

October 18, 2016

Helen Quinn has blazed a singular path from the early days of the Standard Model to the latest overhaul of science education in the United States.

Pencils Down: Mike Zitolo of School of the Future

October 11, 2016

Michael Zitolo is turning the way science is approached in the classroom upside down.

Pencils Down: Soni Midha of East Side Community High School

October 11, 2016

In school or in life, Soni Midha wants her math students to be able to prove why something is correct.

Pencils Down: Channa Comer of Baychester Middle School

October 11, 2016

Channa Comer teaches 6th-grade science. She focuses on engagement so kids will want to keep learning.

Pencils Down: Aaron Mathieu of Acton-Boxborough Regional High School

October 11, 2016

Students need a chance to fail at science to learn about its process, says Aaron Mathieu.

Pencils Down: Channa Comer Teaching About Scientific Controls

October 11, 2016

What’s a control? Channa Comer challenges her students to explain and work things out for themselves.

Pencils Down: The Art of Teaching Math and Science

October 11, 2016

What can we learn from the best teachers on the front lines? To shine a spotlight on this linchpin of our education system, Quanta Magazine followed four master science and math teachers into their classrooms.