To mark the 40th anniversary of Back to the Future, NPR looks at what it takes to get time travel right on the big screen
Copyright 2025 NPR
Scott Detrow is a White House correspondent for NPR and co-hosts the NPR Politics Podcast.
Regina G. Barber
Regina G. Barber is Short Wave's Scientist in Residence. She contributes original reporting on STEM and guest hosts the show.