34:21
Could There Be a Crisis in Physics?
Physicist Lawrence Krauss and Nobel Laureates Frank Wilczek and Brian Schmidt discuss current cosmic challenges.
16:53
Alan Alda’s Challenge to Scientists: Define Color
Alda’s ‘Flame Challenge’ asks scientists to explain color—with children as the judges.
See the World Through Color-Filtering Lenses
Explore color by creating color-filtering glasses using paper and tinted cellophane.
10 Questions for Jill Tarter, Astronomer
The long-time SETI astronomer discusses the search for extraterrestrial intelligence and helping inspire a Carl Sagan novel.
22:30
Is Coding the Language of the Digital Age?
The Bureau of Labor Statistics estimates that programming jobs will grow by 12 percent from 2010 to 2020.
30:01
A ‘Personal’ Computer Turns 30
On January 24, 1984, Steve Jobs unveiled the Macintosh computer to the world.
17:04
James Dyson: ‘Failures Are Interesting’
Inventor James Dyson built 5,127 prototypes before completing his first bagless vacuum.
A Physicist Conjures Sounds From the Past
Physicist Carl Haber helps resurrect sound from old audio files once thought lost to history.
Dispatches From Sundance
SciFri staff members are checking in on the Sundance Film Festival’s science offerings.
29:57
Science Goes To The Movies: ‘Her’
Our scientist-film critics weigh in on “Her.”