![SciTech Now](https://image.pbs.org/contentchannels/kuyRwZU-white-logo-41-ABzOIdR.png?format=webp&resize=200x)
How do atoms keep time?
Clip: Season 4 Episode 14 | 5m 56sVideo has Closed Captions
Ainissa Ramirez explains how atoms keep time.
Scientist, author and a self-proclaimed “Science Evangelist, Ainissa Ramirez joins Hari Sreenivasan to discuss her latest podcast episodes about how atoms keep time.
![SciTech Now](https://image.pbs.org/contentchannels/kuyRwZU-white-logo-41-ABzOIdR.png?format=webp&resize=200x)
How do atoms keep time?
Clip: Season 4 Episode 14 | 5m 56sVideo has Closed Captions
Scientist, author and a self-proclaimed “Science Evangelist, Ainissa Ramirez joins Hari Sreenivasan to discuss her latest podcast episodes about how atoms keep time.
How to Watch SciTech Now
SciTech Now is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV, Android TV, Android smartphones, Amazon Fire TV, Amazon Fire Tablet, Roku, Samsung Smart TV, and Vizio.
Providing Support for PBS.org
Learn Moreabout PBS online sponsorshipVideo has Closed Captions
An entrepreneur combines his love of computers with his passion for ranching. (4m 41s)
Eliminating the digital divide
Video has Closed Captions
An initiative provides students with 24/7 access to the internet. (6m 42s)
Teaching the science and technology of tomorrow
Video has Closed Captions
St. Petersburg College is teaching students the science and technology of tomorrow. (5m 36s)
Providing Support for PBS.org
Learn Moreabout PBS online sponsorship