Smarter Every Day
https://www.youtube.com/user/destinws2
Minute Physics
https://www.youtube.com/user/minutephysics
Veritasium
https://www.youtube.com/user/1veritasium
Periodic Table of Videos
https://www.youtube.com/user/periodicvideos
Numberphile
https://www.youtube.com/watch?v=w-I6XTVZXww
APS Physics Central:
Physics in Action, Physics in Pictures, Physics +, Physics@Home, and more
http://www.physicscentral.com
OSA’s Optics for Kids website:
Activities, Celebrities, Timelines, and more
http://www.optics4kids.org/home/
IOP Physics.org
http://www.physics.org
NASA Outreach Resources
http://science.nasa.gov/researchers/education-public-outreach/