Instructional Video
Khan Academy

Khan Academy: Encryption and Public Keys

9th - 10th
Mia Epner, who works on security for a US national intelligence agency, explains how cryptography allows for the secure transfer of data online. This video explains 256-bit encryption, public and private keys, SSL & TLS and HTTPS....
Instructional Video
Khan Academy

Khan Academy: Http and Html

9th - 10th
Tumblr founder David Karp and Xbox program manager Jasmine Lawrence give a detailed description of how files and webpages are sent and received using HTTP and HTML. This video lesson from Khan Academy is intended for students who are...
Instructional Video
Khan Academy

Khan Academy: Welcome to Our Hour of Code!

9th - 10th
The 'Hour of Code' is a nationwide initiative by Computer Science Education Week and Code.org to introduce millions of students to one hour of computer science and computer programming. This video lesson from Khan Academy is intended for...
Instructional Video
Khan Academy

Khan Academy: Welcome to Natural Simulations

9th - 10th
This video lesson from Khan Academy is intended for students who are taking an introductory computer science course. Natural simulations are discussed in this segment.
Instructional Video
Khan Academy

Khan Academy: Welcome to Making Webpages Interactive

9th - 10th
This video lesson explains how to make webpages interactive. This video lesson from Khan Academy is intended for students who are taking an introductory computer science course.
Instructional Video
Khan Academy

Khan Academy: Welcome to Sql

9th - 10th
Students will learn how to use SQL, a useful resource for connecting relational databases, in this interactive course! This video lesson from Khan Academy is intended for students who are taking an introductory computer science course.
Audio
Science Friday Initiative

Science Friday: Alan Turing at 100

9th - 10th
A look at the man who is the father of modern computing. [15 min, 25 secs]