Hear advice on internet privacy from the much-loved character Ruff Ruffman. [3 min, 25 sec]

Hear the pros and cons of online advertising from the much-loved character Ruff Ruffman. [3 min, 31 sec]

Hear about getting the most from the internet from the much-loved character Ruff Ruffman. [4 min, 21 sec]

Watch as Sal adds 53+17 by breaking apart the numbers and making a group of 10. [3:04]

This video [5:19] is an overview of Pixar in a Box; it will introduce you to some of the fundamental skills it takes to make a movie.

This video [3:16] focuses on an introduction to Virtual Cameras using examples from the movie "Inside Out."

Get to know more about Eben Ostby in this video [2:07].

This video [15:53] focuses on the facilities and furniture to support your educational model: Four ideas on space: start with desired outcome; bigger, more flexible learning spaces inside leaner, greener schools; stuck in existing space,...

In this video we explore the DVD ROM components inside a DVD player. [8:23]

In this video we explore the DVD ROM components inside a DVD player. [8:23]

In this video we explore the control board inside a DVD player. [3:12]

In this video we explore the housing and functions of a DVD player. [3:49]

In this video we explore the housing and functions of a DVD player. [3:49]

In this video we explore what is inside an alarm clock, how it is made, and how it works. [13:54]

Videos exploring the way things work.

An introduction to the mechanics of bitcoins and an overview of how transactions take place. [11:00]

This video discusses what cryptographic hash functions are and what properties are desired of them. [10:13]

This video explains the basic mechanics of a bitcoin transaction between two parties and what is included within a given bitcoin transaction record. [11:30]

Find out how real-world teachers are using PBS LearningMedia to inspire their teaching, enhance learning, and empower students. [46:41]

How can we quantify/measure an information source?

Electric Telegraphs and developments leading to Morse Code.

Adafruit founder Limor Fried and program manager Federico Gomez Suarez explain how computers represent numbers, text, images, and sound using tiny electric signals.

Artist Toyin Odutola takes a new stance on portraiture, bringing a novel and ingenious approach to the classic art technique. Through this video, learn how culture and identity can be the driving inspiration for intimate artistic...

In this video we explore what is inside a coffee maker, how it is made, and how it works. [13:52]