PBS
The Leap Second Explained
Everyone's heard of leap years ... but what about leap seconds? Young scientists get acquainted with one of humankind's most awkward standard measurements with a short video from a PBS playlist covering space and time...
CK-12 Foundation
Ck 12: Elem Math: Overview of Analog and Digital Clocks
[Free Registration/Login may be required to access all resource tools.] Video explains the difference between analog and digital time and how to convert from digital to analog, paying close attention to where to place the hour hand based...
CK-12 Foundation
Ck 12: Elem Math: Matching the Analog and Digital Clocks
[Free Registration/Login may be required to access all resource tools.] In this learning module, students are asked to match times on analog and digital clocks to the hour and half-hour. Includes video demonstrating a sample problem...
Open Ed
Open Ed: Tu Hs Physics Ttsd: Storing Information: Digital vs Analog
Find out the advantages of storing information digitally as opposed to storing information in an analog or more mechanical fashion. [3:30]
Khan Academy
Khan Academy: Electrical Engineering: Signals and Systems
Signals and Systems covers analog and digital signal processing, ideas at the heart of modern communication and measurement. We present the basic concepts for continuous-time and discrete-time signals in the time and frequency domains....
Sophia Learning
Sophia: Significant Figures in a Measurement: Lesson 3
This lesson will demonstrate how to determine the correct number of significant figures in a measurement (both analog and digital). It is 3 of 3 in the series titled "Significant Figures in a Measurement."
Sophia Learning
Sophia: Significant Figures in a Measurement: Lesson 1
This lesson will demonstrate how to determine the correct number of significant figures in a measurement (both analog and digital). It is 1 of 3 in the series titled "Significant Figures in a Measurement."