Browse Resources

This interactive presentation, created by Terry Bartelt for the Electromechanical Digital Library, discusses the rotations per minute (RPM) of AC motors. Bartelt begins with a discussion of the magnetism that allows most of these motors to function. The author addresses such factors as the frequency...

This resource, provided by Erie Community College, consists of three videos demonstrating the expansion of a rubber glove in a Rough Vacuum Equipment Trainer (RVET) when pressure is removed from the chamber. In the first video, the presenter guides viewers through the experiment's setup, covering...

This video from CUNY Kingsborough Community College shows the process of running an agarose gel. The video describes the process step by step and would be easy to replicate in a laboratory setting. Running time for the video is 2:52.

A Java applet for signal sampling at various sampling frequencies, and signal reconstruction from samples using various low-pass filter cutoff frequencies. Select from provided signals, or draw a signal with the mouse. This demonstration labels frequency in units of radians per second.

This video, made available by the STEM Guitar Project, was recorded at the Guitar Build Institute held at Aptos Middle School in San Francisco, California in 2018. In the video Steve Brown demonstrates fitting the neck into the guitar body during electric guitar construction. The video runs 3:11...

This video, made available by the STEM Guitar Project, was recorded at the Guitar Build Institute held at Aptos Middle School in San Francisco, California in 2018. In the video Steve Brown demonstrates sanding off the neck tab with a belt sander during electric guitar construction. Topics covered...

This video, made available by the STEM Guitar Project, was recorded at the Guitar Build Institute held at Aptos Middle School in San Francisco, California in 2018. In the video Steve Brown demonstrates how to evenly sand the 12" radius on an electric guitar fretboard. The video runs 6:46 minutes in...

This video, provided by Digital World Biology, is from a series of tutorial videos for iCn3D, a web-based three-dimensional visualization and structural analysis platform for molecular structures. During the video, presenter Sandra Porter discusses using iCn3D to predict whether an antibody will be...

In this video from the National Cybersecurity Training and Education (NCyTE) Center, Vincent DiNoto explores data pathways concerning geospatial technologies and the requirements between open-source data, information security, and geospatial ethics. Global position satellites (GPS), global...

This tutorial, provided by Virginia Geospatial Extension, is part of a series of 30 videos that cover remotely sensed data in ArcMap 10.x versions. This tutorial demonstrates saving and exporting map documents in ArcGIS. This video runs 00:53 seconds in length. The other videos in the series are...