Sunday, October 20, 2019

Satellite Internet service

PowerPoint Presentation

Skills: None
IT concepts: geostationary, medium-Earth, and low-Earth orbit satellite characteristics, satellite footprint, Some evolving, critical technologies, LEO/MEO ISP competitors and the customers they hope to serve

Monday, September 23, 2019

The evolution of online protest

PowerPoint presentation

Skills: none
Concepts: evolving technology, citizen journalism, loss of naiveté, synchronous vs asynchronous applications, the digital divide

Wednesday, September 4, 2019

Case study -- SpaceX Starlink simulation

PowerPoint presentation
Prerequisite topic module

Skills: none
Concepts: dynamic nature of the constellation, constellation characteristics, role of simulation in design -- economic as well as technical


Monday, September 24, 2018

Twitter

PowerPoint presentation

Skills: be able to use Twitter
Concepts: a tool for collaboration, evolution of the service and its applications

Wednesday, May 2, 2018

Satellite connectivity

PowerPoint presentation

Skills: none
Concepts: geostationary, medium-Earth, and low-Earth orbit satellite characteristics, spectrum and licensing, satellite technology progress, important Internet-service satellite projects and some of their implications

Tuesday, September 29, 2015

Supplementary material: evolution of a product from vision to ubiquity, using WiFi as an example

I supplement my Internet literacy class with weekly discussion items, usually based on some current event. In class we talk about the evolution of a product from vision to engineering prototype to limited-market product to ubiquitous product. This year is the 25th anniversary of WiFi, so I used it as an example. The PowerPoint presentation for the discussion has four annotated slides:







Monday, September 28, 2015

Supplementary material: study of MOOC benefits for career and education

I supplement my Internet literacy class with weekly discussion items, usually based on some current event. We cover applications and implications of online education and this week we talked about a survey that was just published on the payoffs of a Coursera MOOC for students seeking education or career advancement. The PowerPoint presentation for the discussion has five annotated slides:







Tuesday, September 22, 2015

Supplementary material: scientific collaboration and taxonomy versus search

I supplement my Internet literacy class with weekly discussion items, usually based on some current event. In class we stress uses of the Internet in support of collaboration, and this week I found an open database for collaboration among biologists, which I presented as an example. The PowerPoint presentation for the discussion has three annotated slides:



Saturday, September 19, 2015

Supplementary material: UCLA survey of first-time freshmen

I supplement my Internet literacy class with weekly discussion items, usually based on some current event. Last week, we discussed three questions from UCLA's national survey of first-time freshmen. The PowerPoint presentation for the discussion has three annotated slides:

Supplementary material: Ad blocking

I supplement my Internet literacy class with weekly discussion items, usually based on some current event. Last week, we discussed ad blocking. The PowerPoint presentation for the discussion has four annotated slides: