168: Open Source Software Licenses | RSS.com Open-source software is also free to use, but “free” can be applied to its use in two ways. First, it can be used at no cost for the user. We download open-source software, just as well do any software, but installation proceeds without entering account information. Second, users are free to use the software in that they Read More
Author: Gary Ackerman
WCAG for Educators
In the modern classroom, the “workspace” isn’t just a physical desk; it’s a Learning Management System (LMS), a digital worksheet, and a shared slide deck. As education shifts deeper into the digital realm, ensuring every student can access these tools is no longer a “bonus”—it is a professional and legal necessity. The latest update, WCAG Read More
A Brief History of Computers in Schools
A Brief History of Computers in Schools In the United States, desktop computers arrived in classrooms beginning in the late 1970’s and early 1980’s, which is when they arrived on the consumer market as well. If you walked into one of the classrooms where there were those first desktop computers installed, you probably would have seen one or two computers; nearby, there would have been a box of Read More
Planning and Design of Lessons
I colleague asked for my take on the difference between the two. I figured it mught be an interest post for my blog too. Design Versus Planning When I was an undergraduate student studying to become an educator, my peers and I took great pride in our lesson planning. When I was a graduate student Read More
Team-Based Learning
a post created by NotebookLM based on my notes from Michaelsen, L. K., Knight, A. B., & Fink, L. D. (Eds.). (2004). Team-based learning: A transformative use of small groups in college teaching. Stylus Publishing. Mention the phrase “group project,” and you’re likely to get a groan. For many of us, the experience brings back Read More
On Becoming Educated
I’ve been rereading Steven Pinker’s Enlightenment Now. I am familiar with criticism of his work, but I am a fan nonetheless—maybe it comes from the fact that I believe we can read works even if we dispute some of the points and still find them worthy. In his chapter on “Knowledge” Pinker writes: “So much Read More
Teachers and AI, But Not with Students
Artificial intelligence is rapidly becoming a quiet partner in the work teachers do every day. While much of the conversation focuses on collaborative, whole‑school adoption, the reality is that many educators are using AI individually—experimenting on their own, testing tools privately, and integrating them into their workflow long before formal policies or training appear. In Read More
AI and Authoritative Sources
In my work, I see lots of examples of people accepting what comes from AI as true; we accept whatever it gives us with little effort to confirm it. We should be concerned about this, except for the fact that humans have a very long history of accepting information as correct from sources without any Read More
ARP Spoofing
A post for students in network security class: ARP spoofing is a powerful technique used by hackers to intercept and view unencrypted web traffic on a local area network (LAN). This attack exploits a fundamental vulnerability in the Address Resolution Protocol (ARP), which the internet uses to map a device’s IP address (where it is Read More
Deep Fakes
A blog post for students network security class: Deepfakes represent a modern frontier of digital deception, consisting of counterfeit images, videos, or sounds generated through machine learning algorithms. While these tools can be used for entertainment, they are increasingly weaponized by hackers as social engineering techniques to psychologically influence human behavior. By using technology to Read More