I have watched your videos on lynda.com as my bible — you are an excellent trainer.

Article about using power gathered from radio waves, heat, and motion to power small devices such as sensors and cell phones.

Tom, I sent the video [about my work] around to my colleagues, and they all agree that it was extremely well-done. Very professional, making the point without over-hyping, and with informative content.

Videojournalism introducing a paper that outlines how both computers and members of natural communities (such as ants, birds, and cells) cooperate.

A column for Volume 4, Issue 1 of “Drupal Watchdog”, the print magazine distributed at the semi-annual DrupalCon. It discusses the importance of an “easy entry” to technology, and the struggles Drupal has experienced in that regard.

Videojournalism about how researchers are teaching computers to understand the processes that create human emotion, possibly leading to better decisions and human-computer interfaces.

Ph.D.s: Want a month of all-expenses-paid training, with a six-figure job waiting for you when you’re done? That’s what a new crop of “data-science boot camps” offer — for those who qualify. (Online-only article.)

Videojournalism about algorithms that help computers recognize objects within an image, and undestand the scene itself.

A blog post to support my course, “Freelancing Fundamentals“.

The “smart” electric grid has held great promise for 15 years, but it’s not always been clear how deeply it’s penetrated our infrastructure — or what benefits it’s delivered. This article summarizes the current state of smart-grid technology, who’s implemented it, and where improvements are likely to appear. Online only.

Videojournalism about a system at http://newsstand.umiacs.umd.edu/ that interprets newsfeeds, placing items on a map (among other things).

A quick note of thanks for your videos, especially for the point about putting aside time for doing stuff not related to work. Great reminder. Thanks again.

I sense your sincerity and desire to actually give of your knowledge. Your desire to help others is a very worthy character trait (a gift actually!). It’s appreciated by many.

Videojournalism about turning photo collections into movie-like “Face Movies”, via a system that’s been incorporated into Google’s Picasa photo program. (Many thanks to guest interviewer Teresa Meek.)

I was afraid to work on this article about the gender gap in computing because it’s a topic surrounded by dogma, strong feelings, and poorly conceived statistics. As a result, most coverage on it is timid and shallow. But I think the hours of interviewing and research paid off. I’m happy with how it turned out. Online-only.

It’s gotten lots of coverage:

A blog post to support my course, “Up and Running with Bitcoin“.

I talk off the cuff about the popular cryptocurrency with fellow lynda.com authors Morten Rand-Hendriksen and Ray Villalobos on their Google Hangout show, “Authored Content”.

Videojournalism about the applications of, and solutions to, the “maximum-flow/minimum-cut” problem, which affects surprisingly diverse fields. As before, I did most of this, with the help of two shooters.

A column for Volume 3, Issue 2 of “Drupal Watchdog”, the print magazine distributed at the semi-annual DrupalCon. This one describes how to get Drupal to do what you want, despite having no knowledge of Drupal’s main languages, PHP and JavaScript.

(Replaced by my “Learning Bitcoin and Other Cryptocurrencies” in 2017.) Description by lynda.com: “Understand the basics of bitcoin, the popular virtual currency, and then learn the nuances of bitcoin transactions and security issues that can be difficult to navigate on your own. Tom Geller addresses both the big and small issues swirling around bitcoin right now, and prepares you to use or accept bitcoin as a currency for your transactions. Discover how bitcoin compares to US dollars and other forms of money; how to send, receive, and “mine” it; and how to protect and track your bitcoin transactions. Tom will even show you how to connect with the Bitcoin development community, in case you’re interested in contributing to the spread of this modern cryptocurrency.”