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Through decades of consolidation, reorganization, and divestiture, AT&T left a famously complicated corporate history. One of the greatest enterprises in American history, arguably the greatest enterprise, AT&T has often rivaled the federal government in the size of its budget an...

It has been an unfortunate turn in the software industry, one of many as of late, that gambling is once again one of its primary engines. With the rise of almost nationwide online sports betting, not to mention prediction markets, making odds on real-world events and extracting t...

The submarine is a surprisingly ancient technology—at least in its early, primitive forms. The idea is quite simple, that a well-enough-sealed boat ought to be able to submerge and resurface. It's the practicalities that make the whole thing difficult. It is generally considered ...

If you've done much with modern cellphones, you've probably noticed just how odd the architecture can be around audio. Specifically, I mean call audio: modern smartphones have made call audio less of a special case (mostly by just becoming more complicated in general), but in old...

Light: it's the radiation we can see. The communications potential of light is obvious, and indeed, many of the earliest forms of long-distance communication relied on it: signal fires, semaphore, heliographs. You could say that we still make extensive use of light for communicat...

Years ago, when I was in college, I had one of those friends who never quite had it together. You know the type; I'm talking lost a debit card and took three months to get a new one because of some sort of "mixup" with the credit union that I think consisted mostly of not calling...

I tend to focus on the origin of the computer within the military. Particularly in the early days of digital computing, the military was a key customer, and fundamental concepts of modern computing arose in universities and laboratories serving military contracts. Of course, the ...

In the United States, we are losing our fondness for cash. As in many other countries, cards and other types of electronic payments now dominate everyday commerce. To some, this is a loss. Cash represented a certain freedom from intermediation, a comforting simplicity that you ju...

The way I see it, few parts of American life are as quintessentially American as buying gas. We love our cars, we love our oil, and an industry about as old as automobiles themselves has developed a highly consistent, fully automated, and fairly user friendly system for filling t...

The front of the American grocery store contains a strange, liminal space: the transitional area between parking lot and checkstand, along the front exterior and interior of the building, that fills with oddball commodities. Ice is a fixture at nearly every store, filtered water ...