Roger Allan is an electronics journalism veteran, and served as Electronic Design's Executive Editor for 15 of those years. He has covered just about every technology beat from semiconductors, ...

At the heart of Union Pacific Corp.’s railroad operations is an IBM mainframe-based transportation control system that’s been chugging along like a hardworking locomotive for nearly 40 years.

Mainframe computing is having a moment — again. Nearly 60 years after the first IBM System/360 debuted as a mainframe platform, it continues to evolve in ways that defy expectations, powering critical ...