I've been tuning in to a lot of information in new ways, lately. Chances are, you have, too. The pandemic has restructured all of our lives in ways we couldn’t have imagined just a year ago. From work to school to family, video chat and teleconference have replaced warm hugs and handshakes. There's no kibitzing around the water cooler.
Writing about additive manufacturing (AM) and the 3-D printing of gears is somewhat akin to publishing an updated dictionary. A new edition dictionary is literally already out of date before it hits Amazon's
or your local bookseller's shelves. New words are coined and definitions are updated constantly. So it is with AM: The technology is evolving so quickly that technical papers and other sources of AM information require constant revision.