Model Railroading

Two more railroad shows

Over the weekend I squeezed in two more model railroad shows. The Marlborough one was OK, but disappointing. The Roslindale one was definitely worth while. Both will repeat in future years, so if you’re interested in model railroads I recommend… Read More ›

Upcoming model railroad shows

Two upcoming model railroad shows: Tech Model Railroad Club, Saturday, November 18, at the MIT Museum, 265Massachusetts Avenue, Cambridge MA, Room N52–118, 2–5 and 7–10. Free! National Model Railroad Association HUB Division, New England Model Train Expo, Saturday-Sunday, December 2–3,… Read More ›

Miniature worlds

Check out the great photos at <>. I wish I could read the Russian text, but maybe Boris can help. Anyway, the question for me is why this collection resonates for me at several different levels. For one, the miniature… Read More ›

Back from the show

Just got back from the Amherst Railway Society’s annual model railroad show, which is held in…no, not Amherst…Springfield, MA. Barbara wasn’t interested in going, so Meredith accompanied me. Although she isn’t a model railroader, her interests in crafts and technology… Read More ›

Playing with Trains

Currently I’m halfway through reading Playing with Trains: A Passion Beyond Scale, a memoir by Sam Posey. There’s a certain irony to the title. The word “passion” is accurate, for this book is truly about Posey’s deep enthusiasm and passion… Read More ›


Dennis and I were talking about multiple representations. Multiple representations are one of the Big Ideas that wend their way through all our math courses. A table and a graph and a function machine and a mapping diagram are all… Read More ›