Nvidia announced the latest in its Jetson Orin Nano AI computer line, the Jetson Orin Nano Super Developer Kit. Sort of like a Raspberry Pi but for powerful AI processing, the tiny $249 computer ...

The MR&T HO scale caboose kit is now available at Shop.Trains.com. The custom-decorated ScaleTrains model is available in three road numbers. Cody Grivno photos A Milwaukee, Racine & Troy ...

This illustration shows the height difference between codes 80, 55, and 40 rail used with N scale track. Code 55 is equivalent to 156 pound rail, reserved for the busiest main lines on the prototype.