This is where dedicated volunteers have spent decades building and operating miniature trains that actual humans can ride, ...

In this new product review, Model Railroader Senior Editor Cody Grivno examines the Athearn Genesis HO scale EMD SD70M! This video provides a detailed review of the model, focusing on its history, ...

As we adjust our print schedule, launch a new website and rely on the U.S. Postal Service for delivery, please know these changes were not made lightly. They were made with our readers in mind — and ...

EAGLE PASS, Texas - Union Pacific last week began using international crews to handle interchange with Grupo Mexico's Ferromex at the Eagle Pass gateway, the No. 2 U.S.-Mexico rail border crossing.

0.5B, 4x3090. if you have 4 GPUs, you should set --num_processes=3. One GPU deploy vLLM as online inference engine, for faster GRPO sampling example: 4x4090, 3epochs, training time, ~1h20min ...

Soon battery-powered trains could be coming to a station near you. As the UK’s fleet of diesel engines approaches retirement, manufacturers are looking to replace them with environmentally-friendly ...

If you’re used to watching freight trains click by in Western Canada, a hydrogen fuel cell locomotive wouldn’t immediately stand out. It looks the same. It moves the same. It’s still steel wheels on ...

This repository is an official implementation of the paper MOTR: End-to-End Multiple-Object Tracking with TRansformer. TL; DR. MOTR is a fully end-to-end multiple-object tracking framework based on ...

The first thing everybody frets about with such systems (or with an old car overdue for a new timing belt) is what happens if the valves go out of sync and try to stay open when the piston is rising.

You have to keep reminding yourself while dusting switchbacks in the Austrian Alps with the new Porsche Cayman S that this is not your dream car. This is not the 911 Carrera, the car in the posters ...