Practical Engineering on MSNOpinion

What happens if you put tires on a train

At first glance it makes no sense - smooth steel wheels on smooth steel rails should slip like ice on ice. But rail friction ...
Trevor Bauer on MSN

I spent 2 hours on the world's oldest train!

What happens when you hop aboard the oldest train in the world for 2 hours? 🚂 From creaky wooden seats to the sound of steam ...