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Please rate the show 5 Stars! Tonight, we climb aboard one of the most beautiful machines humans ever built: The Steam Locomotive.

But we aren't just watching the train go by...we are looking inside the belly of the beast. Join The Bedtime Scientist for a rhythmic journey into the engineering that changed the world.

In this episode, we discover the secret inside the coal: Ancient Sunlight. We learn how rocks that were once prehistoric forests hold the energy of millions of years, and how that energy wakes up a sleeping giant of iron and brass.

From the glowing firebox to the expansion of steam (1,600 times its size!) to the steady chuff-chuff-chuff of the pistons, this is a mechanical lullaby designed to rock you to sleep.

Inside this episode:

• The Firebox: Turning ancient rocks into heat.

• The Boiler: The magic of water turning into power.

• The Pistons: The iron muscles that push the wheels.

• The Rhythm: Why the "click-clack" of the track is the perfect sound for dreaming.

There are no conductors, no tickets, and no stories to follow...just the warm, heavy, hypnotic science of the Steam Train carrying you through the night.

Keywords: Steam Trains, How Trains Work, Engineering for Kids, Bedtime Stories for Kids, Sleep Aid, Science Podcast, Steam Engine, White Noise, Relaxation.