The steam engine is often credited as one of the most transformative inventions in human history. It laid the foundation for the Industrial Revolution, revolutionised transport, and shifted the ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...

For decades, steam engines powered the world’s ships. But in the 20th century, a quieter and more efficient technology began to take over — the diesel engine. Diesel power offered greater fuel ...