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 ...

Sometimes, looking back at history helps us understand what is happening to us today. When the steam engine arrived in factories, it wasn’t just a technical innovation, it changed the world. Suddenly, ...

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, ...