When an inventor has a unit of measurement named after him, it's clear his work had more than a small impact on scientific and industrial progress. So it was for James Watt, whose Watt engine is often ...

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, ...

Technology tends to have a way of becoming smaller as it evolves. The ever-convenient microchip and lithium-ion battery serve in tandem as the brains of so many devices today, and their sleek and ...

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, ...