For more than two centuries, the measurement of horsepower has been traced back to James Watt’s claims about draft horses, yet few questioned whether those numbers were accurate. In this experiment, ...

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, ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...

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 ...

When your steam engine build requires multiple microscopes, including those of the scanning electron variety, you know you’re building something really, really tiny. All of the usual tiny superlatives ...

With a new academic year on the horizon, and educators and librarians on the lookout for fresh classroom and library materials, we asked publishers to share their insights into the STEM/STEAM category ...