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, ...

Steam trains were one of the most powerful vehicles of their time, capable of pulling hundreds of cars in one go. Their sheer size, speed, and weight are mesmerizing to think about and captivating to ...

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 ...

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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 ...

Families with children, age 12 or younger, are invited to learn and create together at Naper Settlement’s new “Family STEM Nights.” This monthly program allows family and friends to participate in fun ...