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Forrest M. Mims III

Forrest M. Mims III

Forrest M. Mims III (, an amateur scientist and Rolex Award winner, was named by Discover magazine as one of the “50 Best Brains in Science.” His books have sold more than 7 million copies.

Latest from Forrest M. Mims III


My DIY wearable gadget never sold — but it led to my first article, a kit company, and a career in electronics and science. Here's how a failure became a springboard to success. Read more »


On the 40th anniversary of the Altair 8800 microcomputer: 1975–2015. Though primitive by today’s standards, the Altair 8800 is widely credited with jump-starting the personal computer era. Read more »


There is no “Maker in Chief” in the U.S. Constitution, but at least one president, Thomas Jefferson, certainly deserves that title. Read more »


Detect motion and even individual footsteps with DIY sensors better than your smartphone’s. Read more »


Use cheap photoresistors, phototransistors, and photodiodes to make powerful sensors for your projects. Read more »

A Mars-Bot will include the drive and steering mechanisms of a conventional competition robot, plus a wireless video cam and various sensors.

A simulated space mission could leverage the popularity of robotics competitions to teach science. Read more »


Since an electromagnetic telephone receiver can double as a microphone, can a semiconductor light detector double as a light emitter? Read more »


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