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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


Use data loggers and DIY sensors to map temperatures where you live. Towns are hotter than countryside, parking lots are scorching compared to green fields — what else can you discover? Another great amateur science project from Forrest M. Mims III, who shows you how to build and mount simple... Read more »


They're everywhere — in car taillights, traffic signs, and reflective tape on clothing. Unlike an ordinary mirror, a retroreflector bounces an oncoming beam of light straight back to its source, no matter the angle. Read more »


No matter what you plan to make, invent, or discover, one of the best steps you can take is to keep a detailed record of your progress. Read more »


Why not hack the Atari Punk Console so that its tones can be controlled by light? Read more »

idea man

Today’s smartphones and tablets, laptop and desktop computers all trace their ancestry to the arrival of the hobby computer era of the 1970s. Read more »

Today’s amateur scientists have access to sophisticated components, instruments, computers, and software that could not even be imagined back in 1962 when I built my first computer. Read more »


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