Math field trips don't have to be this elaborate, however. I emerged from the National Gallery with a sharper eye for intriguing details. On the gallery grounds, I came upon a massive rock inscribed with meandering trails. I couldn't help thinking about worms and knots as I studied this cryptic sentinel. Once you start looking, you quickly find that there's mathematics everywhere around you.
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He is the author of The Mathematical Tourist , Islands of Truth , Newton's Clock , Fatal Defect , and The Jungles of Randomness . For children ages 10 and up. All rights reserved. Cyber Space Day Subscribe to Science News . Copyright Clearance Center Browse a Science News photo collection.