WASHINGTON — A symbol called a “mobius loop” or the “chasing arrows” is universally recognized as a sign to recycle. Many people assume that a product being stamped with that symbol means it can be ...
The “Ideas for Expo” column in The Spokesman-Review answered a question that readers 50 years later might also be asking: What does the Expo ’74 symbol mean? The answer: It’s a triangular Mobius strip ...
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