Question: A science communicator is designing an exhibit with two rotating gears. One gear completes a rotation every 12 seconds, and the other every 18 seconds. After how many

Tue, 05 May 2026 07:01:48 +0000

**The Science Behind Interlocking Gears: When Do Two Rotating Forces Align?** Ever watched two intricate gears turn in sync, each moving at its own steady pace? One completes a full spin every 12 seconds; the other every 18 seconds. The question arises: after how many seconds do they realign, repeating their motion in harmony? This seemingly simple puzzle reflects broader patterns in rhythm, timing, and predictability—key elements in interactive science exhibits. Curious about the math and mechanics behind this gear dance? Here’s a clear, engaging exploration. --- ### Why This Gear Question Is Sparking Interest Now