A Look at the Science

“Microwave Ovens Heat Water Differently Than Traditional Stovetop Heating, ” Hilton Says. “In a Microwave, the Water Molecules Are Excited by the Electromagnetic Waves That the Microwave Produces, Causing the Water to Heat Up. However, in Some Cases, the Water Can Become Overheated and Superheated Because It Lacks the Impurities and Imperfections That Would Normally Cause Bubbles to Form and Help the Water to Boil. ” Those Impurities or Imperfections Would Normally Help Break up Water’s Surface Tension. in a Microwave, However, the Surface Tension Can Suppress the Formation of Bubbles.

How to Prevent Superheated Water in the Microwave

It’s Better to Be Safe Than Sorry. If You Want to Continue Heating Your Water in the Microwave, Use This Simple Trick: Place a Wooden Chopstick in Your Mug of Water Before Heating. “This Will Help to Create the Necessary Surface Area for Bubbles to Form and Prevent Superheating, ” Says Hilton.

Is It Dangerous to Microwave Water?

By Robert Thorne

• Oct 9, 2026 • 3 min read

Direct Answer • Key Takeaway

For Some of Us, Heating a Cup of Water in the Microwave Is a Daily Occurrence. It Takes Less Time Than Heating a Pot of Water on the Stove, and the Cup of Tea or Instant Coffee That We Make with It Usually Turns out Just Fine. However, a Recent Viral Instagram Video Highlighted the Possible Dangers of This Practice: Microwaved Water Can Boil Rapidly — or Even Explode — If It Gets Too Hot.

Robert Thorne

Automotive & Future Transportation Editor

Robert Thorne covers electric vehicle innovations, autonomous driving systems, global mobility trends, and automotive engineering developments.

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