Exploded Hard-boiled Egg (image) Acoustical Society of America Share Print E-Mail Caption If you have looked closely at a microwave's warnings or have experienced an accidental explosion, you know that certain foods pose a risk due to an increase in their internal pressure, and potatoes and hard-boiled eggs are among the most common culprits. Credit Shutterstock/montreep Usage Restrictions This image may be used only with appropriate credit. Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.