Brick After Strength Testing (image) University of California - San Diego Share Print E-Mail Caption Researchers investigated the bricks' strengths and found that even without rebar, they are stronger than steel-reinforced concrete. Here is a sample after testing to the point of failure. Credit Jacobs School of Engineering/UC San Diego Usage Restrictions Please credit Jacobs School of Engineering/UC San Diego 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.