Tiny 'Lego Brick'-Style Studs Make Solar Panels a Quarter More Efficient (image) Imperial College London Share Print E-Mail Caption Rows of aluminium studs help solar panels extract more energy from sunlight than those with flat surfaces. This picture shows a solar panel with rows of aluminium studs and large electrical connections. The studs have been enlarged here but would normally be so small that they are invisible to the naked eye. Credit Imperial College London / Nicholas Hylton Usage Restrictions with story as described 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.