SAW scan of a subsurface void in aluminium. In this image(06) Save Image Image gallery: Is This Whats Hidden In Every Void Scan Science Explains
![Scanning Electron Microscopy image showing a void. [3] Download](https://www.researchgate.net/profile/Niharika-Garud/publication/279685064/figure/fig3/AS:623612390289408@1525692188468/Scanning-Electron-Microscopy-image-showing-a-void-3_Q320.jpg "Scanning Electron Microscopy image showing a void. [3] Download")
