If you want to know about cool stuff going on in the optics field, check out the Advanced Imaging Lab, at the Hebrew University of Jerusalem. Now they’ve come up with a way to make Widefield Lensless Endoscopy via Speckle Correlations. In short, this means smaller devices and better quality images by using speckle correlations in multicore fibers.
Working with them gets you in a state of something in between astonishment and “… you sure this is really possible???”. Like that time in 2014, when they claimed they were able to recover images through scattering layers and around corners. Well, it happened to be so true, it was published in Nature Photonics.