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Optical physics is the study of the fundamental properties of light and its interaction with matter. This includes classical optical phenomena such as reflection, refraction, diffraction and ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Kaitlyn Wells The reMarkable 2 has been discontinued. We're currently testing ...

OpenPDF is an open-source Java library for creating, editing, rendering, and encrypting PDF documents, as well as generating PDFs from HTML. It is licensed under the LGPL and MPL open source licenses.