Abstract: In order to protect the privacy of images, sine functions can be used for the encryption of images. However, the operations for generating sine functions ...

The old knock on Seattle’s sartorial habits goes something like this: Can you believe people in this town wear Gore-Tex and hiking shoes to the opera?

Full disclosure. If you want a lathe capable of turning metal stock, you probably should just buy one. But what fun is that? You can do like [kachurovskiy] and build one with your 3D printer. If you ...