Sign up for Chalkbeat Philadelphia’s free newsletter to keep up with news on the city’s public school system. The secret to a perfect dirt bowl snack isn’t in ...

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December means Christmas in the doggy day room at Logan Correctional Center, Illinois’ largest state prison for women. On a recent visit, there were dogs dressed in holiday sweaters or reindeer ...

Abstract: this paper discusses a new methodology in integrating digital signatures into printed documents using QR code technology. The proposed system will allow users to securely sign documents by ...