How to reduce PDF file size on a Mac computer with Preview 1. Open the PDF — if Preview isn't your default app, right click the PDF, then select Open with followed by Preview .

But they can do what they do faster than we could ever hope to do it. But given enough time you could do the math for, say, tomography or X-ray crystallography by hand. It was just be a lot of work.

ChatGPT and these plug-ins can help you search through, summarize, and search these files in seconds. To access plug-ins, start a new chat in the ChatGPT interface and select GPT-4, then Plug-Ins ...

It's a straight-forward process that can be done on your computer's photo-viewing app, and there's no need to use a third-party app or website. Here's how to do it on a Windows or Mac computer ...

What you say at work is as important as what you do on your work computer—here are the 11 things to never say at work. 2 / 17. Steven Puetzer/Getty Images. Store personal passwords.