Posts By: Gary Rosenzweig

Night Shift is a new Sierra feature for recent Macs that shifts the colors on your screen to include less blue light. This can be useful for people using their Macs in the evening as more blue light may make it harder for some to get to sleep. Learn how to turn this feature on and off, and adjust it on your Mac.

A new feature in Numbers allows you to use live stock prices and other information in your spreadsheets. You can get the current price, volume, change and other data. You can also grab historical data.

Did you know that you can look at individual web pages in Activity Monitor? Only discovered this while exploring. This could be useful for web developers looking to see how much CPU or memory their sites are using. Or, for everyone else who suspects that some web pages use a lot of their Mac's resources.

Take a look at a new feature in Pages that lets you link to other parts of the document. These internal bookmarks can be individually defined, or easily added from titles and headings. When you export as a PDF, the links will work for the reader.

If you are part of a conversation in Messages that is a little too active, you can stop getting notifications from that conversation. On your Mac, tap the Details button at the top right in Messages with the conversation visible. It is a small i button in iOS. Then choose the Do Not Disturb option.

In iOS 10.3 for the iPhone and iPad Apple has changed where you look to view and update your Apple ID, iCloud and related settings. Now there is a large ID category at the very top of Settings that gives you access to everything. You should take time to familiarize yourself with these changes to the Settings app.

Find out how to create a ringtone on your iPhone using GarageBand and a music track from iTunes, or an audio file from iCloud Drive. You can import non-protected songs, edit them, and export them so they are available in Settings.

You can use GarageBand on your iPhone to create your own custom ringtones from music notes, loops, or audio recordings. Just share the resulting GarageBand project as a ringtone and the audio will be available in Settings to use.

Many people misuse the browser address bar by typing in the names of sites instead of complete URLs. In the address bar you can type a search term, domain name, or a full webpage address. But if you simply type in the name of a site, you will get search results instead of going to that site.

See how you can use Numbers to work with basic physics problems like orbital calculations. In this example a table is use to calculate the position of a satellite over time. A scatter chart is then used to show the position of the satellite and a line chart to show the altitude.

You can ask Siri in macOS Sierra about your Mac. Try “How much memory do you have?” to get your memory information, “How much hard drive space do you have?” to get available space, and “What processor do you have?” to get the speed. You can also ask “Which graphics processor do you have?”

If you ever come across video files that won't open in QuickTime Player, you can use the free VLC Player app to view them. This popular app has been around for a long time and can also be used to convert videos to a more standard format.

You probably know about Safari's Developer menu. But did you also know there is a second developer menu called the Debug menu?

You can use the Image Capture app to scan documents and pictures instead of any software that may have come with your scanner. This can extend the life of scanners with incompatible software and may give you more features.

It can take several steps to force a window on a Mac to cover the entire screen without using full screen mode. However, this one trick can get you there in a single step.

iMovie: Creating Videos On Your Mac is a complete course with more than 30 videos and 4 hours of instruction that will teach you how to use iMovie to edit your clips together into short films. You’ll learn how to use all of the tools in iMovie such as the precision editor, transitions, titles, backgrounds, overlays and much more.

It can be confusing to try to understand the difference between USB-A, USB-C and other port types and to differentiate that from USB-2, USB-3 and other USB versions. In this video Gary attempts to explain the demystify these terms. Also, learn how USB-C connectors on newer MacBooks are also Thunderbolt 3 ports.

Ever want to know how long it has been since your last shut down or restart? Run Terminal and issue the command: uptime.

If you use the iPhone's Do Not Disturb function, it can be important to let some people contact you even with Do Not Disturb turned on. Even if you are not using it, or only occasionally use it, you may want to set some contacts so they can contact you at any time in case of an emergency.

You can combine two different techniques in iMovie to create a mirror effect where the same clip is displayed as a mirror image on the left and right.