Logitech Powered Review: Stylish Wireless iPhone Charging for a Premium

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Here’s When a Dark Theme Can Save Battery Power

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Dark themes are becoming more and more popular. On some devices, they can even save battery power. It all depends on what type of display your device have—only devices with OLED displays can reap the power-saving benefits. Devices With OLED Displays Only You’ve probably heard of OLED displays , especially if you’ve been on the market for a new TV in the last year or so. OLED screens differ from LCD and LED displays typically found in electronics in that OLEDs don’t have a backlight layer: each pixel is individually illuminated. This makes the display thinner, but the main draw is that black pixels don’t get lit up at all. The result is higher contrast in your favorite films, inky blacks throughout any interface, and battery savings when you’re using a dark theme on your laptop or cell phone. When a Dark Theme Can Save Battery Power on Your Laptop OLED laptops are starting to appear, with some newer models just announced at CES 2019 . There haven’t been any macOS or ChromeOS ...
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How to Sort Values in Microsoft Excel

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Excel has “Sort A to Z” and “Sort Z to A” features that let you sort values alphabetically or numerically, and a “Custom Sort” feature that lets you sort using multiple criteria.  Here’s how to use them. Let’s Look at an Example In this example, we have chosen nine chemical elements from the periodic table, and we will sort the data based on the cell contents using the “Sort A to Z” feature and the “Custom Sort” feature. The “Sort & Filter” drop-down is located on the far right of the “Home” tab. The drop-down has several features listed, but we are focusing on the first three. Here is our example data, taken from the periodic table. Each “Element” has information that is unique to it, such as its “Symbol” and “Atomic Number.”  But each element also belongs to other categories, such as its “Phase at STP” (i.e., whether it is a solid, liquid, or gas in a room at standard temperature and pressure) and its “Element Category” on the period table. Read the remaining 4...
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