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We are all familiar with just how fast light travels, but what about darkness? Is it slower, just as fast, or even faster than light? YouTube channel Vsauce discusses the speed of darkness and much more in today’s fascinating video.

about 20 days ago - by  |  3 Replies

Search engines are becoming ever-more integrated into mobile operating systems, but you can still change your default search engine on your smartphone or tablet. You don’t have to stick with the search engine the device manufacturer chose for you.

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Normally, the command prompt can be opened as a regular user to run commands that don’t require administrative rights. However, if you need to run a command that requires administrative rights, you must open the command prompt window as administrator.

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Downloading files from the PHP mirrors is annoying, because by default the redirector makes the name of the filename change to just “mirror.” So how do you fix this? Luckily wget has a simple argument that you can use to fix it — and it is useful for many scenarios.

about 21 days ago - by  |  4 Replies

When you upgrade your computer’s hardware, it is a given that you expect a boost in performance, but sometimes you get an unexpectedly significant increase beyond what you counted on. Today’s SuperUser Q&A post helps a confused, but happy gamer understand how he lucked out when he upgraded his computer’s memory.

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Think you know the answer? Click through to see if you're right!

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Google made 64-bit builds of Chrome available in the Dev and Canary channels during the early part of June, but as of this week, those 64-bit builds have graduated to the Beta channel. So if you were waiting for a more stable version to try, then now is the time to grab a copy of the new 64-bit build for your system!

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An “ATM skimmer” is a malicious device criminals attach to an ATM. When you use an ATM that’s been compromised in such a way, the skimmer will create a copy of your card and capture your PIN.

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Have you ever noticed that little blinking line at the end of whatever you are typing? Of course you have! But did you know that you can make the line darker if you want to? It also makes a fun prank setting to mess with your friends.

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Think you know the answer? Click through to see if you're right!

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