Want to project holographic text and graphics over anything using your iPhone or iPad? Grab Holographium and your digital camera. Combining the two, you can create the appearance of 3D text and images by using the app and then dragging an iPad, iPhone, or iPod touch in front of a camera with a long exposure. The end result is a really cool 3D effect.

The developer explains how it works:
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You can mute the quack sound that your Mac makes when adjusting audio levels by adjusting a system preference setting. Yes, that means you can completely turn it off and stop the little quack / pop sound from happening anytime the volume changes. Here is what you will want to do in OS X:
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Update 2: LetterBox for Mac OS X 10.6.7 has been released and it resolves the latest incompatibilities. If you’d rather fix the plugin yourself, follow the instructions below but use these two UUID’s instead:

9049EF7D-5873-4F54-A447-51D722009310
1C58722D-AFBD-464E-81BB-0E05C108BE06

Thanks to Vincent for providing the UUID’s in the comments!

Update: A new version of Letterbox for Mac OS X 10.6.5 has been released.

Letterbox is a popular plugin for Mail.app that gives you a wide screen three-pane view in Mail, unfortunately the Mac OS X 10.6.5 update broke this plugin. If you don’t mind getting your hands a bit dirty in the Finder, you can fix the plugin to work in 10.6.5 by editing a file. We’ll walk you through it:

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For whatever reason, the Mac OS X 10.6.5 update did not include AirPrint shared printing support (meaning you can’t print from an iOS device to a shared Mac printer). But, you can unofficially enable AirPrint by downloading a few AirPrint files from 10.6.5 beta releases and then putting them in the appropriate location on your Mac.

Update: There is now a much easier way to make any printer AirPrint compatible for both Mac OS X and Windows.

This is a pretty straightforward process, but remember you are using software that was pulled from the release of 10.6.5, proceed at your own risk:
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ReBirth is a software synthesizer from the 1990’s that has been reborn with a vengeance for the iPad, and it looks absolutely awesome. ReBirth for iPad emulates a Roland TB-303 Bass synthesizer, and Roland TR-808 and 909 Drum Machines, which are the basically staples of music created in the last 30 years (80’s, techno, hip hop, electro, dance, pop, etc). It takes full advantage of multi-touch support and has some pretty amazing features, here is the description from the App Store:

“ReBirth faithfully emulates dance music’s three backbone devices: The Roland TB-303 Bass synth and the Roland TR-808 and 909 drum machines. Combine these with FX units, fully featured pattern sequencers and a gorgeous-looking interface and you’re ready to make killer tracks on your iPad. Share your music with friends on Facebook, Twitter and more using the built in sharing features.”

To really grasp how cool this iPad app is, I’d highly recommend watching the video below, it walks you through the app and shows you how easy it is to make loops and then full songs, which can then be exported as an MP3.

ReBirth for iPad costs $14.99 and is available now through the App Store.
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You can maximize the iTunes window to take up the fullscreen by holding down the Option button while you press the green button.

Without the Option key held down, the green button sends iTunes into mini-player mode. This mini-player mode is different from the album art mini-player though, which is new to iTunes 10.

Another alternative is to enter into Cover Flow fullscreen mode.

Time to fire up Software Update, Mac OS X 10.6.5 has been released for everyone to download. The download weighs in around 700 MB, you can get it through software update or follow the download links below.

Here are the 10.6.5 release notes from Apple:

The 10.6.5 Update is recommended for all users running Mac OS X Snow Leopard and includes general operating system fixes that enhance the stability, compatibility, and security of your Mac, including fixes that:

• improve reliability with Microsoft Exchange servers
• address performance of some image-processing operations in iPhoto and Aperture
• address stability and performance of graphics applications and games
• resolve a delay between print jobs
• address a printing issue for some HP printers connected to an AirPort Extreme
• resolve an issue when dragging contacts from Address Book to iCal
• address an issue where dragging an item from a stack causes the Dock to not automatically hide
• resolve an issue with Wikipedia information not displaying correctly in Dictionary
• improve performance of MainStage on certain Mac systems
• resolve spacing issues with OpenType fonts
• improve reliability with some Bluetooth braille displays
• resolve a VoiceOver issue when browsing some web sites with Safari 5

To download the Mac OS X 10.6.5 update, pull down “Software Update” from the Apple menu or follow the direct download links below.
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The Samsung Galaxy Tab is said to be the first legitimate competitor to the iPad, but you wouldn’t know it based on the absolutely scathing review that Gizmodo writes of the device. Calling the Tab a “wreck” and “mess” that isn’t fit for humans, they basically say that the device isn’t anything for the iPad to worry about (that is me putting it nicely):
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Update 12/1/2010: iOS 4.2 download has been released and you can now unlock and jailbreak the iPhone on iOS 4.2 by downloading redsn0w 0.9.6b5. This is either a tethered or untethered jailbreak depending on your iPhone.

With the release of iOS 4.2 imminent, the iPhone Dev Team has posted an update regarding the status of jailbreaking and unlocking the new version of iOS.

The message is this: if you want to unlock or jailbreak your iPhone you should avoid the iOS 4.2 update until the Dev Team has sorted through the release.

Here’s the takeaway from the Dev Team blog post:

• All devices on all iOS firmware can be jailbroken
• Jailbreakers should wait to update to iOS 4.2 until there are new releases of Cydia, PwnageTool, etc
• Unlocked iPhone owners should not update initially, stay where you are to preserve unlock
• NOT all iOS firmware on all devices are capable of being unlocked
• There are currently no unlocks for iPhone 4 with iOS 4.2, but it’s being worked on
• iPhone 3G and iPhone 3GS will have an unlock available first, but avoid the iOS 4.2 update initially until the Dev Team clears the release.

We do know that redsn0w is capable of jailbreaking iOS 4.2 if the 4.1 IPSW file is used, but unless you are committed to being on the bleeding edge, it’s best to wait for further instructions from the jailbreak community.

In the meantime, iPhone unlockers can save their SHSH blobs to be safe.

You can read the notes from the Dev Team here, scroll down to “Update 2” since it’s just an old post that has been edited.

Do you want to generate a random MAC address? That’s no problem with this neat openssl tip sent in by one of our readers, and you can run the command once or multiple times to generate a randomized MAC address instantly on each execution. This command will work to randomize MAC addresses in in Mac OS X, Linux, and just about anything else with openssl and sed installed.

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Time Machine is a very convenient backup solution for Mac users, but typically requires an external drive to backup to. If you’ve got a network with an extra Windows or Linux PC hanging around with tons of disk space, you can get Time Machine to backup to that computers excess disk space instead of an external drive hooked to your Mac.

The first thing you’ll need to do is enable Time Machine to back up to network drives and unsupported volumes with this defaults command in OS X. After that, if you want to actively back up to a networked Windows drive or Linux computer, you’ll need to mount the remote network volume and choose it as the Time Machine destination.

If you have never done those latter steps before, then our friends at lifehacker have a nice walkthrough detailing this process in full. If you follow the guide to finish, your Mac will automatically look for and mount a Windows or Linux shared drive and then back up to it using Time Machine. Check out the walkthrough on LifeHacker for more details.

This is a great tip for anyone with a few PC’s hanging around.

In case you missed last weeks RAM upgrade deal, here are more great prices for 8GB and 4GB kits. It looks like both of these deals expire on the 10th (tomorrow) so if you’re looking for cheap memory upgrades, this is a good time to buy.

8GB (2×4GB) Kingston Apple Kit for $119.95 with free shipping at Buy.com

The upgrade works for any Mac that allows 8GB of RAM of the following type: PC3-8500 DDR3 1066 MHz SDRAM. This includes the new Mac Mini, iMac, MacBook, and MacBook Pro 13″, MacBook Pro 15″, and MacBook Pro 17″ models.

Update: The price of the 8GB chip went up to $139, it may be cheaper to buy the same kit from Amazon.

If you’re on a machine with 2GB of RAM, you can also grab a great deal on a 4GB upgrade:

4GB (2×2GB) Kingston Apple Kit for $57.95 with free shipping at Buy.com

The 4GB upgrade is the same kind of RAM as the 8GB kit, and should work on the iMac, Mac Mini, MacBook, and MacBook Pro.

As always, make sure your Mac can accept the memory upgrades as well as the amount of RAM you’re buying. If you’re not sure if a RAM upgrade would benefit you, learn how to know if your Mac needs more memory.

Verizon is now airing an iPad commercial that features the device paired up with a Verizon MiFi mobile hotspot. The iPad offered through Verizon is not the 3G model, so you have to get a MiFi hotspot instead. Of course this has it’s advantages, considering you can hook up any other device to the MiFi hotspot as well. I don’t think the TV ad is quite as catchy as the Apple crafted iPad commercial with it’s funky song, but it’s a decent start.

You can watch the full commercial below:
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I know you’ve always thought to yourself, wouldn’t it be great if my Mac could see me songs? Or wouldn’t it be wonderful if I could make someone elses Mac sing songs? Well, you’re going to be thrilled to discover that, yes, your Mac can actually sing, thanks to the text-to-speech engine and the intonation of some of the built in voices bundled with Mac OS X.

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Every once in a while you’ll come across a song or video on the web that you just can’t find anywhere else. Maybe it’s a remix, maybe it’s an interview you want to listen to, whatever it is, you can easily convert that web video’s audio track to an MP3 file, which can then go onto your iPod or iPhone. Here’s how to convert any video to an mp3 file for free.

How to Convert Video to MP3

We’re going to download and use a free third party tool to accomplish the conversion.

• Download and launch Evom from here (it’s a free download)
• Allow Evom to download the necessary codec files so conversions can take place
• Once Evom is loaded, drag and drop the URL you want converted into the app
• Select “Save as audio only (mp3)

• Click on “Convert”
• Give Evom a few minutes to download the video and convert it to MP3

When Evom is finished, the newly converted mp3 file will appear in your iTunes playlist.

That’s really all there is to it, it’s very easy. You’ll probably want to edit the files info to make it properly appear within iTunes, by default the track title starts with the URL name. You can also just copy and paste songs into the the app to convert them, but I found a lot of videos were reported as ‘Not found’ when using copy and paste, so I would recommend dragging and dropping the URL into the app instead.

Bluetooth is great since it allows for anyone to wirelessly sync hardware together. It’s typically turned off by default in iOS, so you’ll want to turn it on first if you intend to use the Bluetooth connectivity options.

On the other hand, if you don’t use bluetooth on your iPhone or iPad there’s little reason to keep it turned on, because having it on and discoverable can needlessly reduce your iPhone battery life while it searches out for bluetooth devices that don’t exist or that you just don’t want to connect to at all. In that case, save your battery life and disable it when not in use.
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If you’re interested in iOS development or hacking, you should find this of particular interest. Key parts of the Greenpois0n jailbreak have been made open source under the GNU Public License by the iPhone Dev Team. This means that anyone can download, view, and modify the source code on their own. The released code is called ‘syringe’ and described as follows:

Syringe is the “Injector” module from GreenPois0n. It’s used for sending exploits to the device and booting the device out of recovery mode, and into a jailbroken state, whether to a ramdisk or to the main filesystem.

If you’re interested in poking around the Greenpois0n source, you can access it at github.

Greenpois0n is based on the same exploit used by the limera1n jailbreak.

Update: The update has been released, get the iOS 4.2 download now.

Late last week we heard that the public release of iOS 4.2 was waiting on enough third party applications to be accepted into the App Store, this was to insure that users have immediate access to apps that take advantage of new features in iOS 4.2. Since then, several apps have appeared on the iTunes App Store labeled as ‘iOS 4.2 compatibility’ or “iOS 4.2 ready”, further signifying that the iOS 4.2 release date is any day now. This would fit in line with the November 2010 timeframe that Apple set earlier in the year.

The iOS 4.2 update is hotly anticipated for a variety of new features, from AirPlay to printing, but perhaps most excited for the release are iPad owners, who will gain multitasking and folder support when iOS 4 comes to the device. While the rest of the public waits for a release, developers can get your hands on the iOS 4.2 GM build now. The 4.2 update is said to require iTunes 10.1 to install, and will work with the iPhone, iPad, and iPod touch.

With the release of iOS 4.2 imminent, some have shown surprise that the iOS 4.2 update did not arrive on time to prevent the iPhone Daylight Savings Time bug, which has gained a fair amount of attention over the last few weeks as iOS users alarm clocks go off an hour later than intended. iOS 4.2 is said to provide a permanent fix for that bug.