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Use Time Machine, the built-in backup feature of your Mac, to automatically back up your personal data, including apps, music, photos, email, and documents. Having a backup allows you to recover files that were deleted, or that were lost because the hard disk (or SSD) in your Mac needed to be erased or replaced. Learn how to restore your Mac from a backup.
Configuring a PC to run OS X – or building a machine from the ground up to run OS X – doesn’t require an engineering degree, but it’s not for the faint of heart. A new $2 app for the iPhone 4S lets you use your phone to dictate to and control your Mac. When I tried “Play the song ‘Artificial Heart,’” Vocal reported that it “couldn’t find a. This is a well-known precursor to cardiovascular conditions like heart failure. Another team of scientists at Moorfields Eye Hospital in London, in collaboration with researchers at UCL (a subsidiary of Alphabet’s DeepMind), has found that AI-driven software can sift through 3D scans to pinpoint up to 50 common eye diseases as accurately as. In fact, a search for “OS X vs Windows” on Google will return enough results to make your head spin (read: 9,580,000). Try finding an unbiased comparison of the two in that mess, I dare you. There are so many cultural pretexts for this conflict, that I would need an entirely different article to illustrate them for you.
Create a Time Machine backup
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To create backups with Time Machine, all you need is an external storage device. After you connect the storage device and select it as your backup disk, Time Machine automatically makes hourly backups for the past 24 hours, daily backups for the past month, and weekly backups for all previous months. The oldest backups are deleted when your backup disk is full.
Connect an external storage device
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Connect one of the following external storage devices, sold separately. Learn more about backup disks that you can use with Time Machine.
- External drive connected to your Mac, such as a USB or Thunderbolt drive
- Network-attached storage (NAS) device that supports Time Machine over SMB
- Mac shared as a Time Machine backup destination
- AirPort Time Capsule, or external drive connected to an AirPort Time capsule or AirPort Extreme Base Station (802.11ac)
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Select your storage device as the backup disk
- Open Time Machine preferences from the Time Machine menu in the menu bar. Or choose Apple menu > System Preferences, then click Time Machine.
- Click Select Backup Disk.
Enjoy the convenience of automatic backups
After you select a backup disk, Time Machine immediately begins making periodic backups—automatically and without further action by you. The first backup may take a long time, but you can continue using your Mac while a backup is underway. Time Machine backs up only the files that changed since the previous backup, so future backups will be faster.
To start a backup manually, choose Back Up Now from the Time Machine menu in the menu bar. Use the same menu to check the status of a backup or skip a backup in progress.
Learn more
- Learn about other ways to back up and restore files.
- If you back up to multiple disks, you can press and hold the Option key, then choose Browse Other Backup Disks from the Time Machine menu.
- To exclude items from your backup, open Time Machine preferences, click Options, then click the add (+) button to add an item to be excluded. To stop excluding an item, such as an external hard drive, select the item and click the remove (–) button.
- If using Time Machine to back up to a network disk, you can verify those backups to make sure they're in good condition. Press and hold Option, then choose Verify Backups from the Time Machine menu.
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Scientists were able to find a way to put human urine and other waste products into good use. EcoBots can now use them as energy fuel to work.
Researchers from the Bristol Robotics Laboratory led by Peter Walters devised a mechanical tool which can pump urine into the heart of the environment-friendly and self-sustainable robot called 'EcoBot.' The device works more like the human heart, wherein the robot is able to gather waste products and convert them successfully to electricity.
'The artificial heartbeat is mechanically simpler than a conventional electric motor-driven pump by virtue of the fact that it employs artificial muscle fibres to create the pumping action, rather than an electric motor, which is by comparison a more complex mechanical assembly,' Walters said in a press release.
Previous to this, the same team has already created four models of the EcoBot. For a decade, these robots were structured to use microbial fuel cells which are used to generate electricity by digesting organic wastes and produce power.
Like the human heart, the new device works by contracting the pump to squeeze the urine out. The liquid then is applied with hot electric current allowing it to be channeled through to a certain high level for it to flow to the robot's various fuel cells.
Thereafter, the muscles cool down and return to its initial form, made possible by muscle-like alloys which could recall its original shape. The pump then begins to relax and allows it to draw another set of urine fuel to resume another round.
This new discovery is very significant since these EcoBots may be used for monitoring and maintenance in highly dangerous areas where there is extreme pollution and swarming predators. This is possible because little human intervention is required for their continuous functioning capacities.
'We speculate that in the future, urine-powered EcoBots could perform environmental monitoring tasks such as measuring temperature, humidity and air quality. A number of EcoBots could also function as a mobile, distributed sensor network,' said Walters.
Further studies of the research team will be concentrating on enhancing the efficacy of the pump and see how these may be used in future eco-friendly robots.
Their study was published in the Nov. 7 issue of the journal the Bioinspiration and Biomimetics.