3D-printed Robohands are helping kids without fingers

People who have lost fingers can try to get robotic hands that cost tens of thousands of dollars. Or they can try to 3D-print their own hand.

That’s what Richard van As did after a woodworking accident in 2011 cost him four fingers. The South African carpenter decided to build his own fingers from hardware store parts but eventually turned to 3D printing.

Using a MakerBot Replicator 2 printer, he collaborated with Ivan Owen to create a prosthetic finger after much trial and error. They’ve since printed hands for four South African children who lack fingers.

The first was Liam, a 5-year-old boy withamniotic band syndrome, who was born without fingers on his right hand. At the request of his mother, Van As and Owen produced Robohand, a low-cost, 3D-printed prosthetic.

The Robohand works by a series of cables and bungee cords that are controlled by movements of the wrist and arm.

Check out this video of Liam using his Robohand, performing precise movements like picking up coins.

Aside from distributing the open-source files for Robohand on Thingiverse, the partners are now trying to raise $10,000 in an Indiegogo campaign so they can help more children for free.

The cash is needed to buy materials such as PLA plastic for the 3D printer and hardware to assemble the hands.

Source: CNET


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Open-source alternative for Coke!

Have you ever had a can of Coke and thought that it would taste better if it was open source? No? Well, some people have and they have created the world’s first “open source” cola. And it’s on version 1.1.3

Anybody can make the drink, modify and improve on it as they see fit, as long as the recipe is made public under the GNU General Public License. However, recipes are not copyrightable, so the legal basis for that premise is untested.

Originally released as a promotional tool to explain open source software, the drink became a success and the company that made it sold 150,000 cans, and the creators became better known for the cola than for the software they were trying to promote!


All That You Need To Know About Rooting

What is “Rooting?”

The Android phone that you have learned to love and enjoy is running an operating system that was designed for commercial and private use. Like most any operating system, several features have been disabled, either for future use or to prevent the casual user from causing permanent damage to the operating system. “Rooting” is the process in which the limitations are removed and full-access is allowed. Once rooted, the Android phone owner will have more control over many settings, features and performance of their phone. Basically, “rooting” means to get to the root of the operating system and to have the ability to make global changes. it is possible to ruin the performance of the phone, and/or brick the device altogether. So here are some reasons why it may, or may not be worth it to root and customize your phone. Keep in mind, be careful what software you flash, and make sure its the right software for your phone.



  1. Unlock Bootloader: First and foremost, with root access and an unlocked bootloader, you now have an infinite amount of customization options, from launchers, ROMs, themes to custom kernels.
  2. Freeing up memory: When you install an app on your phone, it is stored on the phone’s memory. “Rooting” allows you to move installed applications to your SD card, thus freeing up system memory for additional files or apps.
  3. Custom ROM’s-This is the most powerful feature of “rooted” phones. There are hundreds of custom ROM’s that can do anything from speeding up the processing speed of your phone to changing the entire look and feel of your phone. The software and hardware on custom ROMs are also usually better optimized, leading to more fluidity, which is always a plus. This is also due to the fact that custom ROMs get updated on a daily to weekly basis, compared to stock software.


  1. Rooting immediately voids your phone’s warranty: Once rooted, don’t try to take your phone to service center for warranty
  2. Rooting involves the risk of “bricking” your phone:  if the wrong software gets flashed there are chances that your phone gets brucked, a “bricked” phone is no better than carrying around a brick in your pocket. The phone is dead when it has been “bricked.”
  3. Poor performance: Though the intention of “rooting” a phone is to give the phone more performance, several users have found that, in their attempts to speed up the phone or add additional features, that their phones lost both performance speed and features. Remember that when you “root” your Android phone, you are making changes to the stock operating system.
  4. Viruses: Yes, even phones can get viruses. A common practice that people do with “rooted” phones is to flash their ROM’s with custom programs. Whenever you make changes to the code of a software, you run the risk of introducing a virus.


Rooting and customization isn’t for a lot of people, but I would suggest everyone try it at least once, its worth the experience to see what you can really do with an open source OS. It gives  you the option to do whatever you want with the software, because its open, and you can change it to suit your needs.

If you are not a techie guy then dont go for it- In my opinion as long as you’re cautious and obtain the knowledge needed to root, unlock and customize your specific device(s), then you should go give it a try! It’s really a mind blowing experience to realize what you can really do with the mini computer in your pocket.

NOTE: this articles does not motivate to root your phone. In case of any damage techieCode will not be held liable.