3D Printing Advances: The Second (Post) Industrial Revolution Continues

3D Printing Advances

The Second (Post) Industrial Revolution Continues

 

CC 3D printer, "printing" an entire house - 

The fabrication technology is called Contour Crafting (CC) and it was developed by Dr. Behrokh Khoshnevis of the University of Southern California

2,500 Ft² House PRINTED in 20 Hours

By Alexander Light

The second industrial revolution is here, thanks to a relatively new invention: the 3D printer. This amazing technical achievement can be used in most of the fields one can think of, with unparalleled financial and time-saving advantages.

Recently, NASA used a 3D printer to make parts for a rocket engine, which performed just as expected. [1] They also plan to launch a 3D printer into space next year, in order to help astronauts manufacture spare parts on the ISS. [2] Yes, that's how cool a 3D printer is, and you haven't heard everything yet.

Thanks to a company named "Contour Crafting - Robotic Construction System" [3], the 3D printer can now be used to built entire houses on site, and it will take around 20 hours for a 2,500 square feet home.

According to the official website, "Contour Crafting technology has great potential for automating the construction of whole structures as well as sub-components. Using this process, a single house or a colony of houses, each with possibly a different design, may be automatically constructed in a single run, embedded in each house all the conduits for electrical, plumbing and air-conditioning."

Here is how this technology works:

I don't know how many people fully comprehend the implications of this technology. It's not only much better, faster and cheaper than today's "traditional" technology, but it also has the potential to liberate mankind from physical labor.

It is only a glimpse into the future, but we can imagine the rest.

Because machines are faster and better than humans at repetitive tasks and heavy industry, it is inevitable that sooner, rather than later, we will all be replaced by them. This doesn't mean that we should fear technology. By contrast, we should embrace it and allow ourselves to be liberated.

What about unemployment?

Unless we consider a viable alternative today, a huge percent of people will find themselves homeless and unemployed, in the near future. Luckily, there is a solution for all to study and take into account: "The Venus Project". [4]

TVP is the model for a futuristic society than can be achieved within 10 years, if we decide to accept the "upgrade". Because it is built around a Resource Based Economy, there will be no more financial institutions - hence no more elites, corruption, low quality products, wars, poverty, famine, etc.;

Giving the fact that we already have a viable transition plan towards a RBE, the only questions remaining is "how bad do we want it?". It is only up to us to make the transition. [5]

From Humans Are Free @ http://humansarefree.com/2013/11/2500-ft-house-printed-in-20-hours.html

A 3D Printed Spaceship On The Scale Of A Human Hair?

Hello Nanoscribe 3D Printer

3D printing has become one of the most exciting and talked about technologies of 2013. The ability for the masses to make almost any object not only fuels imagination but challenges modern consumerism and its supply chain. While some enthusiasts continue to showcase the technology by producing toys, cars, and even guns in their garage, others look to 3D printing to manufacture the next generation of electronics, whether for mobile applications, medical devices, or wearable computing.

Regardless of the application, the challenge in manufacturing at the submicron scale is fabricating structures in a precise, rapid, and consistent fashion. Even though 3D printing is just getting started, the race for the fastest, most capable printer is already on.

Last year, a group of researchers at the Vienna University of Technology in Austria refined a 3D printing technique that allowed the construction of sophisticated structures (an F1 racecar and a cathedral) smaller than dust mites in about 4 minutes. Now, a company called Nanoscribe GmbH that emerged from the Karlsruhe Institute of Technology in Germany has made a 3D printer called the Photonic Professional GT which can produce detailed structures on a similar scale but faster.

In fact, the technique was able to produce a spaceship (from the Wing Commander line of video games) from a CAD file that measures 125µm x 81µm x 26.8µm (on the order of the width of a human hair) in less than 50 seconds.

It really is an amazing feat that needs to be seen to be believed — remember: this video is in realtime!:

As if that the video isn’t awesome enough, this is not research phase production: it’s a commercially available printer, although you’d also need a scanning electron microscope (SEM) to actually see what you print.

For their fabrications, both Nanoscribe and the Austrian researchers utilize a two-photon lithographic printing technique using a laser and rotating mirrors. By directing the beam precisely, structures are built up layer by layer through polymerization. This fabrication method allows for highly precise structures to be formed with a resolution of 30nm with the right material, according to Technology Review.

Nanoscribe has developed this printer for applications in biotechnology, so many of the printed samples showcased are scaffolds for cells, as can be seen in the following gallery of SEM images of the printed structures.

Cell scaffold as artificial extracellular matrix:
 

Composite scaffold for cells fabricated in two steps (red square indicates the cubes generated in the second step):

Microscaffold or comb for cells:

Microneedles:
 
Microstent:

Additionally, Nanoscribe produced a miniaturized version of the Empire State Building to get a sense of scale with a familiar object:



3D printer manufactures are clearly on the warpath to push the technology as far as it can go before the resolution of light becomes a barrier and speed thresholds are reached. Yet, the capabilities of current machines is impressive as is.

The challenge now will be to develop those applications which can truly benefit with 3D printed microfabrication. Biotech and nanotech researchers around the world are certainly anxious to get printers in the lab and utilize them for novel experiments. What companies can equally utilize these printers for the development of commercial products remains to be seen.

Regardless, Nanoscribe demonstrates that we are closing in on a time when precise, complex engineering at the submicron level is commonplace, and that opens the door to an entirely new world at the bottom.

[images: Nanoscribe]


From Singularity Hub @ http://singularityhub.com/2013/03/17/a-3d-printed-spaceship-on-the-scale-of-a-human-hair-hello-nanoscribe-3d-printer/


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