New 3D printer aims to make bioprinting more accessible with uses that range from personalised drugs to human spare parts.
Category: 3D printing – Page 38
But in recent years the government has signaled its intent to open up the sector to private players and last year passed a series of reforms designed to foster innovation and encourage new start ups. Earlier this month Prime Minister Narendra Modi also launched the Indian Space Association, an industry body designed to foster collaboration between public and private players.
One of the companies that has been quick to pounce on these new opportunities is Agnikul, which is being incubated at the Indian Institute of Technology Madras in Chennai. This February, the company successfully test fired its 3D-printed Agnilet rocket engine, just four years after its founding.
While other private space companies like Relativity Space and Rocket Lab also use 3D printing to build their rockets, Agnikul is the first to print an entire rocket engine as a single piece. IEEE Spectrum spoke to co-founder and chief operating officer Moin SPM to find out why the company thinks this gives them an edge in the burgeoning “launch on-demand” market for small satellites. The conversation has been edited for length and clarity.
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Progress has an accelerating rate of change due to the compounding effect of these technologies, in which they will enable countless more from 3D printing, autonomous vehicles, blockchain, batteries, remote surgeries, virtual and augmented reality, robotics – the list can go on and on.
These devices in turn will lead to mass changes in society from energy generation, monetary systems, space colonization and much more! All these topics and then some will be covered in videos of their own in the future.
In this video we will be discussing automation, which is often confused with being the ‘technological revolution’ in it of itself as it is what the mainstream focuses on, and for good reason, as how we handle automation will determine the trajectory or collective future takes.
Known formally as additive manufacturing, or AM, in the business, the process can make almost anything—even a car.
“For our OEMs, we were able to show a print rate 50% faster than they needed for value production and an assembly rate about 35% faster than they need for full-volume production,” Kevin said. “We have a dozen programs for multi component structures,” said Kevin. “Our first production programs are going to be in vehicles on the road in early 2022. And these are with brands that are within groups that are in the top five global automotive groups by annual volume.”
So, just to review, it’s: computer-designed parts, 3D printers making those parts, which are assembled by robots, in a much smaller space than typical assembly lines.
So no more River Rouge. The Czingers say that carmakers could replace assembly lines that had been a mile long with assembly stations like the one I saw, greatly reducing the lead time, cost, and complexity of car making. And you can switch the car model that you’re building with every new assembly. No more downtime during model-year changeover. And all those spare parts carmakers have to keep in warehouses for 10 years? They will be replaced by instant 3D printing of whatever spare part you need.
AI paints a Picasso nude, just like Pablo did.
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3D printers are useful devices for all kinds of reasons, but most have a critical weakness: they simply take a long time to actually make anything. That’s because additive manufacturing generally works by putting down an object one microscopic layer at a time. But a new holographic printing technique makes it possible to create the entire thing at once — in as little as a second or two.
Light-based 3D printing techniques generally use lasers to cause a layer of resin to harden in a pattern, but like extrusion printers, they have to do it layer by layer. If the laser shined all the way through the liquid resin, it would cause a big line of it to cure.
But what if you shined multiple weaker lasers through the resin, none of which was powerful enough to cure it except when they all intersected? That’s the technique developed by a team led by researchers at Lawrence Livermore National Laboratory.
Leveraging 3D printing to make the meat appear more appetizing.
A biotech startup in China recently showcased its lab-grown pork and is aiming for cost-parity with conventionally sourced pork by 2,025 Reuters reported.
Amidst growing concerns of emissions resulting from meat production, countries are looking for protein alternates that can feed their population while also being eco-friendly. Plant-based meats have been around for a while but need further development to stand in as replacements to animal meats. Cultured or lab-grown meats are sourced from animal cells and show a high resemblance to conventional meat but lack production at scale and are expensive to manufacture, making it difficult for consumers to switch. 3D printing to make the meat appear more appetizing.
The volatile nature of space rocket engines means that many early prototypes end up embedded in dirt banks or decorating the tops of any trees that are unfortunate enough to neighbor testing sites. Unintended explosions are in fact so common that rocket scientists have come up with a euphemism for when it happens: rapid unscheduled disassembly, or RUD for short.
Every time a rocket engine blows up, the source of the failure needs to be found so that it can be fixed. A new and improved engine is then designed, manufactured, shipped to the test site and fired, and the cycle begins again — until the only disassembly taking place is of the slow, scheduled kind. Perfecting rocket engines in this way is one of the main sources of developmental delays in what is a rapidly expanding space industry.
Today, 3D printing technology, using heat-resistant metal alloys, is revolutionizing trial-and-error rocket development. Whole structures that would have previously required hundreds of distinct components can now be printed in a matter of days. This means you can expect to see many more rockets blowing into tiny pieces in the coming years, but the parts they’re actually made of are set to become larger and fewer as the private sector space race intensifies.
What do you think Chris Smedley.
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Even though it’s now possible to 3D-print foods into millimeter-precise shapes and forms, cooking those printed foods is still a fairly inexact process. Scientists are trying to change that, by using lasers to cook foods to specific optimized standards.
Led by PhD student Jonathan Blutinger, a team at Columbia University started by pureeing raw chicken then extruding it through the nozzle of a 3D food printer, creating samples measuring 3 mm thick by about one square inch (645 sq mm) in area. They then precisely heated that chicken via pulses of either blue or near-infrared laser light, at wavelengths of 445 nanometers for the former and either 980 nanometers or 10.6 micrometers for the latter.
The laser moved across the meat in various trochoidal spiral patterns, with cooking times ranging from five to 14 minutes. An infrared camera continuously measured the surface temperature of the chicken, while eight embedded thermistors monitored its internal temperature.