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Strong electron interactions can drive metallic systems toward a variety of well-known symmetry-broken phases, but the instabilities of correlated metals with strong spin-orbit coupling have only recently begun to be explored.
“We have detected the existence of a fundamentally new state of matter that can be regarded as a quantum analog of a liquid crystal, There are numerous classes of such quantum liquid crystals that can, in principle, exist; therefore, our finding is likely the tip of an iceberg.” says Caltech assistant professor of physics David Hsieh, principal investigator on a new study describing the findings in the April 21 issue of Science.
Liquid crystals are materials that are between liquid and solid, they are consisted of molecules that flow around freely as if they were a liquid but are all oriented in the same direction, as in solid. An important feature of the liquid crystals that in addition to availability in the nature, they can be made artificially like those used in items that have display screens.
In 1999, the first quantum liquid crystal was discovered by Caltech’s Jim Eisenstein, the Frank J. Roshek Professor of Physics and Applied Physics. It was a two-dimensional which means that it was limited with a single plane inside the host material. In a quantum liquid crystal, electrons behave like the molecules in classical liquid crystals. They move around freely in a preferred direction of flow.
The behavior of the electrons in the newly discovered 3D-variant are possibly even stranger. The electrons do not only distinguish between x-, y- and z-axis, but they also have different magnetic characteristics depending along which axis they move back and forth.
According to the researchers, the 3D quantum liquid crystals could play a role in a field called spintronics, where the spin direction of electrons can be utilized to create more efficient computer chips. It may also help with some of the challenges of building a quantum computer, which seeks to take advantage of the quantum nature of particles to make even faster calculations.
“Rather than rely on serendipity to find topological superconductors, we may now have a route to rationally creating them using 3-D quantum liquid crystals” says Harter. “That is next on our agenda.”
A manufacturer and service provider for PCB prototyping, Beta LAYOUT has developed a 3D MID CAD program to speed up the prototyping and small-series manufacturing of 3D Mechatronic Interconnect Devices (MIDs). by Julien Happich @ edn-europe.com:
Circuit carriers of the three-dimensional circuit boards are produced at Beta LAYOUT using 3D printing. This eliminates the need for costly injection moulding dies, as commonly used in series production. After this, the MID components are processed on a special production line using laser direct structuring, and then assembled.
Layout software eases 3D prototype production – [Link]
Able to fit in the palm of your hand and provided with several changeable tips, the 3DSimo Mini allows you to 3D print using one of close to a dozen different materials as well as solder, burn, and cut foam.
“We created the 3DSimo Mini to be the ultimate creator’s tool,” says David Paskevic, CEO of 3DSimo. “It is more than a 3D printing pen. Immediate uses include extensions for burning, foam cutting, and soldering. In the future, we will incorporate additional functionality to the pen, such as drilling, making it a practical tool for creators of any skill set. The Mini is a tool that can be used for all creative projects.”
3D printing tool is all-in-one pen, precision solder, burner, and cutter – [Link]
M Rule @ crawlingrobotfortress.blogspot.com discuss about ways to optimize 3D rendering on ILI9341 LCD and Arduino:
Both optimizing ILI9341 LCD drivers and rendering basic wireframe meshes have been done before. XarkLabs provides an optimized fork of Adafruit’s library. Youtube user electrodacus has also implementd an optimize driver for the ILI9341 communicating over SPI.
Better 3D graphics on the Arduino – ILI9341 LCD – [Link]
kicad StepUp allows exporting kicad 3D board and comps in STEP AP214 .By easyw @ sourceforge.net:
kicad StepUp: a new approach to export kicad board and modules in STEP AP214 (with colors). With kicad StepUp, it is possible to work in kicad EDA with the same component model data available in the STEP AP214 3D format, and obtain a 3D STEP AP214 model of the pcb board and a complete board assembles with electronic modules, to be used for MCAD interchange. The accurate 3D visualization of components on board assembles in kicad 3dviewer, is maintained in the same accuracy and aspect in STEP AP214 format. The kicad StepUp script maintains the usual way to work with kicad, but improves the process to work in a collaborative way with mechanical designers bringing near ECAD and MCAD environments.
With its latest micro-mirror-based light-steering chip, Texas Instruments says, applications developers can innovate with more than 4 million micromirrors to enable high throughput digital imaging applications.
Presented as its highest speed and resolution chipset for 3D printing and lithography applications, TI’s DLP9000X digital micromirror device (DMD) and the DLPC910 controller, offers developers more than five times the speed at continuous streaming compared to the existing DLP9000 chipset.
The DLP9000X DMD delivers the highest streaming pixel speed in the TI DLP Products portfolio at over 60 gigabits per second.
Example application areas for the DLP9000X include 3D printing, direct imaging lithography, laser marking, LCD/OLED repair and computer-to-plate printers, as well as 3D machine vision and hyperspectral imaging.
Fastest, highest-resolution DLP chipset for 3D print/lithography – [Link]