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3D reconstruction of neuronal networks uncovers hidden organizational principles of sensory cortex

Most cortical circuitry interconnects neurons across cortical columns, rather than within
May 11, 2015

Credit: Max Planck Florida Institute for Neuroscience

An international research team has reconstructed anatomically realistic 3D models of cortical columns of the rat brain, providing unprecedented insight into how neurons in the elementary functional units of the sensory cortex called cortical columns are interconnected.

The models suggest that cortical circuitry interconnects most neurons across cortical columns, rather than within and that these “trans-columnar” networks are not uniformly structured: they are highly specialized and integrate… read more

3D sketching system ‘revolutionizes’ design interaction and collaboration

University of Montreal researchers present their Hyve-3D system at SIGGRAPH 2014 conference
August 12, 2014

hyve3d-3

University of Montreal researchers have developed a collaborative 3D sketching system called Hyve-3D (Hybrid Virtual Environment 3D), which they presented at the SIGGRAPH 2014 conference in Vancouver this week.

“Hyve-3D is a new interface for 3D content creation via embodied and collaborative 3D sketching,” said lead researcher Professor Tomás Dorta of the university’s School of Design.

“The system is a… read more

3D solar-cell towers deliver up to 20 times more power per base area

March 28, 2012

Photovoltaic Array

http://web.mit.edu/newsoffice/2012/three-dimensional-solar-energy-0327.html

MIT researchers are building cubes or towers that extend solar cells upward in three-dimensional configurations and show power output ranging from double to more than 20 times that of fixed flat panels with the same base area.

The biggest boosts in power were seen in the situations where improvements are most needed: in locations far from the equator, in winter months and on cloudier days.… read more

3D structure of HIV is ‘revealed’

January 25, 2006

The 3D structure of the HIV virus has been revealed for the first time, scientists say.

The variable size and shape of HIV has made it hard to map, the team said in the journal Structure. So the UK-German team took hundreds of images of viruses and used a computer program to combine them.

“Identifying how the virus grows will allow us to address the formation of this… read more

3D Systems partners with Singularity University to develop creative uses of 3D printing

October 24, 2012

ProJet HD3500 professional 3D printer (credit: 3D Systems)

3D printer leader 3D Systems announced today that it plans to provide Singularity University (SU) with several of its 3D printers.

“We are excited to be part of Singularity’s visionary initiative to democratize access to 3D content-to-print solutions that will enable greater entrepreneurialism and inventiveness,” said Abe Reichental, President and CEO of 3D Systems.

“SU has shown a great deal of foresight and leadership in… read more

3D Systems to unveil Cubify.com 3D design software at CES

January 8, 2012

Cubify

3D Systems Corporation plans to unveil at CES its Cubify.com 3D software for creating designs for 3D printing on mobile devices, tablets and Kinect.

The company will also showcase its new Cube 3D consumer printer and make available 3D collection libraries for it as downloads.

3D systems also plans an online print shop where users without the 3D printer can send their creations for… read more

3D Technology: Ready for the PC?

November 27, 2001

Technology advances such as accelerated graphics cards and graphics ports have driven PC hardware capabilities up and prices down, making 3D more accessible to consumers and furthering research on methods and algorithms.

Another key trends is overcoming network-bandwidth limitations by sending compressed content instead of full-resolution geometry.

3D graphics can be used to visualize objects and products prior to construction, model weather systems for meteorologists, study medical anomalies… read more

3D Virtual Reality Environment Developed at UC San Diego Helps Scientists Innovate

September 19, 2008

The virtual-reality StarCAVE at the University of California, San Diego allows groups of scientists to explore worlds as small as nanoparticles and as big as the cosmos, permitting new insights that could fuel discoveries in many fields.

Constructed by the California Institute for Telecommunications and Information Technology (Calit2), the room operates at a combined resolution of over 68 million pixels distributed over 15 rear-projected walls and two floor screens.… read more

3D without the glasses: introducing pCubee

March 31, 2010

3dwithoutthe

A device named pCubee gives you the experience of 3D without the need for the glasses.

Developed at the Human Communication Technologies Laboratory at the University of British Columbia, the pCubee consists of five LCD screens arranged as a cubic “fish tank” box that viewers can pick up, tilt, shake or turn to watch the 3D content or play games with virtual objects that seem to… read more

3D-bioprinting improved artificial blood vessels

The future: transplantable tissues customized to each patient's needs or be used outside the body to develop safe, effective drugs
June 11, 2014

Artificial blood vessels are created using hydrogel constructs that combine advances in 3-D bioprinting technology and biomaterials (credit: Khademhosseini Lab)

A Brigham and Women’s Hospital (BWH) team has created artificial blood vessels using a three-dimensional (3D) bioprinting technique.

The study is published online this month in Lab on a Chip.

“Engineers have made incredible strides in making complex artificial tissues such as those of the heart, liver and lungs,” said senior study author, Ali Khademhosseini, PhD, biomedical engineer, and director of the BWH Biomaterialsread more

3D-imaging brain tissue at 1 micron resolution

May 6, 2013

Image of the cerebral vascular system of a mouse obtained by 3D two-photon microscopy with addition of Lem-PHEA. (Credit: © B. van der Sanden and F. Appaix (Institut des Neurosciences de Grenoble))

A fluorescent dye that enables high-resolution (about 1 micron) 3D images of the cerebral vascular system has been synthesized by researchers at the Laboratoire de Chimie (CNRS) in France in collaboration with the Institut des Neurosciences (Université Joseph Fourier).

The “Lem-PHEA chromophore” dye fluoresces in the red-near infrared region biological transparency window using two-photon absorption and can pass through the skin. It features solubility in biological… read more

3D-printed aerogels enable new energy-storage and nanoelectronic devices

May 15, 2015

Lawrence Livermore researchers have made graphene aerogel microlattices with an engineered architecture via a 3D printing technique known as direct ink writing (credit: Ryan Chen/LLNL)

Lawrence Livermore National Laboratory researchers have made novel graphene aerogel microlattices with an engineered architecture, using a 3D printing technique known as “direct ink writing.” The research, which could lead to better energy storage, sensors, nanoelectronics, catalysis, and separations, is described in an open-access paper in the April 22 edition of the journal Nature Communications.

Lawrence Livermore National

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3D-printed ‘bionic’ ear melds electronics and biology

May 3, 2013

Scientists used 3-D printing to merge tissue and an antenna capable of receiving radio signals. Credit: Photo by Frank Wojciechowski

Scientists at Princeton University have used a 3D printer to create a functional ear that can “hear” radio frequencies up to microwave frequencies.

The researchers’ primary purpose was to explore an efficient and versatile means to merge electronics with tissue. The scientists used 3D printing of cells and nanoparticles, followed by cell culture to combine a small coil antenna with cartilage, creating what they term… read more

3D-printed circuit boards for solder-free printable electronics

May 7, 2012

solder_free_electronics

Given the schematic for a simple circuit, here’s how to make it a real circuit with the base components, some conductive thread, and a 3D printer — no solder, no etching chemicals, no sending away for anything, Instructables explains in a how-to tutorial.

“We are entering an age where physical goods increasingly have a digital representation (e.g., www.thingiverse.com) — and the means of production of such goods are… read more

3D-printed cyborg muscle produces artificial heartbeat

February 26, 2013

artificial heartbeat

You might expect a robot’s heartbeat to be a metallic ticking. But the pulsing in this video isn’t completely artificial: it’s powered by living material, New Scientist reports.

Created by Peter Walters from the University of the West of England in Bristol, UK, and colleagues, the pump uses the gas released by live yeast to generate pressure and distend a membrane, turning it into an… read more

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