April 2008

Products: Robotics, Automation & Control
Clutch/brake Module

Warner Electric’s Gen 2 electromagnetic clutch/brake modules feature several enhancements in performance and appearance, compared to the original C-Face design.

Efforts are underway to develop inexpensive, low-power electronic sensors, based on single-walled carbon nanotubes (SWCNTs), for measuring part-per-million and part-per-billion of...

An innovative method has been developed for acquiring fluid-level measurements. This method eliminates the need for the fluid-level sensor to have a physical...

Briefs: Mechanical & Fluid Systems
Tactile Robotic Topographical Mapping Without Force or Contact Sensors

A method of topographical mapping of a local solid surface within the range of motion of a robot arm is based on detection of contact between the surface and the end effector (the fixture or tool at the tip of the robot arm). The method was conceived to enable mapping of...

Briefs: Software
Simulating Operation of a Complex Sensor Network

Simulation Tool for ASCTA Microsensor Network Architecture (STAMiNA) ["ASCTA" denotes the Advanced Sensors Collaborative Technology Alliance.] is a computer program for evaluating conceptual sensor networks deployed over terrain to provide military situational awareness. This or a similar program...

Further improvements have recently been made in the development of the devices described in “Improved Ion-Channel Biosensors” (NPO-30710), NASA Tech Briefs, Vol. 28, No. 10...

Briefs: Electronics & Computers
Using Transponders on the Moon to Increase Accuracy of GPS

It has been proposed to place laser or radio transponders at suitably chosen locations on the Moon to increase the accuracy achievable using the Global Positioning System (GPS) or other satellite-based positioning system. The accuracy of GPS position measurements depends on the accuracy...

A digital control system based partly on an extremum-seeking control algorithm tracks the changing resonance frequency of a piezoelectric actuator or an electrically similar...

Briefs: Electronics & Computers
Coaxial Electric Heaters

Coaxial electric heaters have been conceived for use in highly sensitive instruments in which there are requirements for compact heaters but stray magnetic fields associated with heater electric currents would...

A proposed holographic memory system would be capable of storing data at unprecedentedly high density, and its data-transfer performance in both reading and writing would be...

A regio-regular poly (3-hexylthiophene) (RRP3HT) thin-film transistor having a split-gate architecture has been fabricated on a doped silicon/silicon nitride substrate and characterized....

A continuing effort to develop carbon- nanotube-based field emitters (cold cathodes) as high-current-density electron sources has yielded an optimized device...

An alternative to the conventional approach to synthesis of polyimides involves the use of single monomers that are amenable to photopolymerization. Heretofore, the synthesis of polyimides has involved...

A process for hydroxide-assisted bonding has been developed as a means of joining optical components made of ultra-low-expansion (ULE) glass, while maintaining sufficiently precise...

Briefs: Materials
Optimized Carbonate and Ester-Based Li-Ion Electrolytes

To maintain high conductivity in low temperatures, electrolyte co-solvents have been designed to have a high dielectric constant, low viscosity, adequate coordination behavior, and appropriate liquid ranges and salt solubilities. Electrolytes that contain ester-based co-solvents in large...

Briefs: Mechanical & Fluid Systems
Ultrasonic/Sonic Impacting Penetrators

Ultrasonic/sonic impacting penetrators (USIPs) are recent additions to the series of apparatuses based on ultrasonic/sonic drill corers (USDCs). A USIP enables a rod probe to penetrate packed soil or...

Briefs: Mechanical & Fluid Systems
Miniature, Lightweight, One-Time-Opening Valve

The figure depicts the main parts of a prototype miniature, lightweight, one-time- opening valve. Like some other miniature one-time-opening valves reported in previous issues of NASA Tech...

Briefs: Information Technology
Supplier Management System

Supplier Management System (SMS) allows for a consistent, agency-wide performance rating system for suppliers used by NASA. This version (2.0) combines separate databases into one central database that allows for the sharing of supplier data. Information extracted from the NBS/Oracle database can be used to generate...

Briefs: Information Technology
Improved CLARAty Functional-Layer/Decision-Layer Interface

Improved interface software for communication between the CLARAty Decision and Functional layers has been developed. [The Coupled Layer Architecture for Robotics Autonomy (CLARAty) was described in "Coupled-Layer Robotics Architecture for Autonomy" (NPO-21218), NASA Tech Briefs, Vol. 26,...

Briefs: Information Technology
JAVA Stereo Display Toolkit

This toolkit provides a common interface for displaying graphical user interface (GUI) components in stereo using either specialized stereo display hardware (e.g., liquid crystal shutter or polarized glasses) or anaglyph display (red/blue glasses) on standard workstation displays. An application using this toolkit...

Briefs: Physical Sciences
Remote-Sensing Time Series Analysis, a Vegetation Monitoring Tool

The Time Series Product Tool (TSPT) is software, developed in MATLAB®, which creates and displays high signal-to-noise Vegetation Indices imagery and other higher-level products derived from remotely sensed data. This tool enables automated, rapid, large-scale regional...

Briefs: Information Technology
PyPele Rewritten To Use MPI

A computer program known as "PyPele," originally written as a Python-language extension module of a C++ language program, has been rewritten in pure Python language. The original version of PyPele dispatches and coordinates parallel- processing tasks on cluster computers and provides a conceptual framework for...

Briefs: Physical Sciences
Data Assimilation Cycling for Weather Analysis

This software package runs the atmospheric model MM5 in data assimilation cycling mode to produce an optimized weather analysis, including the ability to insert or adjust a hurricane vortex. The program runs MM5 through a cycle of short forecasts every three hours where the vortex is adjusted to...

A method of promoting healing of injured or diseased neurons involves pharmacological activation of the STAT3 alpha protein. Usually, injured or diseased neurons heal incompletely or...

The hydrocyclone- filtration extractor (HFE), now undergoing development, is a simple, robust apparatus for processing large amounts of soil to extract trace amounts of...

Frequency-analyzed laser-light scattering (FALLS) is a relatively simple technique that can be used to measure principal characteristics of a sheet of sprayed liquid as it breaks up...

Articles: Manufacturing & Prototyping
Eye On Innovation
By Dr. Udo Ungeheuer
Chairman of the Board
of Management
SCHOTT
Mainz, Germany

Many people consider the printing press developed here in Mainz, Germany, near the headquarters of SCHOTT, the...

Dr. Steve Hipskind is an expert on climate change and the effects of global warming with over 20 years of experience in atmospheric research. He currently heads up NASA's Earth Science...

The thermographic imaging characteristics of an IR camera are largely determined by its detector assembly. Infrared radiation (IR) is focused onto the camera’s detector...

The figure depicts selected aspects of a six-degree-of-freedom (6-DOF) stage for mechanical adjustment of an optical component. The six degrees of freedom are translations along the Cartesian axes...

The votes are in and the winners of the 2007 Photonics Tech Briefs Readers’ Choice Product of the Year Awards have been selected. The three PTB Products of the Year will be...

Articles: Manufacturing & Prototyping
2007 NASA Tech Briefs "Create the Future" Design Contest

This year's sixth annual NASA Tech Briefs' "Create the Future" design contest, presented by SolidWorks Corp., recognized innovation in product design in six categories: Consumer Products, Safety & Security, Machinery & Equipment, Medical, Sustainable Technologies, and...

Cargo Management System Jeremy Connell
Blacksburg, VA

Standard truck beds lack the ability to secure loose items easily. The Cargo Management System...

DILAS (Tuscon, AZ) has introduced the first commercially available high-power diode laser arrays operating at 1940nm with wall plug efficiencies (WPE) of >10-percent.

Litroenergy™, a New Light Source Material Steve Stark
MPK Co.
Champlin, MN

A patent-pending light source material, Litroenergy™ contains self-luminous micro...

Products: Photonics/Optics
Pyroelectric Detectors

Spectrum Detector (Lake Oswego, OR) manufactures the LiTaO3 Pyro-electric Detector Hybrid for use in applications including energy measurement, power measurement, radiometry, spectral radiometry, and FTIR and IR Gas...

Products
Simscape™

The MathWorks, Natick, MA, has released Simscape™ software for modeling and simulating multidomain physical systems. Employing a physical network approach to model building, Simscape allows engineers to describe the physical...

Products: Photonics/Optics
Vibration Cancellation System

Technical Manufacturing Corporation (TMC) (Peabody, MA) offers Electro-Damp® PZT active inertial vibration cancellation system for use in microlithography, inspection, and metrology tools. Electro-Damp PZT is...

Products: Photonics/Optics
Power Converters

EMCO (Sutter Creek, CA) provides high voltage power supplies with high performance in miniature packages. Standard, off-the-shelf products range from ultra-miniature high voltage converters occupying 0.125 cubic inches to...

(Winner of an HP Workstation)

3D Ultrasonic Neuronavigation System for Image-Guided Brain Surgery Ajay Mahajan

Southern Illinois University...

Products: Photonics/Optics
Digital Potentiometer

The iC-HL from iC-Haus GmbH is a 1,024-step logarithmic precision potentiometer used to set the optical output power of laser diodes in conjunction with APC laser drivers. iC-HL’s logarithmic characteristic curve...

LED Cocoon Tent Stephen Boynton Orem, UT

Outdoor camping tents have used the zipper as the solution to opening and closing the tent since the zipper was...

Products: Photonics/Optics
Laser Interferometer Kit

4D Technology Corporation (Tuscon, AZ) offers the MiniFIZ from ADE Phase Shift laser interferometer upgrade kit. The kit extends the life and enhances functionality of MiniFIZ temporal phase shifting interferometers....

Personnel Beacon/Locator for Mine Workers Joseph Hollmann
Spectral Biopsy
Kansas City, MO

When trapped, miners are instructed to create noise by...

Products: Photonics/Optics
Optical Table

The vibration-damping Ultimate Performer 5300 Series Optical Table from Kinetic Systems (Boston, MA) has Maximum Dynamic Deflection Coefficients of ≤0.3 (10)-3 and an IRD-Maximum Relative Motion of 0.8...

Internally Radiating Impulse Structure (IRIS) Engine Corban Tillemann-Dick
Tendix LLC
Denver, CO

The vast majority of internal combustion engines we...

Products: Photonics/Optics
Supercontinuum Laser Source

Arctic Photonics and RPMC Lasers Inc. (O’Fallon, MO) offer the MQO-SC, a component level supercontinuum source. The MQO-SC is based on a hermetically sealed design with telecom grade packaging. Output is...

LEDTRICITY™ Ted Bristow
Creative Electric
Kailua Kona, HI

LEDTRICITY™ uses a combination of various electrical principles, unique wiring...

Products: Photonics/Optics
PXIT Modules

Agilent Technologies Inc. (Santa Clara, CA) offers PXIT modules for optical transceiver manufacturing. The modules have a combined bit error ratio tester (BERT) and digital communication analyzer (DCA). The flexible modular...

Articles: Manufacturing & Prototyping
Meet the Judges, "Create the Future" 2007 Design Contest
Products: Photonics/Optics
Waveguide Optics Design Suite

Optiwave Systems Inc. (Ottawa, ON) introduces the OptiBPM 9.0 waveguide optics design suite with integrated simulator dedicated for the design of electro-optic devices in arbitrary materials. The OptiBPM 9.0...

Articles: Manufacturing & Prototyping
Contest Sponsors, "Create the Future" 2007 Design Contest
Tech Needs: Aerospace
NASA Technology Needs: An Overview

M. N. Dastoor, Ph.D

Chief Technologist, Innovative Partnerships Program Office

NASA Headquarters, Washington, D. C.

The NASA Strategic Plan articulates a three-part Mission for the...

Application Briefs: Sensors/Data Acquisition
Rugged, Flight-Ready Data Storage Selected for NASA Aircraft Project
ToughDisk® 3500 SATA Rugged Hard Disk
Formation, Inc.
Moorestown, NJ
856-234-5020
www.formation.com

Formation’s ToughDisk® 3500 SATA Rugged...

Adept document management software
Synergis Software
Quakertown, PA
800-836-5440
www.synergis-adept.com

NASA Ames Research Center’s Unitary Plan Wind...

Techs for License
Unique DNA Signature Identifies Organism’s Species

Unique genetic markers called oligonucleotides can provide swift identification of a known organism or rule out an organism from known genomes. This software technology provides a way to generate thousands of such markers and provides a searchable database of chromosomal sequences for over 100...

Techs for License
Finger Seals Replace Brush or Labyrinth Seals

Finger seals are non-contact fluid seals similar in purpose to labyrinth or brush seals in that they act as a barrier between two areas of the same or different pressures, but allow a rotating shaft to penetrate through them from one side to the other. Applications include sealing rotating parts in...

Tech Needs
Home Exterior Building/Construction Products

A company is looking for innovative or improved PVCu/composite products, systems, and manufacturing technologies relating to home exterior building/construction products and systems. Products, systems, or technologies to improve energy efficiency, U-value, product performance/ lifetime, visual...

Tech Needs
Methods to Detect Minute Quantities of Acrylamide in Foods

A large global food company seeks a rapid, inexpensive, and reliable test that can detect even small levels of acrylamide in fried snack foods. What is desired is a rapid, simple, inexpensive method that could be performed essentially online in a fried snack plant by line operators or...

Linear motors and actuators are now cost-competitive with ball screws and belt drives and offer distinctly superior agility and bandwidth for advanced positioning applications. New...

Articles: Robotics, Automation & Control
Motion Control Components Lend Hand to Biomedical Applications

The worlds of biomedical and motion control are joining at the hip, with motors, controllers, actuators, and other motion control components becoming key elements in advanced...

Application Briefs: Motion Control
Universal Joint Carries Power in Surgical Device

Belden Inc., a manufacturer of universal joints, has developed a miniaturized universal joint for a surgical tool developed by Tuebingen Scientific Medical GmbH for minimally invasive surgical...

Application Briefs: Motion Control
Linear Rails Bear Weight of New X-Ray Table Apps

Arcoma, one of the world’s leading providers of automatic x-ray equipment, faced the challenge of redesigning one its flagship products, the Arcoma mobile imaging table, because new...

Application Briefs: Motion Control
Encoder Helps Track Molecular Level Movement

What good is a $100,000 ultra-precision inverted microscope if it can’t hold focus? That’s the problem facing researchers involved in an increasing number of genetic experiments.

Products: Robotics, Automation & Control
Brushless Motor Design Kit

Luminary Micro (Austin, TX) has introduced the Stellaris brushless DC motor control reference design kit, enabling designers without prior motor control experience to implement an advanced motor control system. The kit comprises a four-quadrant controller for three-phase brushless DC motors rated up to 36V, 500W, and...

Products: Robotics, Automation & Control
Bevel Gear Drives

The TDB254WR wide-wheel bevel gear drive from ABM Drives (Germany) incorporates special gearing to produce the industry’s tightest swing radius – just 7in. – for wide wheel capability with zero-offset drive. Designed...

Products: Robotics, Automation & Control
Load Cells

A family of industrial load cells from Stellar Technology (Amherst, NY) includes 20 models covering ranges from 5 lb to 1,000,000 lb. These cells are available in pancake, rod end, miniature, through-hole, load pin, beam, and...

Products: Robotics, Automation & Control
Linear Actuators and Amplifiers

Four new series of piezoelectric stacked actuators from Physik Instrumente L.P. (Auburn, MA) are equipped with the advanced PIC 255 PICA(TM) Power piezoceramic stacks. Designated the P-212, P-216, P-225, and...

Products: Robotics, Automation & Control
Absolute Encoder

The Acuro(TM) AD34 and AD35 absolute encoders from Dynapar (Gurnee, IL) utilizes the company’s proven OptoASIC engine for reliable absolute positioning and speed feedback up to 10,000 RPM. This high-speed capability,...

Products: Robotics, Automation & Control
PTFE Bearing Liner

A maintenance-free PTFE bearing liner from Aurora Bearing (Montgomery, IL) provides an alternative to fractured race and light series spherical bearings in hydraulic cylinders in both Metric and inch versions. They are...

Products: Robotics, Automation & Control
Single-Axis Motion Control

Maxon’s (Fall River, MA) Freedom Series motion control development tool is a motion control package offered with a choice of four brushless motor options sized from 16 to 40 mm in diameter and up to 1/16 hp. It...

Products: Robotics, Automation & Control
Linear Translation Stages

Linear translation stages from Edmund Optics (Barrington, NJ) are available with travel track distances as long as 24 in. The stages use rack-and-pinion positioning with accuracy of 0.01 in., and are designed to...

Products: Robotics, Automation & Control
Linear Actuated Sensor

BI Technologies’ (Fullerton, CA) 400 Series linear actuated sensor is offered with and without end bearings to suit the different grades of various applications. Redundant output is available, and stroke size ranges...

Products: Robotics, Automation & Control
Accelerometer

Dytran Instruments’ 3234A series IEPE accelerometer is available in three versions with varying sensitivities and range. Model 3234A1 is rated 10mV/g, Model 3234A2 is 100mV/g, and Model 3234A3 is 500mV/g.

Products: Robotics, Automation & Control
Industrial Joysticks

The J6 line of industrial joysticks from Elobou Sensor Technology (Lake Bluff, Ill.) is designed for heavy-duty use on vehicles and equipment including machinery, cranes, forklifts, and material handling devices. They...

Products: Robotics, Automation & Control
Microactuator

New Scale Technologies (Victor, NY) has added a smaller, lower-power module to its SQL-M line of SQUIGGLE(R) micro-actuators. The SQL-M-1.8 micro-actuator module measures 13.5 × 4.3 × 4.2 mm – 35 percent smaller than the...

Products: Robotics, Automation & Control
Mini Bearing

Igus Inc. (East Providence, RI) is offering a highly-resistant bearing with a wall thickness of just 3 mm. Part of the company’s line of igubal(R) spherical bearings, the bearing requires minimal installation space, is self...

Products: Robotics, Automation & Control
Motor Control Reference Platform

The R8C/25-based motor control reference platform from Renesas Technology (San Jose, CA) accelerates the design of brushless DC motor applications. The platform allows engineers to quickly bring the latest...

Products: Mechanical & Fluid Systems
Brushless DC Pump

Thomas Products Div. (Sheboygan, WI) has introduced a brushless DC WOB-L(R) air compressor and vacuum pump for medical and other applications requiring a small-size and lightweight pump with variable output. The 250 Series pump measures 4.25 x 4.54 x 3.02 in. and weighs only 1.9 lbs.

Products: Robotics, Automation & Control
High-Temp Bearing Materials

Metallized Carbon Corp. (Ossining, NY) has unveiled the Metcar Grade 2500 and Metcar Grade 9800 from its Resistox (TM) family of high temperature mechanical grades. Treated with a specially formulated oxidation...

Products: Robotics, Automation & Control
Linear Actuators

Haydon Switch & Instrument (Waterbury, CT) now offers its size 14 hybrid linear actuators with an integrated connector. Offered alone or with a harness assembly, this connector is RoHS compliant and features a positive latch...

Products: Robotics, Automation & Control
Precision Tensioning Brake

Placid Industries’ Hystereis brakes features the company’s patented Cog-Buster to automatically smooth braking torque. Frictionless torque is produced by internal magnetic fields rather than contact between...

Application Briefs: Photonics/Optics
Smoothing the Wave for High-Power Lasers

For years, laser manufacturers have promised the ability to produce very high-power, cost-effective lasers that are stable outside of a laboratory environment. Recent requirements in aerospace and...

Blog
Sensing Homemade Bombs

Scientists at the University of California at San Diego have developed a tiny, inexpensive sensor chip able to detect trace amounts of hydrogen peroxide, a chemical used in the most common form of homemade explosives. The scientists believe the sensor could have widespread applications in improving industrial...

Blog
Alzheimer's Risks

Researchers from Boston University School of Medicine (BUSM) have estimated that one in six women are at risk for developing Alzheimer’s disease in their lifetime, while the risk for men is one in ten. According to the researchers, the greater lifetime expectancy for women translates into a greater lifetime risk of...

Blog
Genome Software

Genomics analysis software developed by computer scientists at Stanford can go back 20 generations and identify what continent or broad global region an individual's ancestors were from. The HAPAA software compares an individual to all those in the International HapMap database – a genetic record of 270 individuals of...

Blog
NASA Briefs

"Generic Spacecraft" is a library of software developed by NASA's Jet Propulsion Laboratory (JPL) that provides for simulation of a generic spacecraft that can orbit the Earth and land on the Moon (and, eventually, on Mars). The generic-spacecraft simulation serves as a test bed for modeling spacecraft dynamics, propulsion, control...

Blog
Biomass Becomes Ethanol

Iowa State University researchers are integrating thermo-chemical and catalytic technologies to efficiently produce ethanol from plant biomass, overcoming problems with previous conversion techniques. The process would use high-temperature, fast pyrolysis to convert plant biomass into a bio-oil, which in turn would be...

Blog
Dental Fillings and Mercury

Mercury within dental fillings is not by itself harmful, but when exposed to sulfate- reducing bacteria, the element undergoes a chemical change that turns it into a potent, ingestible neurotoxin. Researchers at the University of Illinois at Chicago and at Urbana-Champaign have found that mercury particles entering...

Blog
Algae Alternative

Scientists at U.S. Department of Energy's Argonne National Laboratory are working to chemically manipulate algae for production of the next generation of renewable fuels - hydrogen gas. Some varieties of algae contain an enzyme called hydrogenase that can create small amounts of hydrogen gas. Many believe this is used by nature...

Blog
Cyclic Jitters

Electronic commands passed from machine to machine over data networks increasingly drive today's precisely timed and sequenced manufacturing production lines. However, timing irregularities in the signals from even one machine can result in havoc for manufacturing processes on the plant floor. The timing glitches, called cyclic...

Supplements
Comsol News - 2008

COMSOL Multiphysics

Ten Years of Unlimited Simulation Capabilities!

In 1998 COMSOL Multiphysics® made its debut as the first commercial environment to enable scientists, engineers, and researchers to solve any system of coupled physics phenomena in the same simulation. Ever since, users have leveraged the...
Blog
Nanowire-Based Display

Engineers at Purdue, Northwestern University, and the University of Southern California have created an active-matrix display using a new class of thin, transparent transistors and circuits. The transistors incorporate nanowires, tiny cylindrical structures assembled on glass or films of flexible plastic that are as thin...

Blog
Current Attractions

Although global warming has become a hotbed issue in recent years, the problem has been under investigation for at least 20 to 30 years, according to Dr. Steve Hipskind, Chief of NASA's Earth Science Division, Ames Research Center, Moffett Field, CA. Hipskind's group has focused on atmospheric and biospheric science research,...

Blog
Green Decontamination

Research by two Queen's University scientists, Stan Brown and Alexei Neverov, has resulted in a new method for rapidly and safely destroying toxic agents such as chemical weapons and pesticides. Testing by an independent European defense corporation has shown the researchers' method to be over 99 percent effective when used...

Blog
Water Pipes

With funding from the U.S. Environmental Protection Agency and the National Science Foundation, Virginia Tech researchers are working to create the prototype of a national internet-based geospatial database of underground water pipes. The objective of the water infrastructure research is to improve the decision-making process as it...

Blog
Sensing Hurricanes

The traditional method to detect a hurricane's strength has been to fly airplanes through the most intense winds into the eye of the storm, carrying out wind-speed measurements as they go. But that approach requires specialized planes priced at $100 million each, with a single flight costing $50,000. Nicholas Makris, associate...

Blog
3-D Camera

Stanford University researchers, led by electrical engineering Professor Abbas El Gamal, are developing a camera built around a multi-aperture image sensor whose pixels measure 0.7 microns, several times smaller than pixels in standard digital cameras. The pixels are arranged in arrays of 256 pixels each, with a tiny lens atop each...

Blog
Popcorn-Ball

Dye-sensitized solar cells are more flexible, easier to manufacture, and cheaper than existing solar technologies. Current lab prototypes are about half as efficient as the silicon-based cells used in rooftop panels and calculators. By using a popcorn-ball design - tiny kernels clumped into much larger porous spheres - researchers...

Blog
Measuring Stored Anthrax

Researchers from the National Institute of Standards and Technology (NIST) and the U.S. Army Dugway (Utah) Proving Ground have developed reliable methods, based on DNA analysis, to assess the concentration and viability of anthrax spores after prolonged storage. Because traditional methods to extract DNA from Bacillus...

Blog
Monitoring HIV/AIDS Patients

For HIV/AIDS patients, a skipped pill could mean the difference between health and hazard for the entire population. A breath monitoring device developed by scientists at the University of Florida and Xhale Inc. could help prevent the emergence of drug-resistant strains of HIV, by monitoring medication adherence in...

Blog
Nature Vs. Nurture

North Carolina State University geneticists have shown that environmental factors play a large role in whether certain genes are turned on or off. By studying gene expression of white blood cells in 46 Moroccan Amazighs, including desert nomads, mountain agrarians and coastal urban dwellers, the NC State researchers and...

Blog
Stem Cell Breakthrough

Dutch researchers at University Medical Center Utrecht and the Hubrecht Institute have succeeded in growing large numbers of stem cells from adult human hearts into new heart muscle cells. The stem cells are derived from material left over from open-heart operations. Until now, it was necessary to use embryonic stem cells...

Question of the Week
Would You Use a ‘SwingBot?’

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