Printing Planes enables designs that were known to be more efficient but were too costly with conventional manufacturing
Updated: 2011-07-31 18:45:16
skip to main skip to sidebar Pages Home Timeslide View Flipcard July 31, 2011 Printing Planes enables designs that were known to be more efficient but were too costly with conventional manufacturing Engineers at the University of Southampton have designed and flown the world’s first printed’ aircraft , which could revolutionise the economics of aircraft . design The SULSA Southampton University Laser Sintered Aircraft plane is an unmanned air vehicle UAV whose entire structure has been printed , including wings , integral control surfaces and access . hatches This is a followup to a an article a few days ago No fasteners were used and all equipment was attached using snap fit’ techniques so that the entire aircraft can be put together without tools in . minutes The electric-powered
skip to main skip to sidebar Pages Home Timeslide View Flipcard July 30, 2011 Reversible arithmetic logic unit The n-bit quantum adder Arxiv . Reversible Logic Arithmetic logic unit design proposal Quantum computer requires requires quantum arithmetic . The sophisticated design of a reversible arithmetic logic unit reversible ALU for quantum arithmetic has been investigated in this letter . We provide explicit construction of reversible ALU effecting basic arithmetic operations . By provided the corresponding control unit , the proposed reversible ALU can combine the classical arithmetic and logic operation in a reversible integrated system . This letter provides actual evidence to prove the possibility of the realization of reversible Programmable Logic Device RPLD using reversible . ALU
Filed under: Energy News
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Filed under: Energy News
Filed under: Energy News
Filed under: Energy News
skip to main skip to sidebar Pages Home Timeslide View Flipcard July 30, 2011 Carnival of Space 208 Carnival of Space 208 is up at ZME Science Weird warp The farthest and largest Amount of water has been found in a quasar in the form of . vapour The quasar is one of the most powerful objects in the universe with energy output of 1000 trillion suns . The power of the quasar comes from matter that spirals into the centre where there is a supermassive black hole 20 billion times the mass of our . sun Discovery News Radio astronomers have longed for a telescope with a full square kilometer of collecting . area That's 247 acres Now , as it comes closer to reality , they are trying to decide where to put it . The Square Kilometer Array SKA project is an international collaboration with the
Filed under: Energy News
Filed under: Energy News
skip to main skip to sidebar Pages Home Timeslide View Flipcard July 29, 2011 Nsolv has a solvent based approach to the oilsands that uses no water and 85 less energy N-Solv Corporation holds patents for proprietary technology for in situ solvent extraction of bitumen from oil . sands The process uses no water and 85 less energy than Steam Assisted Gravity Drainage SAGD They have been awarded with 10.5 million by the Canadian . government The N-Solv process is also expected to have lower operating and capital costs than SAGD with fewer restrictions on the reservoir conditions under which it can . operate Other members of the consortium are oil sands producer Suncor Energy Inc . and Hatch . Ltd In making the award , SDTC noted that Canada has some 170 billion barrels of recoverable crude
Filed under: Energy News
Filed under: Energy News
Filed under: Energy News
Filed under: Energy News
Filed under: Energy News
Filed under: Energy News
, skip to main skip to sidebar Pages Home Timeslide View Flipcard July 29, 2011 Safe births , safe cooking and universal vaccination would save over 10 million lives per year WHO estimates that better use of existing preventive measures could reduce the global burden of disease by as much as 70 Safe births , safe cooking and universal vaccination would save over 10 million lives per year . The means of delivering these three things are with very simple and cheap technology , processes and . education 1. Safe births can save 2.6 million lives per year . There are various non-profit , UN , Gates Foundation and other efforts targeted at this . goal Clean birth kits a razor blade to cut the umbilical cord and some other cheap supplies to prevent infection through the cord could save 950,000
Filed under: Energy News
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Filed under: Energy News
Filed under: Energy News
Filed under: Energy News
Filed under: Energy News
Curiosity is the biggest and most advanced rover ever built, designed to help answer an age-old question: Is there life on Mars?
We review some of the attempts to contain ultrahot plasmas and create tiny stars on earth.
, . Published by MIT English en Español auf Deutsch in Italiano 中文 in India Subscribe Login Search Home Computing Web Communications Energy Materials Biomedicine Business Magazine Technology Review July August 2011 Subscribe now The Measured Life Do you know how much REM sleep you got last night New types of devices that monitor activity , sleep , diet , and even mood could make us healthier and more . productive The Perfect Scam Stem-Cell Gamble Letters From the Editor Graphiti Notebooks Demo Hack To Market Q A Photo Essay Briefing Reviews From the Labs 51 Years Ago in TR Blogs Video Business Data Show Weaknesses , Strengths in U.S . Manufacturing Jobs and exports are weak , but productivity may be on the rise . Friday , July 29, 2011 By David Rotman Audio As a driving force in the U.S .
Development of WHDI Module capable of Wirelessly Transmitting Full-HD Video Signals without Compressing Data
"World’s First" Bearing with Embedded IC Tag
skip to main skip to sidebar Pages Home Timeslide View Flipcard July 28, 2011 An Unexpected Clue to Thermopower Efficiency An n-type semiconductor on top of a p-type semiconductor creates a vertical electric field E , green arrow while diffusion creates a depletion layer near the junction orange where the electric field is strongest . Heating one end of the device creates a heat gradient at right angles to the electric field del T , red arrow Electrons and holes moving in these fields are forced into loops of current , and a magnetic field is generated sideways” B , blue arrow at right angles to both electric and thermal . fields Berkeley Lab scientists and their colleagues have discovered a new relation among electric and magnetic fields and differences in temperature , which may lead to
skip to main skip to sidebar Pages Home Timeslide View Flipcard July 28, 2011 Besides saving energy a switch to LED lights can be used to enable gigabit per second Li-Fi that can be ten times cheaper than Wi-Fi Siemens researchers have improved on their own record for wireless data transfer using white LED light . back in 2010 In collaboration with the Heinrich Hertz Institute in Berlin , they have achieved a data transfer rate of up to 500 megabits per second Mbit s significantly bettering the previous record of 200 Mbit s . Wireless data transport by means of light paves the way for new applications in the home as well as in industry and transportation . The researchers used an Ostar LED , one of the brightest LEDs on the market , which can be modulated at such a frequency that data
skip to main skip to sidebar Pages Home Timeslide View Flipcard July 28, 2011 Trojan Asteroid Shares Earth Orbit around sun and Pluto has a fourth moon 1. Astronomers studying observations taken by NASA's Wide-field Infrared Survey Explorer WISE mission have discovered the first known Trojan asteroid orbiting the sun along with . Earth Trojans are asteroids that share an orbit with a planet near stable points in front of or behind the planet . Because they constantly lead or follow in the same orbit as the planet , they never can collide with it . In our solar system , Trojans also share orbits with Neptune , Mars and Jupiter . Two of Saturn's moons share orbits with Trojans . The asteroid is roughly 1,000 feet 300 meters in diameter . It has an unusual orbit that traces a complex motion
skip to main skip to sidebar Pages Home Timeslide View Flipcard July 28, 2011 Solar Portopotty A scientist from California Institute of Technology developed solar-powered portable toilets for a self-power wastewater treatment solution to some of the sanitation issues of some developing . countries Sunlight powers an electrochemical reaction with human waste in water that generates microbe-killing oxidants and releases hydrogen . gas Environmental scientist and engineer Michael Hoffmann believes that his Self-Contained , PV-Powered Domestic Toilet and Wastewater Treatment System” concept , will be beneficial for developing countries , especially in . Africa Mr . Hoffman received a 400,000 grant from the Bill Melinda Gates Foundation to build the project . The grant will be used to complete
The Wiz Folks at MIT have a new design to take heat and make electricity. Using a new nanofabrication technique, MIT’s researchers make plates of tungsten with billions of regularly spaced, uniform nanoscale holes on the surfaces. Using a further development of the thermophotovoltaic system, the new type of photonic crystal serves as a thermal [...]
Release of Higher Capacity and Higher Output “eneloop mobile boosters”
skip to main skip to sidebar Pages Home Timeslide View Flipcard July 28, 2011 More Efficient Sun-free photovoltaics Using new nanofabrication techniques , MIT researchers made these samples of tungsten with billions of regularly spaced , uniform nanoscale holes on their surfaces . In their TVP system , this type of photonic crystal serves as a thermal emitter , absorbing heat and then—because of its surface structure—radiating to the PV diode only those wavelengths that the diode can convert into electricity . The inset shows a digital photo of the full 1 cm-diameter sample , illuminated by white light . The color suggests the diffraction of white light into green as a result of the surface . pattern A new photovoltaic energy-conversion system developed at MIT can be powered solely by ,
skip to main skip to sidebar Pages Home Timeslide View Flipcard July 28, 2011 Carnival of Space 207 1. ZME Science Beautiful exoplanet aurorae 1000 times brighter than on Earth 2. Docmadhattan Brian May , astrophysicist : a little review of research activity of Queen's . guitarist In 1972 and 1973 two papers signed by Mr.May are be published : MgI Emission in the Night-Sky Spectrum and An Investigation of the Motion of Zodiacal Dust Particles Part I written with Mr.Hicks and Mr.Reay . May and collegues are interestend in zodiacal light , in particular in MgI spectrum , near the 5183.62 Å wavelength . The importance of this kind of studies is that the MgI and MgII formation is one feature in the interaction between atmosphere and star radiations 3. Ian Musgrave the Astroblogger ruminations
skip to main skip to sidebar Pages Home Timeslide View Flipcard July 28, 2011 Insect Virus Holds the Key to Safer Stem Cell Therapy and could enable genetic engineering to help cancer patients Genetically modified human embryonic stem cells hESCs and derived neurospheres . Using IBN’s BV-RMCE technique , a transgene EGFP was inserted into the AAVS1 locus on chromosome 19 in hESCs . Long-term expression of this gene was obtained in both hESCs and derived cell progenies . Cells derived from genetically modified hESCs can be used for transplantation in cell-based . therapy The future of regenerative medicine lies in harnessing the potential of the human body to renew and repair itself . Now , scientists at the Institute of Bioengineering and Nanotechnology IBN the world’s first bioengineering
: skip to main skip to sidebar Pages Home Timeslide View Flipcard July 27, 2011 Antimagnets : Controlling magnetic fields with superconductor-metamaterial hybrids Arxiv Antimagnets : Controlling magnetic fields with superconductor-metamaterial hybrids Magnetism is very important in science and technology , from magnetic recording to energy generation to trapping cold atoms . Physicists have managed to master magnetism to create and manipulate magnetic fields- almost at will . Surprisingly , there is at least one property which until now has been elusive : how to switch off' the magnetic interaction of a magnetic material with existing magnetic fields without modifying them . Here we introduce the antimagnet , a design to conceal the magnetic response of a given volume from its exterior ,
skip to main skip to sidebar Pages Home Timeslide View Flipcard July 27, 2011 Metamaterials for emitted blackbody radiation with efficiency beyond natural limits A designer metamaterial has shown it can engineer emitted blackbody radiation with an efficiency beyond the natural limits imposed by the material’s temperature , a team of researchers report in Physical Review Letters . Illustration shows design of the infrared metamaterial absorber . a Top view of a single band metamaterial absorber unit cell . b Schematic of a dual-band metamaterial absorber . c and d Perspective view for single and dual-band metamaterial absorbers . Credit : Physical Review Letters A designer metamaterial has shown it can engineer emitted blackbody radiation with an efficiency beyond the natural limits imposed
Achieving High-Speed Optical Communication based on New “Quantum Receiver” Technology
Scientists at the Fraunhofer Institute for Mechanics of Materials IWM in Freiburg and their partners in the RemBob project are working on coating plowshares with diamond-like carbon (DLC) to reduce friction. When it comes to moving earth, a significant amount of energy is used in food production, fuel production and construction. Less friction equals less [...]
Development of High-Current Power MOSFETs for Motor Drive In Consumer Electronics
Development of new Bookshelf Interface for Centralized e-Book Management
An award-winning University of Wisconsin-Madison team led by professor Rolf Reitz will showcase at the Wisconsin State Fair a student hybrid vehicle for advanced fuel technology that harnesses the advantages of both diesel and gasoline. The fuels are mixed in the combustion process. Now this is something serious to watch. The UW-Madison Hybrid Vehicle Team [...]
Development of High-Voltage Inverter Equipped with Water-Cooling System for Industrial Applications
Development of Large Flat Panel Sensors for Dental X-Ray Imaging by Hamamatsu
Industry’s Most Compact Proximity Sensor for Mobile Devices by Sharp
Previous attempts at making 3-D photonic crystals have resulted in devices that are only optically active, which means they can direct light but are not electronically active, so they can’t turn electricity to light or vice versa. It’s been a tantalizing problem. Getting to electric crystals could offer new or extremely efficient energy devices. University [...]
Researchers at Stanford are making transparent battery electrodes that could power future gadgets.
PhD student Tianbo Yu at Risø DTU in Denmark has discovered a new phenomenon that will make nanometals more useful in wider use while working at the Materials Research Division at Risø. Yu has taken the research a step further in discovering the new phenomenon. The new discovery could speed up the practical application of [...]
, Home Introduction Graphene used to harvest energy from water , to power microsensors Tweet Graphene applications Technical Research Researchers from the Rensselaer Polytechnic Institute developed a new way to harvest energy from flowing water using graphene . This could lead the way towards self-powered microsensors used for oil exploration . The team demonstrated the harvesting of 85 nanowatts of power from a sheet of graphene measuring 03 millimeters by 015 . millimeters It is the first research paper to result from the 1 million grant awarded in 2010 by the Advanced Energy Consortium via Rensselaer Polytechnic Institute Jul 19, 2011 Login register to post comments Tweet Similar entries Graphene can be used to to find underwater oil and gas Graphene water energy harvest photo
Home Introduction New research shows that hyrogen plays a crucial role in growing graphene grains Tweet Graphene production Technical Research Researchers from the US Department of Energy's Oak Ridge National Laboratory that graphene grains shape and size are controlled by hydrogen and not only by carbon . The team developed a method to grow graphene grains that has perfect hexagonal . shapes Up until now hyrogen was thought to play a passive role in the process of making graphene but the new research shows that it has a crucial . role via PhysOrg Jul 19, 2011 Login register to post comments Tweet Similar entries Graphene grains controlled by hyrdrogen Crystal grains in a graphene array photo A Graphene-based structure can be used to hold hydrogen Lasers could produce band gaps in graphene
TU Delft student of Sustainable Energy Technology Stefan Roest has developed a new type of hybrid solar collector with a higher efficiency and a longer lifespan than the hybrid panels on sale today. A hybrid solar panel combines a photovoltaic solar cell that converts sunlight into electricity with a thermal solar collector to harvest infrared [...]
Home Introduction Graphene can be used to make high-density lithium-sulfur car batteries Tweet Graphene applications Researchers from Stanford developed a new cathode material for rechargeable lithium-sulfur batteries by wrapping sulfur particles in graphene sheets . This new cathode enables batteries with a significantly higher energy density than is currently possible . Such batteries can be used to power electric . cars Current electric-car batteries weak spot' is the cathode materials that have low capacity about 150 mAh g for layer oxides and 170 mAh g for LiFe-PO4 A sulfur cathode has a theoretical specific capacity of 1672 mAh g but sulfur is a poor conductor , it expands during discharge , and the polysulfides dissolve in electrolyte . Using graphene to wrap the sulfur may overcome
Home Introduction Graphene-based speaker developed in Korea Tweet Graphene applications Graphene Oxide Researchers from Seoul's National University developed a transparent and lightweight speaker made from Graphene . This may enable speakers embedded in windows or displays . It may be especially suited to develop noise-cancelling . devices The graphene speaker was made by depositing graphene-oxide onto poly vinylidene fluoride or PVDF and then reducing it to create a graphene film this is actually a new method to develop graphene films So basically this speaker is made from PVDF sandwiched between two graphene electrodes . When an electrical current from the sound source is applied , the converse piezoelectric effect causes the PDVF film to distort and thus sound waves are . created The
Home Introduction Graphene based quantum dots may lead to cheap and efficient solar cells and OLED displays Tweet Graphene applications Technical Research Scientists from the National Physical Laboratory in New Delhi , India developed graphene based quantum dots GQDs blended with organic polymers that can be used in new photovoltaics solar cells . This may solve the problem of toxic metals cadmium and lead used in today's quantum dots , and the new material is also more stable then current organic . materials The GQDs are 9-nm in size have similar electronic properties to normal QDs , and actually perform better less current loss and improved efficiency because of graphene's high charge carrier mobility . This work could lead to light-weight , flexible and cheap panels used in large-area
Home Introduction Keeping graphene wet can avoid restacking into graphite Tweet Graphene applications Technical Research Ultracapacitors Stacking several separate layers of graphene is useful for several applications , such as supercapacitors . But stacked graphene forms a graphite-like mass , which makes it less useful . Researchers from Monash University in Australia discovered that keeping graphene wet can keep it from . stacking The team got their idea from examining Graphene Paper which is made by filter graphene suspended in water . The water acts as a spacer between the individual graphene . layers via NanoWerk Jul 04, 2011 Login register to post comments Tweet Similar entries Graphene paper a new strong and flexible material Graphene can be made to repel water very effectively