Researchers have long attempted to build a device capable of seeing people through walls. However, previous efforts to develop such a system have involved the use of expensive and bulky radar technology that uses a part of the electromagnetic spectrum only available to the military. Now a system being developed at the Massachusetts Institute of Technology can spot people in different rooms using low-cost Wi-Fi technology.
In secure communications, which can rely on quantum information contained in one of four wavelength phase states, wrong is worse than "I don't know." Researchers at NIST and the Joint Quantum Institute have built a single-photon detector that avoids this problem, making highly accurate measurements of incoming photons while knowing when not to give a conclusive answer.
The world's first space conversation experiment between a robot and humans is ready to be launched. Developers from the Kirobo project, named after "kibo" or hope in Japanese and "robot," gathered in Tokyo Wednesday to demonstrate the humanoid robot's ability to talk.
Imagine a swarm of tiny devices only a few hundred nanometers in size that can detect trace amounts of toxins in a water supply or the very earliest signs of cancer in the blood. Now imagine that these tiny sensors can reset themselves, allowing for repeated use over time inside a body of water—or a human body. In a recent Yale Univ. breakthrough, this has become a reality.
Researchers at Univ. of California, Santa Barbara, in collaboration with Univ. of Notre Dame, have recently demonstrated the highest reported drive current on a transistor made of a monolayer of tungsten diselenide (WSe2). The discovery is also the first demonstration of an "n-type" WSe2 field-effect-transistor, showing the potential of this material for future low-power and high-performance integrated circuits.
Researchers at Massachusetts Institute of Technology have proposed a new system that combines ferroelectric materials with graphene. The resulting hybrid technology could eventually lead to computer and data-storage chips that pack more components in a given area and are faster and less power hungry. The new system works by controlling waves called surface plasmons.
In the journal Nature, researchers at Massachusetts Institute of Technology’s Media Lab report a new approach to generating holograms that could lead to color holographic-video displays that are much cheaper to manufacture than today’s experimental, monochromatic displays. The same technique could also increase the resolution of conventional 2-D displays.
Eighteen months in the works, the top-secret project was announced Saturday in New Zealand, where up to 50 volunteer households are already beginning to receive the Internet briefly on their home computers via translucent helium balloons that sail by on the wind 12 miles above Earth. Google is launching these Internet-beaming antennas into the stratosphere aboard giant, jellyfish-shaped balloons.
In the near future, a buzz in your belt or a pulse from your jacket may give you instructions on how to navigate your surroundings. Think of it as tactile Morse code: vibrations from a wearable, GPS-linked device that tell you to turn right or left, or stop, depending on the pattern of pulses you feel.
Americans are accustomed to calling 9-1-1 to get help in an emergency. A research team lead by Ram Dantu of the University of North Texas sees the growth of cell phone and smartphone usage as an opportunity to improve 9-1-1 response. His team has designed several innovative smart phone apps that virtually place 9-1-1 operators at the scene of an emergency, allowing faster response.
The "electronic nose" sensor developed by a Univ. of California, Riverside engineering professor, and being commercialized by Innovation Economy Crowd (ieCrowd), will be further refined to detect deadly pathogens including toxic pesticides in the global food supply chain, according to a recently signed product development and distribution agreement.
To handle large amounts of data from detailed brain models, IBM, EPFL, and ETH Zürich are collaborating on a new hybrid memory strategy for supercomputers. They are exploring how to combine different types of memory—DRAM, which is standard for computer memory, and flash memory that is akin to USB sticks—for less expensive supercomputing performance to help advance the Human Brain Project.
Researchers have recently determined that cheetahs can run twice as fast as Olympian Usain Bolt on a straightaway. Then they measured the energy a cheetah muscle produces compared to body size and calculated the same for Bolt, the sprinter. They found the cheetah had four times the crucial kick power of the Olympian. That power to rapidly accelerate—not just speed alone—is the key to the cheetah's hunting success.
In findings that could help overcome a major technological hurdle in the road toward smaller and more powerful electronics, an international research team involving Univ. of Michigan engineering researchers, has shown the unique ways in which heat dissipates at the tiniest scales.
At this week’s International Image Sensor Workshop in Utah, Belgium’s imec and Holst Centre, in collaboration with Philips Research, will present a large-area fully-organic photodetector array fabricated on a flexible substrate. The imager is sensitive in the wavelength range suitable for x-ray imaging applications.
Using foam substrates, researchers in Switzerland have made a flexible electronic circuit board. In experiments using various deformable materials, the team discovered a new kind of platform upon which to build circuits: elastomeric foams. These foams, used in packaging materials, serve as a substrate for metallic materials and can be stretched without disrupting electrical conductivity. The breakthrough could progress on electronic skin.
New technology under development at Ohio State Univ. is paving the way for low-cost electronic devices that work in direct contact with living tissue inside the body. The first planned use of the technology is a sensor that will detect the very early stages of organ transplant rejection.
Ten years ago, scientists were convinced that a combination of manganese and gallium nitride could be a key material to create spintronics, the next generation of electronic devices that operate on properties found at the nanoscale. But researchers grew discouraged when experiments indicated that the two materials were as harmonious as oil and water. A new study suggests that scientists should take another look at this materials duo.
Engineers in California have developed new image processing techniques for rapid exploration and characterization of structural fires by small Segway-like robotic vehicles. Thermal data recorded by the robot’s small infrared camera is maps it onto a 3-D scene created by a pair of stereo cameras, producing a virtual reality picture that can be used by first responders as the robot navigates a building.
Researchers at NIST have reported the first observation of the spin Hall effect in a Bose-Einstein condensate, a cloud of ultracold atoms acting as a single quantum object. As one consequence, they made the atoms, which spin like a child's top, skew to one side or the other, by an amount dependent on the spin direction. The phenomenon is a step toward applications in "atomtronics".
Engineers at the University of Minnesota’s College of Science and Engineering have developed a new noninvasive system that allows people to control a flying robot using only their mind. The first-of-its-kind noninvasive system has the potential to help people with disabilities.
It's a gnawing frustration of modern office life. You're sitting quietly—too quietly—in an office or carrel, and suddenly the lights go off. The U.S. Dept. of Energy's National Renewable Energy Laboratory has developed and made available for license the Image Processing Occupancy Sensor, which combines an inexpensive camera and computer vision algorithms that can recognize the presence of human occupants.
A team of researchers, including members of the Univ. of Chicago, highlight the power of emerging quantum technologies in two recently published papers. These technologies exploit quantum mechanics, the physics that dominates the atomic world, to perform disparate tasks such as nanoscale temperature measurement and processing quantum information with lasers.
Researchers in Munich, Germany, have recently published work that describes experiments in which inexpensive semiconductor lasers have produced high-energy light pulses as short as 60 picoseconds without the drawbacks of previous approaches in terms of power consumption and device size. They say the new technique, based on the use of a new Fourier domain mode-locked laser, could open the door to subpicosecond pulses.
Tim Samaras, his son Paul, and colleague Carl Young died Friday night when an EF3 tornado with winds up to 165 mph turned on them near El Reno, Okla. Respected tornado researchers who used scientific equipment to help gather storm data, and shared their dramatic videos with television viewers and weather researchers, the three men died chasing a storm that killed 13 in Oklahoma City and its suburbs.