Last update NASA on the hunt for space poop geniuses, 1 hour ago
Throwing a perfect strike in virtual bowling doesn't require your gaming system to precisely track the position and orientation of your swinging arm. But if you're operating a robotic forklift around a factory, manipulating ...
In today's digital world it can be challenging to prevent photos, videos and books from being illegally copied and distributed. A new light-based technique is making it more practical to create secure, invisible watermarks ...
Ultrashort bursts of electrons have several important applications in scientific imaging, but producing them has typically required a costly, power-hungry apparatus about the size of a car.
A new Rice University technique grabs images of chemical processes that happen faster than most laboratory cameras are able to capture them.
For the first time, an optical clock has traveled to space, surviving harsh rocket launch conditions and successfully operating under the microgravity that would be experienced on a satellite. This demonstration brings optical ...
A team of physicists from ITMO University, MIPT, and the University of Texas at Austin have developed an unconventional nanoantenna that scatters light in a particular direction depending on the intensity of incident radiation. ...
Smart windows get darker to filter out the sun's rays on bright days, and turn clear on cloudy days to let more light in. This feature can help control indoor temperatures and offers some privacy without resorting to aids ...
In an electron microscope, electrons are emitted by pointy metal tips, so they can be steered and controlled with high precision. Recently, such metal tips have also been used as high precision electron sources for generating ...
Invisible to the human eye, terahertz electromagnetic waves can "see through" everything from fog and clouds to wood and masonry—an attribute that holds great promise for astrophysics research, detecting concealed explosives ...
Scientists at the Tokyo Institute of Technology have developed a portable and wearable terahertz scanning device using arrays of carbon nanotubes for non-invasive inspection of three-dimensional objects without requiring ...
The research team led by Professor Hele Savin has developed a new light detector that can capture more than 96 percent of the photons covering visible, ultraviolet and infrared wavelengths.
As anyone with an interest in photography will know, to get features such as a powerful zoom, you usually need a big camera. The reason is that most cameras rely on refraction, whereby the light passing through lenses slows ...
Researchers at Meijo University and Nagoya University in Japan demonstrated a design of GaN-based vertical-cavity surface-emitting lasers (VCSELs) that provides good electrical conductivity and is readily grown. The findings ...
Working with physicists from the University of Rome, a team led by Professor Cordt Zollfrank from the Technical University of Munich (TUM) built the first controllable random laser based on cellulose paper in Straubing. The ...
A solution to a major challenge in using minimally invasive cryotherapy to target and kill cancer cells with freezing temperatures while protecting adjacent healthy tissues has been reported by a research team in Texas in ...
Welding is said to be more art than science. In part, this is a nod to the vital, skilled work that welders perform. It's also recognition of the fact that the physics of the process is really, really difficult to understand.
From Harry Potter's Cloak of Invisibility to the Romulan cloaking device that rendered their warship invisible in "Star Trek," the magic of invisibility was only the product of science fiction writers and dreamers.
Shining a light through opaque materials seems impossible. And yet, researchers at the Debye Institute for Nanomaterials Science (Utrecht University) and the University of Twente have managed to increase the transmission ...
Bringing opposing forces together in one place is as challenging as you would imagine it to be, but researchers in the field of optical science have done just that.
A new imaging technique developed by scientists at MIT, Harvard University, and Massachusetts General Hospital (MGH) aims to illuminate cellular structures in deep tissue and other dense and opaque materials. Their method ...
For scientists developing life-saving medicines, knowing how cells interact and communicate with one another is an important part of the puzzle. The problem is, being able to see those interactions through a microscope hasn't ...
By weaving some quantum wizardry, A*STAR researchers have achieved something that appears to be a contradiction in terms—using visible light to perform spectroscopy at infrared wavelengths. Even more mysterious is that ...
A*STAR scientists have developed a unique fast-pulsing fiber laser that has the widest wavelength output to date. This type of laser could replace several fixed-wavelength lasers and form the basis of compact devices useful ...
A major technological advance in the field of high-speed beam-scanning devices has increased the speed of 2-D and 3-D printing by up to 1000 times, according to researchers in Penn State's College of Engineering.
Once the preferred weapon of B-movie madmen and space-fiction heroes alike, the laser—a device that generates an intense beam of coherent electromagnetic radiation by stimulating the emission of photons from excited atoms ...
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Convertible video displays that offer both 2D and 3D imaging without the need of any eyewear offer greater convenience to users who would otherwise have to keep track of yet another accessory. Such autostereoscopic displays ...
It's a paradox that has long vexed researchers in the field of optics.
An electric current will not only heat a hybrid metamaterial, but will also trigger it to change state and fade into the background like a chameleon in what may be the proof-of-concept of the first controllable metamaterial ...
Optical microscopy experts at Colorado State University are once again pushing the envelope of biological imaging.
Glass fibres do everything from connecting us to the internet to enabling keyhole surgery by delivering light through medical devices such as endoscopes. But as versatile as today's fiber optics are, scientists around the ...
As humans, we sniff out different scents and aromas using chemical receptors in our noses. In technological gas detection, however, there are a whole host of other methods available. One such method is to use infrared lasers, ...
Mankind has long been peering into the depths of the sea. From finding fish to avoiding rocks, the ability to see as far as possible through turbid water has been important for thousands of years. More recently, scientists ...
Most lenses, objectives, eyeglass lenses, and lasers come with an anti-reflective coating. Unfortunately, this coating works optimally only within a narrow wavelength range. Scientists at the Max Planck Institute for Intelligent ...
(Phys.org)—A team of researchers with the Max-Planck-Institut für Quantenoptik has found a way to link previously demonstrated laser light-induced high-speed switching of an insulator between conducting states and high-frequency ...
For the first time, a team including scientists from the National Institute of Standards and Technology (NIST) have used neutron beams to create holograms of large solid objects, revealing details about their interiors in ...
As data demands continue to grow, scientists predict that it's only a matter of time before today's telecommunication networks reach capacity unless new technologies are developed for transporting data. A new technique could ...
Princess Leia, your Star Wars hologram moment may be redeemed.
A team of UCF researchers has produced the most efficient quantum cascade laser ever designed - and done it in a way that makes the lasers easier to manufacture.
The resolution of an optical system (like a telescope or a camera) is limited by the so-called Rayleigh criterion. An international team, led by Complutense University of Madrid, has broken this limit, showing that it is ...
Quantum physics is a field that appears to give scientists superpowers. Those who understand the world of extremely small or cold particles can perform amazing feats with them—including teleportation—that appear to bend ...
An elusive biological cycle in the eye - the daily disposal and regeneration of the end tips of photoreceptor cells - has been captured in images for the first time in a living human eye. Photoreceptors are light-sensitive ...
Engineers at Caltech have created the visual analogue of noise-canceling headphones—a camera system that can obtain images of objects obscured by murky media, such as fog or clouds, by canceling out the glare.
Researchers have designed a device that uses light to manipulate its mechanical properties. The device, which was fabricated using a plasmomechanical metamaterial, operates through a unique mechanism that couples its optical ...
When you've got to go, but you're out there in space, zipped up in a spacesuit, with no toilet in sight and a crew of other astronauts around, what do you do?
We all know that when it rains, plants grow. When it doesn't, they don't.
In science, sometimes the best discoveries come when you're exploring something else entirely. That's the case with recent findings from the National Institute of Standards and Technology (NIST), where a research team has ...
Graphene, a two-dimensional form of carbon in sheets just one atom in thick, has been the subject of widespread research, in large part because of its unique combination of strength, electrical conductivity, and chemical ...
Every year, trade winds over the Sahara Desert sweep up huge plumes of mineral dust, transporting hundreds of teragrams—enough to fill 10 million dump trucks—across North Africa and over the Atlantic Ocean. This dust ...
The claws of coconut crabs have the strongest pinching force of any crustacean, according to a study published November 23, 2016 in the open-access journal PLOS ONE by Shin-ichiro Oka from Okinawa Churashima Foundation, Japan, ...
People have a remarkable ability to remember and recall events from the past, even when those events didn't hold any particular importance at the time they occurred. Now, researchers reporting in the journal Current Biology ...
"Mood ring materials" could play an important role in minimizing and mitigating damage to the nation's failing infrastructure.
A groundbreaking study of the virosphere of the most populous animals - those without backbones such as insects, spiders and worms and that live around our houses - has uncovered 1445 viruses, revealing people have only scratched ...
Reporting this week (Wednesday Nov. 23) in the journal Nature an international team led by British Antarctic Survey (BAS) explains that present-day thinning and retreat of Pine Island Glacier, one of the largest and fastest ...
A naturally occurring predatory bacterium is able to work with the immune system to clear multi-drug resistant Shigella infections in zebrafish, according to a study published today in Current Biology.
Piezoelectric sensors measure changes in pressure, acceleration, temperature, strain or force and are used in a vast array of devices important to everyday life. However, these sensors often can be limited by the "white noise" ...
The government wants smartphone makers to lock out most apps when the phone is being used by someone driving a car.
Scientists at The Scripps Research Institute (TSRI) have developed a vaccine that blocks the pain-numbing effects of the opioid drugs oxycodone (oxy) and hydrocodone (hydro) in animal models. The vaccine also appears to decrease ...
In the age of WikiLeaks, Russian hacks and increased government surveillance, many computer users are feeling increasingly worried about how best to protect their personal information—even if they aren't guarding state ...
Researchers have revealed new atomic-scale details about pesky deposits that can stop or slow chemical reactions vital to fuel production and other processes. This disruption to reactions is known as deactivation or poisoning.
A study co-led by the University of East Anglia (UEA) has found that people with genes for high educational achievement tend to marry, and have children with, people with similar DNA.
The study, published as the cover article in BioMed Central's Avian Research, led by the Earlham Institute and the Museum of Vertebrate Zoology at the University of California, explores the phylogenetic relationship between ...
Scientists at the U.S. Department of Energy's Ames Laboratory are being credited with creating the first intermetallic double salt with platinum.
(Phys.org)—A team of researchers from France, the U.S. and Italy has found evidence from the Tohoku-Oki earthquake that sensors that measure changes in gravity might offer a way to warn people of impending disaster faster ...
A new analysis of subsistence data collected in three Arctic communities underscores the importance of social ties and sharing among households.
Despite what you might think, evolution rarely happens because something is good for a species. Instead, natural selection favours genetic variants that are good for the individuals that possess them. This leads to a much ...
(Phys.org)—A team of researchers with the Universities of Roehampton and Birmingham in the U.K. has found a unique way to measure the energy spent by tree-dwelling apes when faced with gaps in a jungle canopy. In their ...
Although recent election coverage may suggest otherwise, research shows that people are more likely to use positive words than negative words on the whole in their communications. Behavioral scientists have extensively documented ...
How can quantum information be stored as long as possible? An important step forward in the development of quantum memories has been achieved by a research team of TU Wien.
An enterprising researcher from The University of Manchester has developed a prototype tool that could help transform the lives of the blind and visually impaired.
It only takes a few seconds for an employee of one of the world's leading hacking companies to take a locked smartphone and pull the data from it.
Men and women don't communicate much differently from each other, at least when they get the same training and are working on the same type of written assignment. The findings come amid frequent studies that have discovered ...
Black light does more than make posters glow. Cornell researchers have developed a chemical tool to control inflammation that is activated by ultraviolet (UV) light.
Scientists at Washington University in St. Louis isolated an enzyme that controls the levels of two plant hormones simultaneously, linking the molecular pathways for growth and defense.
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