Softpedia
 

NEWS CATEGORIES:



NEWS ARCHIVE >>
SOFTPEDIA REVIEWS >>
MEET THE EDITORS >>
Home > News > Tags > light

Stories about: light


More: << previous 50 | next 50 >>

Transgenic Mice Can 'Smell' Light

A team of investigators at the Harvard University is trying to get a deeper insight into the neurological basis of olfaction, and they created a special breed of mice to do so. The transgenic (genetically-altered) rodents can essentially “smell” light. The team of neurobiologists that conducted the invest...

18 October 2010
04:09 GMT

New Type of Microscopy Around the Corner

Conducting science has become a lot easier since investigators learned to use instruments to aid their senses, and the microscope was undoubtedly one of the greatest inventions ever. Now, experts are seeking to innovate it.The work is being conducted by a team of researchers at the University of Freiburg Department o...

12 October 2010
09:39 GMT

Roughness Makes Solar Cells More Efficient

Until now, experts have placed a lot of emphasis on producing solar cells that are as smooth as possible, but a recent investigation suggests they may have been on a wild goose chase all along. Investigators from the Stanford University have shown in a new set of experiments that roughening silicon wafers up a bit re...

28 September 2010
07:46 GMT

Controlling Muscles with Light Now Possible

Using animal models, researchers have been able to demonstrate for the first time that shining millisecond-long pulses of light on nerve cells can produce movement. The investigation, which was conducted on unsuspecting mice, relied on the use of a tiny LED device, and also on employing the help of a special type of ...

27 September 2010
04:43 GMT

Ultraviolet Radiation Key to Water in Space

While following up on some previous discoveries, a team of astronomers determined that water molecules in space can be produced simply in the presence of ultraviolet light.The group was investigating findings made some time ago, when a massive cloud of water vapors, heated at high temperatures, was discovered around ...

2 September 2010
08:43 GMT

Algae Growth Can Be Accelerated with Light

Researchers at the Syracuse University show in a new research that promoting the acceleration of algae growth is possible through the use of light particles called photons.The group says that the method relies on using a very special type of light-manipulation technique, that is derived from nanotechnology.From ...

25 August 2010
08:31 GMT

New Type of Chlorophyll Discovered

A novel type of the important plant pigment chlorophyll has been recently identified. The finding could lead to the development of new methods to produce biofuels more efficiently. Until now, the chemical was known to be sensitive to only a certain portion of the electromagnetic spectrum, but the new discovery extend...

20 August 2010
07:01 GMT

Cheap Smart Windows Available Soon

Windows that allow light and heat levels adjusting are already available but Soladigm, the producing company, aims at making these "electrochromic" windows a lot cheaper and thus more affordable for home and office buildings use.Having a large scale utilization of this type of windows is a good way of reducing heatin...

13 August 2010
09:45 GMT

A Bad Mix: Green Lasers and Infrared Light

Even the most inexpensive green lasers may be more harmful to the eyes and one's health than initially calculated, say experts who looked at how much infrared light the devices emit. Generally, a ball point pen-sized green laser device can be bought from anywhere in the United States for about $15. Manufacturers...

12 August 2010
08:56 GMT

New Finding Now Allows the Use of Metamaterials in Optics

Metamaterials are a very special class of materials that are engineered specifically for a certain job. Though they are basically common chemical elements, or mixes thereof, their internal structures are arranged differently than they are in nature. As such, metamaterials can be used for a variety of applications for...

5 August 2010
05:10 GMT

Massive Innovation Achieved in Nanofabrication Technologies

A group of investigators from the Northwestern University, in the United States, has recently developed a new nanoscale fabrication technique, that could mean for the industry what the desktop printer meant for printing and information transfer. The method, called beam-pen lithography (BPL), uses about 15,000 tiny be...

2 August 2010
03:33 GMT

Light Controls New High-Tech Membrane

Light-controlled membranes represent a concept that is so advanced it hasn't even made its way into science-fiction literature. Nevertheless, they are now a reality, thanks to a study conducted by investigators at the University of Rochester. The group managed to create membranes which allow or prevent gas from ...

2 August 2010
03:19 GMT

New Theory to Replace the Big Bang Model

An associate professor at the National Tsing Hua University in Taiwan has recently proposed a new model of explaining the Universe, one that may be more suited for the job than the current Big Bang theory. According to expert Wun-Yi Shu, mass, time, and length, some of the most basic aspects of the Cosmos, can be con...

31 July 2010
05:57 GMT

Enzyme Repairs Sunlight Damage on DNA

For many years, researchers have known that humans lack the ability to heal damage in their DNA caused by overexposure to the ultraviolet (UV) wavelengths in sunlight. Most animals and some plants pose this ability, but we apparently don't have the enzymes needed for the job. In a recent series of scientific inv...

26 July 2010
04:31 GMT

New Method for Detecting Exoplanets in the Work

One of the things plaguing the field of exoplanetary research today is the fact that data collected about planets orbiting other stars are not very clear-cut. That is to say, of the hundreds of bodies thus far discovered, only a handful have been observed directly, and had their properties measured accurately. Genera...

24 July 2010
06:23 GMT

Michigan Tech Professor Builds Invisibility Cloak

For many years, science-fiction and fantasy writers have been inspired by the idea of making something or someone disappear from view. Be it a cloak, a potion, a spell or a ring, plot lines always feature a device that can render things invisible, hiding them from danger, or allowing them to slip by unnoticed. But, f...

22 July 2010
06:09 GMT

Sunglasses Are 'Sunscreen' for the Eyes

Many people know that, during the summer time, using sunscreen is a great way of taking care of their skin. Sunlight also contains ultraviolet (UV) radiation in addition to visible light, and this component of the electromagnetic spectrum can cause mutations, and boost the number of skin cancer cases. But, while the ...

15 June 2010
03:30 GMT

Brief Light Flashes Improve Nighttime Alertness

According to new research presented today at the 24th annual meeting of the Associated Professional Sleep Societies LLC (SLEEP 2010), it would appear that exposing people to intense, very short flashes of light does wonder to improve their nighttime alertness. The work, presented in San Antonia, Texas, highlights the...

7 June 2010
07:03 GMT

Light Can Now Control Protein Movements In Vivo

Dysfunctional cell behaviors are the reason behind a multitude of diseases, including cancer. In order for researchers to be able to devise advanced treatments against these conditions, they first need to understand the basis of how cells grow and move. The problem is that this line of research is notoriously difficu...

17 May 2010
11:08 GMT

Black Holes Should Be Surrounded by Light

One of the main things black holes are known for is, erm, being black. They are not colorless per se, they just do not allow light to bounce of them, and therefore determine a color. All materials that absorb photons are generally considered to be black, but now astronomers say that the supermassive behemoths at the ...

14 May 2010
10:46 GMT

First Sub-Wavelength Laser that Operates at Room Temperature

A group of investigators at the University of California in San Diego (UCSD), led by the head of the Ultrafast and Nanoscale Optics Group, Yeshaiahu Fainman, announced recently the development of the smallest sub-wavelength laser ever. In addition to this mark, the team also broke a new record, as they produced the f...

6 May 2010
06:47 GMT

CPRE Calls for Reduced Light Pollution

As all people living in large cities know, light pollution is everywhere in the developed world. Neon signs, street lights and various other sources produce sufficient amounts of light to obscure the night sky. In some of the world's most widespread metropolises, such as New York, the stars are rarely visible, a...

15 April 2010
05:00 GMT

Family of Light-Activated Ion Channels Found

A group of scientists has recently discovered one of the first naturally-occurring, light-activate ion channels in the human body. Finding these channels is extremely important for medicine, biosciences and biotechnology, as they could allow for the development of treatments for a wide array of conditions. Neuroscien...

7 April 2010
03:46 GMT

Noises Used to Amplify Light Signals

In a groundbreaking finding with significant implications for a wide array of research fields, engineers at the Princeton University managed to develop a new method of amplifying and clarifying signals carried by light using noise. The concept refers to the portion of the signal that usually gets distorted during tra...

2 April 2010
05:27 GMT

The Origins of Galactic Magnetic Fields Identified

For a long time, astronomers have wondered how is it that galaxies get to be so heavily magnetized. These space structures feature strong magnetic fields that play a huge role in the way they are set up, organized, and so on. Following a new series of investigations, experts now believe they may have finally found ou...

2 April 2010
04:28 GMT

New, 3D Perspective of Supernova Remnant Obtained

Historically speaking, more than four centuries have passed since the first telescopes were pointed at the sky. In the mean time, astronomers have begun to learn how to augment their observations, and started constructing increasingly larger and complex observatories. They even learned, with the help of physicists, h...

1 April 2010
02:58 GMT

Quantum Dots to Augment Camera Phones

Most modern-day cell phones have at least one camera, which can be used either for visual communications, or for snapping images of the user's surroundings. But one thing that makes these cameras stand out, and not in a good way, is the fact that they produce photos of reduced quality, which almost always look g...

22 March 2010
04:05 GMT

First 3D Invisibility Cloak Created

Not two years ago, researchers managed to create the first 2D “invisibility cloak,” a material that was capable of concealing an object viewed from a fixed location by an observer. This was accomplished by manipulating the light hitting that object in such a manner that the photons were routed around it, ...

19 March 2010
06:22 GMT

Designing Methods to See Through Opaque Materials

Opaque materials are used for a wide variety of applications, ranging from creating doors that are neither see-through, nor completely closed off, paints, fabric, paper, biological tissue and so on. While in some instances it is useful to have an opaque material, in other cases scientists are struggling hard to surpa...

18 March 2010
11:56 GMT

Light Can Twist Nanoparticles

Any first-grader will tell you that matter can bend and twist light. This is obvious in anything from mirrors to space telescopes, and from lasers to polarizing 3D glasses. But the opposite interaction has almost never been observed, in the sense that experts rarely saw light influence matter in the same way. Now, in...

18 March 2010
07:56 GMT

Light and Molecules Create Advanced Protein Killers

A team of experts from the Scripps Research Institute was recently able to devise a new method of producing advanced, super protein killers. Their technique is fairly simple, as it relies on shining a special beam of light over specific molecules. This turns these agents, that are otherwise only modestly-effective in...

15 March 2010
15:01 GMT

A Good Mix: Nanoantennas and Quantum Communications

Being able to control the pathways of light inside a very small microchip is one of the most important goals of researchers looking into quantum communications. Up until now, reaching this objective has proven to be very difficult to reach, and so experts have now turned their attention on a less standard approach. T...

15 March 2010
02:17 GMT

A Good Mix: Chaos and Quantum Computers

In a recent study, experts have demonstrated that accepting chaos could result in a quantum computer being constructed sooner than anyone would have expected. The group that made the findings says that disorder can be controlled, and used to enhance the manner in which light and matter couple with each other in quant...

12 March 2010
14:01 GMT

Lamps Could Allow for Broadband Connections

In the not-so-distant future, people could benefit from the fast navigation speed of a broadband Internet connection by simply turning on the lamps on their desks. A group of researchers envisions using this medium to broadcast the connection, and are scheduled to make a presentation of their proposed system at the u...

10 March 2010
08:47 GMT

Einstein's Theory Proves that Warp Speed Is Deadly

An expert has used Albert Einstein's theory of general relativity to prove that spaceships and people will not be able to travel at the speed of light without suffering disastrous consequences. The physicist shows that moving through space at the speed of light would expose both the crew and the hardware to mass...

8 March 2010
18:01 GMT

Ubuntu 10.04 Drops the Human Theme for a Fresh, New Look

Mark Shuttleworth and the Canonical design team presented today the brand-new look for their upcoming Ubuntu 10.04 LTS (Lucid Lynx) operating system. Yes! That means, no more Human theme! The new look will also be applied to Ubuntu's derivatives Kubuntu and Xubuntu. So, what has been changed? Everything! Canoni...

3 March 2010
17:29 GMT

'Sound Lasers' Are Here

Experts have for the first time ever been able to develop so-called lasers with a twist, which are capable of emitting sounds rather than light. The system is based on very small drum heads, and a number of vibrating towers, which allow scientists to fulfill this goal. Laser stands for light amplification by stimulat...

26 February 2010
10:47 GMT

Lasers Can Be Used to Clean Old Artworks

Art restoration experts were recently surprised to learn just how efficient a laser-based cleaning method is to returning some vitality to tarnished wall paintings and other works of art. The method is derived directly from the techniques currently in use for tattoo removal, the scientists say, but they appear to wor...

26 February 2010
08:46 GMT

Light-Based Implants Could Control Neurons

Scientists have recently become aware of the ability that light has to control certain neurons. The merging research field of optogenetic neuromodulation is aimed at providing research groups around the world with the necessary background for developing devices that could use this principle. The large biotechnology m...

24 February 2010
04:48 GMT

Top Efficiency: Solid State Lighting

In a groundbreaking achievement, experts at RTI International announce the development of a new type of lighting technology. The method is purported as being considerably more efficient than compact fluorescent light (CFL), which is currently being implemented worldwide as an alternative to traditional light bulbs. A...

11 February 2010
05:59 GMT

Scientists Develop UV-Absorbing Contact Lenses

Being exposed to increased amounts of ultraviolet (UV) radiation emanating from the Sun was linked a long time ago to a host of damages that could come to the human eye. According to ophthalmologists, the cornea, conjunctiva and lens of the eye have a great deal to suffer from prolonged exposure to this type of light...

27 January 2010
14:01 GMT

Photons Made to Seemingly Move Faster than Light

A collaboration of researchers has recently made it possible to accelerate the speed of the basic light particle – the photon – to seemingly faster-than-light speeds. This effect has been achieved by passing the photons through stacked materials, in which the scientists added a single, thin layer at a str...

27 January 2010
05:35 GMT

Light Show Made from Bioluminescent Bacteria

In a more unusual study, researchers have demonstrated that they can condition artificially engineered bacterial cells to produce amazing light shows under a microscope. Their challenge did not lay as much in creating the cells themselves, as it did in making them fluoresce simultaneously, and in various types of pat...

22 January 2010
05:56 GMT

Metamaterials-Based Nanolenses Have Amazing Resolution

Experts from the Northwestern University Electronic Materials Research Institute, led by Director and Distinguished Professor Srinivas Sridhar, PhD, announce that they were able to produce a new type of lens. The device, which is built at the nanoscale, operates in such a manner that it exceeds the diffraction limit,...

19 January 2010
16:11 GMT

'Light Knots' Created in the Lab

One of the things most people know about light is that it tends to travel in a straight line. This is made obvious by the fact that when you place your hand between a source of light and your face, you no longer see the light. If photons were to be traveling in a chaotic manner, without a sense of direction, then we ...

18 January 2010
02:11 GMT

Colored Light Can Silence Brain Cells

Experts at the Massachusetts Institute of Technology (MIT) announce the development of a new class of devices, which are able to reversibly shut down brain activity. This can be done locally, only in the areas where such a measure is needed. The instruments rely solely on the power of light, the team says, as it dete...

7 January 2010
04:59 GMT

Special Transistors Could Power Microfluidic Devices

The dream of a European research group, once thought to be something pertaining to science-fiction, may actually represent the basis of a new class of optoelectronic devices. According to experts, the innovation proposed by the team could result in massive improvements being brought to a wide array of research fields...

4 January 2010
08:32 GMT

How Light Influences the Taste of Wine

German researchers at the Johannes Gutenberg University Mainz Institute of Psychology have recently determined that the taste of wine can be significantly altered by serving it under different lighting. In other words, it would appear that the room the wine is tested in also plays a role in determining how a person e...

29 December 2009
06:46 GMT

Nanoelectromagnets Can Transfer Energy to Each Other

In a groundbreaking, new work, scientists at the FOM institute AMOLF, in the Netherlands, managed to use the magnetic field of light to power up an energy transfer between nanoelectromagnets. This has never been achieved before anywhere in the world, and the group is very excited about its success. In addition to bre...

23 December 2009
16:21 GMT

Meet the World's Longest Laser

Scientists at the Aston University, in the United Kingdom, can boast, at this point, having control over the longest fiber laser in the world. Their physics device was created from, and now occupies more than 270 kilometers (168 miles) of optical fiber cable. The science group at the university believes that the new ...

15 December 2009
11:02 GMT


More: << previous 50 | next 50 >>

WindowsGamesDriversMacLinuxScriptsMobileHandheldNews

SUBMIT PROGRAM   |   ADVERTISE   |   GET HELP   |   SEND US FEEDBACK   |   RSS FEEDS   |   UPDATE YOUR SOFTWARE   |   ROMANIAN FORUM