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Home > News > Tags > lasers
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Astronomers operating a large telescope in the Southern Hemisphere are delighted to announce that their instrument is about to become even more efficient at observing the night sky. This will happen when it receives a new constellation of sodium laser beams to help point its “eyes.”
The addition of the... |
29 January 2011
02:26 GMT |
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For years, aeronautics experts have been trying to find alternatives to the standard space launch – a rocket that is powered by burning chemical fuel. An alternative proposition that scientists are seriously considering now calls for the use of lasers or microwaves beam to launch spacecraft.Under the new approa... |
22 January 2011
04:54 GMT |
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In a groundbreaking innovation, physicists at the University of California in Berkeley (UCB) managed to exceed a barrier standing in the way of practical applications for plasmon lasers, and namely temperatures. This class of advanced devices can now operate at room temperatures. These instruments have been proposed ... |
20 December 2010
10:53 GMT |
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Investigators in the United States just published a paper that puts a serious dent in a theory holding that laser operating in the terahertz portion of the electromagnetic spectrum cannot be generated from laser devices functioning at room temperatures. Lasers producing light in these wavelengths have a variety of pr... |
16 December 2010
06:46 GMT |
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American researchers at the University of Michigan announce that it is possible to create something out of nothing when the right conditions are met. In this case, what is needed is an ultra-high-intensity laser beam and a particle accelerator at least two miles in length.What the team argues is that setting in motio... |
9 December 2010
08:35 GMT |
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For three years now, laser liposuction has been practiced in the United States with the approval of the Food and Drug Administration (FDA). The reason why most people request the procedure is that it eliminates some of the major drawbacks of conventional liposuction.For starters, the established way of removing exces... |
8 December 2010
07:42 GMT |
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A new technology originally developed for the space industry has now made its way to the commercial sector. It allows for objects made of glass to be inscribed with tracking numbers without leaving any marks or cracks on their surface. Keeping an eye on how glass art objects and other items exchange owners and move a... |
24 November 2010
14:01 GMT |
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A new experiment carried out at a NASA lab demonstrated that it's possible to use lasers to listen in on the “music” made by gravitational waves as the pass through the Universe. These structures were predicted to exist in the early 20th century by famed physicist Albert Einstein, who predicted that ... |
24 November 2010
05:42 GMT |
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Physicists believe that they may have finally discovered the first signs of artificially-produced Hawking radiation, in a series of experiments that was carried out in Italy. Experts have in effect created an optical analog for the elusive form of radiation, that was hypothesized by famed physicist Stephen Hawking. F... |
10 November 2010
02:38 GMT |
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An international group of researchers announce the development of a new generation of high-energy, synchrotron X-ray sources, which are so small that they can be used on a scientific lab bench.Tightly-focused X-ray beams are of paramount importance in science today, as they are widely employed in a variety of practic... |
25 October 2010
04:00 GMT |
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A recent test run of the world's most powerful laser proved that the instrument works, and raised hopes that scientists at the US National Ignition Facility (NIF) will achieve nuclear fusion within two years. The firing of the laser was the first-ever complete dry run of the machine, which saw the laser being ai... |
13 October 2010
04:17 GMT |
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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 |
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A group of physicists has recently carried out a series of experiments that may provide additional insight into the nature of quantum entanglement.Famed physicist Albert Einstein famously referred to this property of quantum physics as “spooky action at a distance,” due to the instant nature of the connec... |
9 October 2010
06:32 GMT |
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Israeli investigators have recently developed a new method for controlling spinning molecules, which resembles how people control the trajectory of Frisbees when they throw the toys.When playing, children usually know instinctively, or through trial-and-error, that the angle at which the Frisbee is thrown plays a ver... |
7 October 2010
16:01 GMT |
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Scientists say that the elusive form of radiation that famed theoretical physicist Stephen Hawking predicted back in 1974, and which bears his name, may have just been discovered. For decades, astrophysicists have been looking for signs that the Hawking radiation is a real, measurable quantity, but thus far their eff... |
27 September 2010
09:07 GMT |
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A new airborne defense system using lasers has recently misfired in a new battery of tests, when a glitch in its software made it miss a missile it was targeting. The goal of the flying laser is to provide the United States with a new method of defending against incoming missile. This is achieved by blasting the obje... |
25 September 2010
03:28 GMT |
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According to an announcement made by the US Food and Drug Administration, it would appear that the agency approved the use of a laser that is capable of removing excess fat from waists.The decision comes amid controversies over how the laser works. More specifically, many are fearing that the new fat-removing techniq... |
17 September 2010
01:28 GMT |
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As part of a contract with the United States Navy, the Boeing Company has just been awarded an additional $23 million in order to complete a lab demonstrator of a 100-kilowatt Free Electron Laser.The FEL device is estimated to cost about $163 million overall. Cost estimates are however premature, given that the proje... |
14 September 2010
05:55 GMT |
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Researchers are currently working on developing new types of breakthroughs in the field of computer simulations, given the potential these technologies have for furthering science. At this time, they believe they might have found a way to improve advanced laser experiments.One of the main problems plaguing investigat... |
23 August 2010
02:43 GMT |
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Officials with the US Missile Defense Agency (MDA) believe that laser systems mounted on aircraft represent the future of safeguarding the nation against incoming missiles. But such a system has recently had its third flight test delayed due to technical issues. The Airborne Laser is a device mounted in a heavily-mod... |
21 August 2010
03:57 GMT |
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Scientists recently managed an impressive achievement in the field of bioengineering, when they managed to control an embryonic heart using nothing more than laser light for the first time ever.The group controlled the pace of the heart, which means that creating new generations of pacemakers could soon become possib... |
16 August 2010
05:05 GMT |
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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 |
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German researchers are working on innovating cancer therapies applied to sensitive organs, such as the brain or bone marrow. Instead of using standard accelerators to create hydrogen and carbon ions, the group is looking into using compact lasers for the same job. The innovation could help save countless lives. A tea... |
11 August 2010
07:06 GMT |
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Terahertz lasers are extremely useful in science, astronomy and the security industry, due to the fact that they can penetrate through a host of materials. But its capabilities are severely limited by a trait known as divergence, which basically translates into the fact that the diameter of the laser light beam incre... |
9 August 2010
02:46 GMT |
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The next generations of lasers and infrared photodetectors will be used in a variety of applications covering many fields of research. Medical imaging technologies, astronomical studies and military devices could all be improved thanks to new work being conducted at the Arizona State University (ASU). The team here i... |
5 August 2010
03:21 GMT |
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Fission reactors are capable of producing large amounts of energy using radioactive materials, but they also pose an incredibly danger to their surroundings and workers. Their byproducts are also very toxic, and incredibly difficult to handle, and so physicists have been working on developing technologies to replace ... |
28 July 2010
11:07 GMT |
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A team of experts from the Georgia Institute of Technology (Georgia Tech) announces the development of a new method of piercing through cellular walls. This is notoriously hard to do, despite the small sizes these structures have. According to the group, their method relies on using small chemical explosions at the n... |
28 July 2010
10:10 GMT |
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For many years, physicists have been pushing the boundaries of science ever further, analyzing and dissecting events that would have sounded like science-fiction just a generation ago. At the forefront of the field are scientists from the SLAC National Accelerator Laboratory, a facility owned by the US Department of ... |
23 July 2010
09:55 GMT |
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Chemical attacks of a terrorist nature, aimed against the civilian population, are among the most dastardly and effective means of causing the desired effect on a target. British authorities managed to avoid an attack of major proportions in 2004, when they arrested Dhiren Barot, UK citizen of Indian descent. The man... |
21 May 2010
08:59 GMT |
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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 |
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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 |
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For many years, optical physicists have been trying to produce a class of advanced instruments known as electrically-pumped organic lasers, which could be used for a variety of applications. Over time, several groups attempted to use organic light-emitting diodes (OLED) to achieve this purpose, but the efficiency the... |
3 May 2010
07:06 GMT |
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In a groundbreaking new study, researchers have demonstrated a mechanism through which laser beams shot into the air can promote the formation of water droplets. According to the team of optical physicists behind the work, it could be that the technique will be used in the future to promote the formation of rainfall ... |
3 May 2010
03:48 GMT |
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Using data collected by a NASA spacecraft, experts were finally able to rediscover a long-lost, Soviet-built reflecting device on the surface of the Moon. The exact location of the scientific payload has remained a mystery since September 14, 1971. At that date, the Soviet Union lost contact with its Lunokhod 1 rover... |
27 April 2010
11:02 GMT |
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A team of German investigators has recently developed a new way of using quantum-dot lasers for producing tunable wavelengths of light. This is a very important characteristic of lasers, and it is sought-after by many researchers in the international community. Usually, the light-amplification devices only accelerate... |
14 April 2010
16:01 GMT |
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Officials that the University of Houston announce that a new deal has been sealed between the institution and the US National Science Foundation (NSF). The document sets the foundation for the construction of a new national center in Houston. The NSF National Center for Airborne Laser Mapping (NCALM), together with i... |
14 April 2010
02:44 GMT |
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In the summer of 2008, researchers at the US Department of Homeland Security (DHS) began working on a new bomb-detection technology. The effort was directed at constructing advanced, high-tech devices capable of detecting potentially dangerous chemicals and explosives in suitcases and other suspicious containers left... |
9 April 2010
10:48 GMT |
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One of the main problems plaguing the development of viable nuclear fusion technologies is the fact that a host of very radioactive by-products are obtained as this type of reactions take place. Granted, physicists have yet to construct the large-scale reactors that could see atomic nuclei fused together to produce e... |
2 April 2010
10:36 GMT |
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Lasers are some of the most useful scientific equipment ever devised. They have contributed to the development of many fields of research and have led to countless innovations, from medicine to particle physics. They work by amplifying certain wavelengths of light, by bouncing photons back and forth between two surfa... |
29 March 2010
06:47 GMT |
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A group of physics experts from Switzerland, at ETH-Zurich, have recently developed the smallest microlaser in the world that can be powered up using electricity. The achievement is bound to have significant implications in many research areas of physics, chemistry and medicine. Additionally, the team says, it could ... |
24 March 2010
07:56 GMT |
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In a finding that could revolutionize the fields of automotive design, computing and health care, researchers and engineers at the University of Florida have recently been able to ignite certain types of nanoparticles. They used weak lasers to get the job done, and say that the achievement bears considerable implicat... |
19 March 2010
05:19 GMT |
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Experts at the Purdue University announce the development of a new, miniature device, which has the ability to make wires obsolete. Communications in the homes and offices of tomorrow could be based on ultrafast laser pulses, which the instrument would convert into radio-frequency signals. According to the experts be... |
4 March 2010
16:01 GMT |
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At the micro- and nano-scales, a large number of events take place at any given time. Inside living cells the amount of reactions that take place, for example, is exceedingly large and complex, and science has been trying to keep up through new discoveries for many years. However, experts knew that they were limited ... |
1 March 2010
06:39 GMT |
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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 |
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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 |
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For the better part of the last 20 years, University of Colorado in Boulder (UCB) physics professors Margaret Murnane and Henry Kapteyn have been inching towards creating a tabletop X-ray laser at a snail's pace. As the old adagio goes, slowly but surely, they managed to set a very solid foundation for their wor... |
22 February 2010
07:04 GMT |
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At times, when looking back to the incredible trek Spirit and Opportunity have had on the Martian surface, it becomes difficult to realize that these enduring robots are in fact geological tools. They were sent there to look at Martian rocks, polish them with their onboard abrasion tools, and then analyze them as bes... |
17 February 2010
10:20 GMT |
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Astronauts that flew to the Moon via the Apollo program left behind a host of scientific experiments on the lunar surface, including a few sets of mirrors. These instruments were designed in such a manner that a laser beam shone from Earth would be reflected back. This enabled physicists to conduct various types of s... |
16 February 2010
06:28 GMT |
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Learning how to handle photons, and how to stack them on top of each other is an ability that is absolutely essential for the field of quantum computing and communication. However, playing with photons is an enormously complicated feat, for the simple reason that these elementary particles disappear if they hit anyth... |
15 February 2010
15:01 GMT |
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Diamond is renowned for being one of the most resistant materials on the planet. The carbon compound's structure is tied together in such a way that it does not allow for it to disintegrate very easily. As many of you know, diamond is also capable of cutting through pure glass, which is no mean feat. But, recent... |
12 February 2010
18:11 GMT |
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