Science, Engineering and Technology Discount Book Store for Mathematics, Physics, Technology, Science, Engineering Books.
Book Title Authors
========= =======
Electro-Optics Handbook, Second Edition Ronald W. Waynant and Marwood N. Ediger
Fiber Optic Reference Guide—A Practical Guide to Communications Technology, Third Edition David R. Goff
Handbook of Optics—Classical Optics, Vision Opti
This is the best article idea ever
I don’t care if this is picture of the ugliest girl ever. In fact I’m not even sure I care if this is the picture of a guy. Those are some of the best cans I have ever seen in my life. And pending there isn’t [...]
Spider VeinsFirst, let's consider the problem-one that's not all that unusual. In the United States, about 41 percent of women and 15 percent of men have unsightly or symptomatic spider veins on their legs. Small red, blue, or purple veins, sometimes called sunburst or starburst vessels due to their appearance, can form anywhere on the legs, from thigh to ankle. While these vessels don't usuall
Scrip: - Rishi Laser.BSE Code: - 526861CMP : - 68Market Cap: - 55 Cr.52 Weeks H/L: - 206 / 51Tgt: - 120 (6-7 Months.)Summary: - Rishi laser is a leader in the usage of Laser Cutting for manufacturing components and assemblies.Rishi(RLCL) set up its first Laser Cutting facility in 1995. Even though Laser Cutting was very popular in Western Countries at that time, Laser Cutting of metals was very ne
Scrip: - Rishi Laser.BSE Code: - 526861CMP : - 68Market Cap: - 55 Cr.52 Weeks H/L: - 206 / 51Tgt: - 120 (6-7 Months.)Summary: - Rishi laser is a leader in the usage of Laser Cutting for manufacturing components and assemblies.Rishi(RLCL) set up its first Laser Cutting facility in 1995. Even though Laser Cutting was very popular in Western Countries at that time, Laser Cutting of metals was very ne
Radiohead’s House of Cards music video filmed with lasers instead of camera and light.Youll find a better version + the making of.. here
Recommendations:
Thom Yorke - The Eraser: Remixes
And It Rained All Night (Burial remix)
Skip Divided (Modeselektor remix)
Analyse (Various remix)
Atoms for Peace (Four Tet remix)
Black Swan (Cristian Vogel Spare Parts remix)
Black Swan (Vogel Bonus Beat Eras
Darren Murph of Gizmodo.com wrote an alarming post about a hi-tech laser damaging the eyesight of Russian dance music fans:
Dozens of individuals that attended an all night dance party near Moscow have been “partially blinded after a laser light show burned their retinas,” according to Russian health officials. Apparently someone responsible for erecting the equipment [...]
A new invention has been made by Argonne Laboratory researchers to align molecules using lasers. This will eliminate the need to crystallize large groups of molecules for synchrotron X-ray diffraction.Crystallization allows scientists to create a periodic structure that will strongly diffract in specific directions when bombarded with X-rays. From the resulting diffraction pattern, scientists can
While Microsoft, Nokia and others paid untold sums of money to have the biggest and brightest booth at the Web 2.0 Expo, in a quiet part of the show floor one of my favorite DIY sites Instructables.com essentially stole the show. Ignoring boring pamphlets or forgettable swag, the ...
After the bus ride from the airport, we walked to a favorite restaurant of Charlie’s which served pork dumplings. A big bowl arrived for each of us, with the dumplings sitting in a pool of red oil. At home, I’d be horrified of such a sight, thinking it was a sign [...]
Laser dentistry incorporates state-of-the-art technology in various aspects of dental health practice and treatment. Although laser dentistry may improve the precision of your treatment while minimizing pain and recovery time, the technology has yet to break into the mainstream of dentistry. It is estimated that approximately 5% of all dentists have lasers available in their offices today.Why Laser Dentistry?Laser dentistry is viewed by some as a precise and effective way to perform many dental procedures. Those seeking extreme safety and comfort may select a laser dentistry option.The potential for laser dentistry to improve dental treatment comes from the precision with which lasers can treat an area of focus, the control that laser dentists have over power output, and the duration of ex
The fragile nature of the eye and the area surrounding it makes it a very delicate area to perform any kind of surgery. Surgeons and optometrists alike are constantly on the look-out for any kind of procedure that is capable of minimizing the risks associated with an operation concerning the eye.A recent innovation in eyelid surgery is the use of the CO2 laser treatment which claims to be a very safe option to a traditional blepharoplasty procedure. Unlike the latter cosmetic procedure, the laser treatment is supposed to involve a significantly less amount of bruising, swelling and bleeding. It also claims to reduce the healing period.A plastic surgery is the mind’s paean to a better body. Cosmetic surgery is the preferred route for a healthy self-esteem for thousands of men and women. Discoveries like these help in diminishing the uncertainty factor associated with surgery of any kind.Adapting lasers for operational reasons is still in the developmental stages and the full power of
Lasers to guide your car? Engineers at the National Institute of Standards and Technology (NIST) have developed a laser-based system to improve the performance of car collision warning systems. The U.S. Department of Transportation (DOT) also worked on this project. And the automotive industry will be able to use this technology to ‘accelerate the development and commercialization of safety systems that alert drivers to multiple, and sometimes virtually simultaneous potential crash hazards — both from forward or side collisions as well as from running off the road.’ Even if such warning systems could avoid car accidents and save lives, how much such a system will cost? So far, the answer is unknown. But read more… Source: feeds.feedburner.comTelecommuting is good for all of us According to two Penn State researchers in management, telecommuting is good both for workers and their employers. The two psychologists looked at 20 years of res
Back in the old days, when we were watching Buck Rogers in the 21st Century, we heard about lasers and we thought in the future they would replace guns.
Well, no. We still have guns, but lasers have found a far better use. Hair removal.
Yep, they can use lasers to take off hair, from the root. So in the future you can see why people will look like Jean Luc Picard.
Have a look at clctampa.com for Laser hair removal in tampa, and you could save yourself the hassle of removing that patch of hair you don't like.
[[ This is a content summary only. Visit www.newsplus.co.nr for full links, other content, and more! ]]
Fed up of almost every acne treatment available in the market?Some people are also desperate enough to try lasers and micro-derma-abrasion to get rid of acne and scars in an effort to clean their faces. The idea of microscopically shaving skin off my face really scares me senseless, irrespective of acne scars. Â
So what is it about the newest laser, Isolaz, a photo pneumatic device that uses a combination of lasers and suction to treat acne, reduce red or brown spots which makes it so different?Â
Isolaz uses a mixture of lasers and suction to clean the pores, sort of like a vacuum and sterilization treatment at the same time.
The company claims the treatment is completely painless (definitely a big plus.)
No uneven red patches which can send you into seclusion for a week.
No need for pre-anaesthesia and post surgery time is minimal.
Faster treatment can be done in a half hour during lunch.
The treatment has been approved by the FDA
Almost all skin types can use it.
The entire proc
I’m gutted that the Equator steering group does not share my vision for our Christmas campaign. My idea is that we dress monkeys up like santa strap them into remote controlled jetpacks fitted with lasers and we battle them to the death - its kinda like a hi-tech conckers. The last monkey standing wins? I just can’t understand why anyone would have a problem with this idea?
The energy level diagrams in general should be negative as per the derivation ofenergy of nth orbit. then how is this possible? let's establish you are right-the most common definition of the energy of electrons in an atom or molecule is negative. The reason for this is as follows. Imagine the entire universe were empty except for a single electron. It would make sense to define that such an electron has an energy of 0, as there are no particles pulling on this electron. Now, imagine a proton exists on the other end of the universe. The distance between the two would be so large that the electric field [1] would be negligible, and the same would be true for the for the resulting energy. Now, imagine the electron moves closer and closer to the proton. The electric field strength increases, and the electron gains velocity. This increases the kinetic energy [2] of the particle. Now, this kinetic energy must come from somewhere, and in fact it is coming from the electric field between the
By Jim Bradley The red laser beam is the original light frequency to be widely used for the design and production of red laser pointers and red laser pens at 650nm. At their first global recognition, the red laser created quite a buzz amongst various scientific and professional communities. The idea of visible dense light radiation in the convenient form of a hand held laser pointer was truly revolutionary, so when the red laser diode was stable enough for portable laser use, many laser manufacturers and technicians began a global laser light symposium.So many different varieties of red lasers soon became available as more and more companies and scientists tested their hand in the production of better and more powerful red laser diodes. Soon, you could find all sorts of red laser pointers, red laser keychains, red laser pens in various stores or in gadget magazines, and eventually online. But red laser pointers have been around a bit longer than the internet, and for a while, people wo
By Jim Bradley The red laser beam is the original light frequency to be widely used for the design and production of red laser pointers and red laser pens at 650nm. At their first global recognition, the red laser created quite a buzz amongst various scientific and professional communities. The idea of visible dense light radiation in the convenient form of a hand held laser pointer was truly revolutionary, so when the red laser diode was stable enough for portable laser use, many laser manufacturers and technicians began a global laser light symposium.So many different varieties of red lasers soon became available as more and more companies and scientists tested their hand in the production of better and more powerful red laser diodes. Soon, you could find all sorts of red laser pointers, red laser keychains, red laser pens in various stores or in gadget magazines, and eventually online. But red laser pointers have been around a bit longer than the internet, and for a while, people wo
By Jim Bradley DPSS laser modules are the most used types of lasers for both industrial applications as well as personal enjoyment. The term DPSS, diode pumped solid state, refers to the state of the laser diode as it produces its laser beam through its collimated laser crystal. The complexities of designing and modding lasers of this nature have pushed scientists and light engineers to design brighter and more powerful solid state lasers, from hand held pointers to large box laser units.There is clear value in the use and application of certain laser products, no more so than in the use of industrial laser modules. Lasers are relatively new technology, and for this reason, there is constant advancement and improvement of both the design and performance of lasers for their specific said use. The most common forms of industrial laser use include laser engraving, laser cutting, laser burning, and more. The versatility of condensed laser light allows for a broad spectrum of valuable scien
macrocyclic porphin-derived photosensitizer used as part of ocular photodynamic therapy (PDT) for the treatment of ocular diseases that feature choroidal neovascularization (CNV), a major cause of vision lossthe choroid is a layer of the eye (between the sclera and the retina) that contains lots of blood vesselsCNV is the abnormal growth of blood vessels from the choroid toward the retina, where seeing takes place, and is associated with a number of eye diseases including age-related macular degeneration (AMD, deterioration of the central part of the retina), pathological myopia (abnormal changes in eye structure causing vision problems), and ocular histoplasmosis (a crazy-ass fungal infection of the eye)administered intravenously, then once it reaches the choroidal circulation and begins hanging out in the aberrant vessels there, a nonthermal red laser light (wavelength of 693 nm, natch) is shone on the afflicted eye, resulting in the activation of the drugas it is a highly conjugate
I've logged into My Yahoo dashboard over the past few days and noticed the same video repeatedly appearing in the top 5 most viewed videos, "GREEN LASER PEN VIDEO AWESOME!!!".Looking at the video you see a demonstration of the laser in a way that would make any teenage boy or middle age geek think "COOL!! where do i get one?" Throughout the video there is a website at the top and at the end there the same address appears with the words "Available at". Not only has the product sold its self but there is an easy to follow call to action.The amazing thing about this is that at the time of writing this the video has had 632,626 view with 460 comments along the lines of "wow,I'm GREEN with envy, lol". That is 632,626 times this guy has been able to demonstrate his product free of charge with 460 people reinforcing the value of the product. This isn't the first time I've seen this video on youtube in the top 5 either. Last time it was driving people to an ebay user page.As you can im
I've logged into My Yahoo dashboard over the past few days and noticed the same video repeatedly appearing in the top 5 most viewed videos, "GREEN LASER PEN VIDEO AWESOME!!!".Looking at the video you see a demonstration of the laser in a way that would make any teenage boy or middle age geek think "COOL!! where do i get one?" Throughout the video there is a website at the top and at the end there the same address appears with the words "Available at". Not only has the product sold its self but there is an easy to follow call to action.The amazing thing about this is that at the time of writing this the video has had 632,626 view with 460 comments along the lines of "wow,I'm GREEN with envy, lol". That is 632,626 times this guy has been able to demonstrate his product free of charge with 460 people reinforcing the value of the product. This isn't the first time I've seen this video on youtube in the top 5 either. Last time it was driving people to an ebay user page.As you can im
Crystal light: A semiconductor nanocrystal made by researchers at the Los Alamos National Laboratory is able to amplify light. Electrons get trapped in the cadmium-sulfide core while positively charged holes move to the zinc-selenide shell. This keeps the particles from interacting and annihilating each other, letting the nanocrystal amplify light, which is a crucial requirement in making a nanocrystal laser. Credit: LANL Colorful Lasers from Q DotsA new type of nanometer-size semiconductor crystal that can amplify light marks an important step toward cheap, tunable lasers.By Prachi Patel-PreddQuantum dots--tiny semiconductor crystals 2 to 10 nanometers in size--emit bright, fluorescent light in different hues. Scientists can make them using simple, inexpensive chemical processes and change the emitted color easily just by tweaking the size of the nanocrystals. While quantum dots have found use in medical imaging and are close to being used in photovoltaic cells and LEDs, researchers
For many people, adults and teenagers, acne is a life long problem that is a constant source of embarrassment, self-consciousness, and humiliation. But vanity is not the only reason people may want to rid themselves of acne. For many the physical discomforts such as redness and swelling make acne almost unbearable.Luckily, modern science is discovering more and more ways of dealing with this nuisance. By and large, acne is treated with an assortment of topical and oral health remedies. Inflammatory acne usually requires the taking of antibiotics. Other methods of acne treatment include excision, punch grafts, and chemical peels.Laser treatment, around since the 1980's, is a relatively new way of taking care of acne. It can often times work at least as well as the afore mentioned treatments. Many times, laser treatment will also have the added benefit of lessening acne scarring. In fact, many times laser treatment is recommended for cases where there is already scarring - to help remov
La meilleure manière de protéger votre peau contre le marquage acné-connexe est de prendre des mesures préventives dès l'abord. Mais il est souvent vrai que les gens qui souffrent de l'acné ne puissent pas empêcher le futur marquant suffisamment. En fait, on l'estime que plus de 10 millions d'Américains finissent vers le haut avec le marquage provoqué par l'acné.Il y a beaucoup de degrés de marquage acné-connexe. Dans certains cas, le marquage est très minimal et difficile de noter. Mais dans d'autres cas, le marquage est grave et peut endommager émotif à long terme. Beaucoup d'adolescents qui font provoquer le marquage grave par l'acné pour souffrir de la dépression et d'une perte de confiance en soi. Elles peuvent devenir avec émotion retirées et d'isolement, peu satisfait de leur aspect.Il y a beaucoup de différents facteurs qui contribuent au niveau de la sévérité du marquage acné-connexe. Les études dermatologiques indiquent que la génétique pe
FDA-Approved lasers for LASIKApproval Number for a particular laser will connect you to another FDA page with links to the Approval Order, Indications for Use, the Summary of Safety and Effectiveness (SSE) and the Labeling for Physician and Patient (labeling is often combined into one document with the patient labeling following the physician labeling). Company and model Approval number and date Approved indications (D = diopters)Nidek Laser Technolas Laser Ladar Laser Allegretto Laser Intralase Laser Hyperion Laser NearVision CK Visx Laser Mel 80 Laser Esiris Laser Laser Scan LSX PhasikLasik Links Alcon - LADARVision P970043/S5 5/9/00 Myopia less than -9.0D with or without astigmatism from -0.5 to -3.0D Alcon - LADARVision P970043/S7 9/22/00 Hyperopia less than 6.0D with or without astigmatism less than -6.0D Alcon- LADARVision P970043/S1010/18/02 Wavefront-guided LASIK: Myopia up to -7.0D with or without astigmatism less than 0.5D Alcon- LADARVision P970043/S156/29/04 Wavefron
