Sunday, November 29, 2009

Amphibious Bus Dubai

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luxury yacht charter and caribbean yacht charters

The best charter yachts in the world

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Luxury yacht rentals
Fashion of luxury yachts is up to date worldwide. But not everyone can afford an expensive vessel. Solution, however, and it is very easy. Worldwide, and our country is offered "chartering or renting a yacht of your choice for a certain period of time.

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Luxury yacht charter , luxury yacht rental , luxury yacht rentals

Companies offer huge catalogs, where you can select the desired vessel. And the last publication of Boats and Yachts
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Caribbean yacht charter

Yacht and powerboat article appeared and the best charter yachts in the world. They are arranged in different characteristics.
luxury yacht rental
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Luxury yacht rental

Any real estate advisor, will always tell you that the most important factors when buying a house are location, location, location. They have a point. Every other aspect is the variable of bricks and mortar with landscaped garden. Its location, on the other hand, is permanent. Probably so super yachts are the most luxurious.

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Luxury yacht charter

You can have all the comforts of home and ask their cadets live and where you want the luxury of mega yacht. It is also quite handy. Two-thirds of the Earth's surface is covered with water, yacht owners access to a myriad of stunning locations denied to the majority of the population.


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Luxury yacht charter
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Luxury yacht
So how come most of the park still mega yacht spends the summer months, clustered together in one little corner of the Mediterranean Sea, then to move even small clutch of islands in the Caribbean? It is true that both are good spots better prepared to cope with the demanding needs of mega yacht fleet, but there is a whole world of possibilities there waiting to be discovered.

hat is why we have this issue devoted to alternative cruising destinations. We are not the only ones that should be noted that market niche. An increasing number of yacht charter operators and charter owners move their vessels to remote corners of the globe to entice a growing group of charter guests tired of cruising range.


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Luxury charter yachts

We searched the world for yacht sailing of these yachts and the experiences they offer, from sunbathing iguanas of the Galapagos with a snorkeling with elephants off these gems of the Indian Ocean, Andaman Islands by sailing super yacht or motor yacht or a luxury yacht or mega yacht. :)
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Luxury yacht charter ,luxury yacht rental , luxury yacht rentals, caribbean yacht charters
caribbean yacht charter , luxury charter yachts


Azimut 50 Flybridge

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Luxury Yacht
I found a lot to like about Azimut’s 50 Flybridge. Sightlines from the lower helm are excellent; there’s only a single, narrow mullion in the windshield, and the forward side windows are at eye-level from the helm. The aft side windows are a bit lower, giving guests in the saloon a great view from the plush Ultraleather settees, and affording good visibility while docking alongside a pier, and sightlines aft are great, thanks to the full-width glass panels and sliding glass door to the cockpit.

Azimut 50 Flybridge
Luxury Yacht

Our test boat had the two-stateroom, two-head layout, which offers an exceptionally spacious galley on the lower deck, only three steps lower than the saloon, so the chef can still converse with guests in this luxury yacht. And directly above is the large, sloping windshield, flooding the cooking area with natural light. Two large, circular portholes alongside rich-looking, black molded countertops offer more light and air, while recessed fixtures provide task lighting for the chef’s toils in your luxury yacht.


Azimut 50 Flybridge
Modern Yacht Design
But what I liked most about the galley in yachts was its roominess, with copious stowage spaces and appliances sized for real cooking, not just warming up a few snacks in the microwave, which is out of sight in a cabinet below the sink. Speaking of the sink, it’s a double-basin affair, as big as one you might find at home, with a built-in dish drain along side. I was pleased to note that each of the cooktop’s three burners was fitted with a stout pot restraint, a functional feature too seldom seen on yachts of this style.

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Luxury Yacht Interior Design

Forward of the stove is about four feet of open counter space for food prep, a full-height double-door refrigerator/freezer (in a handsome varnished cherry cabinet), and a matching full-height cabinet with five shelves, each about two feet wide and more than a foot deep in yacht. There are also five big under-counter modern cabinets for stowing bulky items; one is fitted with bottle racks, while another has a nifty pull-out shelf for spices and smaller items. Tucked behind a series of varnished wood panels that look like a decorative cornice above the counter are five more eye-level cabinets, perfect for canned goods, jars, boxes of cereal, pasta, and the like in the luxury yacht.

Azimut 50 Flybridge interior
Luxury and Modern Yacht

In the three-stateroom layout, the galley is about half this size, yielding just enough space for another small stateroom with bunksin the luxury yacht. Personally, I’d opt for the two-stateroom layout and leave the kids at home for the weekend. But in either configuration, the layouts of the master and guest staterooms are the same; both are big and bright with three-sided access to double berths in boat.
Located beneath the raised helm, the guest stateroom offers at least 6'6" headroom and more than ample sitting headroom above the berth. Guests will appreciate the privacy of the adjoining head, which allows entry from the stateroom or (as a day head) directly from the main passageway in yacht .

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Luxury and Modern Yacht Interior Design
Teak soles in the head and the separate shower area add a classy touch, as does the polished glass countertop, complete with a household-size under-mount stainless steel modern sink. Above the sink there’s a mirrored panel that serves as a door to the medicine cabinet, and when the panel is slid to the side, it also covers a porthole, offering privacy to anyone using the facilities in luxury yacht.

E'llipse Traveler Watch

Minimal & Sleek ? find out. Ood-les of technology? find out, Large screen? find out, find out and find out The “E’llipse Traveler Watch” is the watch to finish all wristwatches. y? Becoz it has a elegant processor & the latest mathematical in human machine learning. Yes it will make you to learns! E’llipse Traveler watch knows what you actually want & keeps you updated. Thats not all. Bluetooth & ZigBee modules enable indoor navigation, which is an impossible element for the GPS. UI is based in it - 1 for every kind; weather, time, calendar & a customized API lets developers get invented.

Wednesday, November 25, 2009

Vulture - Unmanned Aircraft!!

Vulture - Unmanned Aircraft!!

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Defense Advanced Research Projects Agency (DARPA) of United States is working to develop an unmanned aircraft that is able to stay in air for a period of 5 years at a time. It is one of the most recent inventions of world.

Officials of DARPA has revealed that this aircraft will be known as VULTURE due to its Persistent Pseudo-Satellite Capability . It means that this aircraft will be able to fly over a single area, communicating or performing analysis for years at a time.


Major Obstacles in Project:

Even this project looks appealing to many of you, but there are some serious problems or you can say obstacles in achieving this project.

1) First challenge in front of designers is to figure out some Way to Supply Power to this aircraft during long missions.

2) Another problem is that this aircraft will carry a 1000 pound (450 kg) payload in winds at an altitude of 60,000 to 90,000 feet.

3) Designers have also to sort out the problems regarding Deterioration of Materials during their long-time exposure to stratospheric flight.
In addition to this there may be many challenges during designing of this aircraft.





Daniel Newman: The Man Behind VULTURE

Daniel Newman is the Project Manger of this ambitious project of NASA. In his words: "We want to completely change the paradigm of how we think of aircraft. Aviation has a perfect record - we've never left one up there. We will attempt to break that record". It looks that its time to get out of the traditional "launch - recover - maintain - launch cycle of aircrafts."
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Concept Behind Vulture:

Basically Aircrafts operates just like satellites, but the major difference is that these are not regulated by orbital mechanics. You can understandVulture as a Pseudo-Satellite, which operates in the stratosphere and not in the low Earth orbit. This would provide a 65 dB upgrading in communications capability and will increase onboard sensor resolution.

When Will it Become a Reality?

Well, right now NASA has not mentioned any time table when the aircraft will be ready. But for now NASA has worked on the probable design ofVulture

Tuesday, November 24, 2009

Timeline of Wireless Technology

Timeline of Wireless Technology


What is wireless communication? In layman's language it can be described as using technology to transfer information over a distance without using any wires. Wireless communication is not new and has been in use for well over 125 years now. Through this article we trace the origin of this technology and its evolution to its present form. Here is the timeline ofwireless technology.




1887

The principle of wireless communication was presented by German physicist Heinrich Hertz in the year 1887. Hertz demonstrated how electromagnetic waves could be transmitted across free space. This was an expansion of the theory of electromagnetic theory of light put forth earlier by James Maxwell and Michael Faraday. Though Hertz managed to demonstrate it, he never tried to take it any further, even remarking that it would be of no significance.

1893

Nikola Tesla transmits radio waves in St. Louis, Missouri.

1897

Guglielmo Marconi is awarded the British Patent for 'Improvements in transmitting electrical impulses and signals and in apparatus there-for'. What this effectively means is that he was granted the rights to the Radio.

1898

Nikola Tesla demonstrates a remote control boat. It would be amusing to know that people watching this demonstration thought Tesla was controlling the boat using his mind, as nobody seemed to have any information about radio waves at that time.

1906

Amplitide Modulation (AM) is used by Reginald Fessenden to broadcast his voice over the North Atlantic. This mode of radio transmission is the same as Shortwave and Medium wave in use today.


1915

First transatlantic transmission takes place. AT&T achieves this radio transmission from Arlington, Virginia to Paris using the Eiffel Tower to hold the receiving antenna.

1919

Radio Corporation of America (RCA) is incorporated by General Electric (GE) on Oct. 17 specifically to acquire the assets of the wireless radio company American Marconi from British Marconi.

1921

Shortwave (SW) radio is developed. It is called Shortwave because the wavelength of light is shorter than visible light due to the higher frequency. Shortwave Radio (also known as High Frequency or HF radio) has a frequency of 2.310 Megahertz to 25.820 Megahertz. The benefit of Shortwave radio is that the waves can bounce off the ionosphere (the layer of atmosphere consisting of ions or charged particles), enabling transmission to the other side of the world without actually having a direct line of sight.

1931

Frequency Modulation or FM is developed by Edwin H. Armstrong. FM transmission is less prone to noise associated with AM transmission and therefore results in a clearer broadcast. Also, it is possible to transmit stereo signals, making it suitable for musical radio broadcasts.


1982

The GSM (Groupe Special Mobile) group is formed and decides on a digital system for its cellular systems




1983

After decades of stagnation in wireless communication technology, 802.3 standard is created by IEEE and additions to its specifications are made regularly.


1987

GSM Technical details are worked out in this year. A narrowband time division multiple access (TDMA) system is also planned.

1990

L-band radio is demonstrated (digital radio). The Global Positioning System (GPS) operates in the L-Band. Also, first GSM specifications are released.

1991

The first GSM call is made in Finland (March) on the Radiolinja network, which got its GSM license in 1990. This is the precursor to Wi-Fi developed by NCR Corporation in the Netherlands with speeds up to 1-2 Mb/s.

1992

First GSM network outside Europe network is launched in Australia on April 27 providing service to 53% of the Australian population.

1997

IEEE 802.11 (also known as Wi-Fi) standard is created. This original 802.11 specification has a maximum bandwidth of 2 Mb/s.

1998

The Bluetooth Special Interest Group (SIG) was formed in September of 1998 by Ericsson, Intel, IBM, Toshiba and Nokia. The formal announcement of the SIG takes place next year on May 20, 1999.

1999

IEEE 802.11b is added to the 802.11 standard. Transmission speeds up to 11 Mb/s are possible. Bluetooth 1.0 (IEEE 802.15.1) specification is released. In this, all hardware identifies itself in the handshake process and renders anonymous data reception and transmission impossible. EV-DO (Evolution Data Optimized) is developed by Qualcomm.

2000

The first consumer Bluetooth product - a wireless headset and phone adapter for mobile phones is released by Ericsson.

2001

The first 3G network is commercially launched in September by NTT DoCoMo, Japan. In December, IEEE 802.16 standard, also known as WiMAX, is created.

2002

The first UMTS network is launched allowing high-speed applications such as mobile TV and video calling.

2003

EDGE is deployed by AT&T on Singular network in the USA. IEEE 802.11g is added to the 802.11 standard, allowing transmission speeds up to 54 Mb/s. Bluetooth specification 1.2 is released. This new specification includes Adaptive Frequency-hopping (AFH), which reduces RF interference.

2004

Newest version of IEEE 802.16 is added and it completely changes the WiMAX standard. This has a new scheduling algorithm, which makes WiMAX much more scalable than Wi-Fi. Instead of the random way in which subscribers compete in Wi-Fi, they compete once for a time to call when they connect to the network, thereby reducing collisions when transmission occurs at specified times. Bluetooth specification 2.0 is released. This new specification is not only backward compatible but also introduces Enhanced Data Rate (EDR), which allows transmission of data up to 3 MB/s.

2009

802.11n - the latest in Wi-Fi standards will be formally approved in November 2009 (although devices sporting this standard are already available, they are not necessarily conformant with the final specifications).

High Technology Robots That May Change The World

Robots have long been the fascination of people throughout the world.Movies have stretched the imagination and science and technology havemade some robots a reality. Following are ten high technology robotsthat may change the world.

10. Molecule Self-Configuring Robots

Daniela Rus, Massachusetts Institute of Technology



This shape-changing bot is built of many simple modules which it canmove around, allowing it to adapt to different tasks and build3-dimensional structures.

Zina Deretsky, NSF



This freaky looking USC-built robot head can learn facial movements from human teachers and watches objects it finds interesting. This collaboration between neuroscience, robotics, and computer vision is the first step to building full-body humanoid robots

Self-Assembling Robotics

Klavins Lab, University of Washington, 2005



This exhibit demonstrates 10 self-assembling robots that attach to each other to form larger structures. Each robot is 4 inches wide and weighs less than a quarter pound. Attendees are encouraged to play with the robots to figure out how they work.

Systems for Surgical Assistance

Computer Integrated Surgical Systems and Technology Engineering Research Center



This robotic surgeon, designed to assist in brain surgeries, has the steadiest hand in the business. The exhibit will also show two compact, image-guided robot systems developed for tiny operations such as prostate biopsy.

olar-Powered Autonomous Underwater Vehicle (SAUV)

Autonomous Undersea Systems Institute



SAUV, weighing in at 370 pounds and 8 feet in length, is specially designed long-endurance underwater robot. It can spend several days on sensory mapping, security and environmental monitoring missions.


RHex/RiSE

Daniel Koditschek, University of Pennsylvania



The six-legged bug bot shows off remarkable speed, mobility and efficiency never before seen in the robotics world. It?s a joint project between Carnegie Mellon, the University of Pennsylvania and the University of California, Berkeley.

COOL Aide: Robotics Assistance for the Elderly

Majd Alwan



The Co-operative Locomotion Aide (COOL Aide) ? a passive, shared control, robotic walking aide ? helps the elderly and injured get around by determining a user's intent and assisting them with movement.


COTS-M Scout Robot

Nikos Papanikolopoulos, University of Minnesota



Smaller than a soda can, the COTS-M Scout is loaded with sensors, including a camera. Researchers can toss the robot and ask it to drive to a particular location and transmit video to a handheld unit


Aerial Robots

Paul Oh, Drexel University



The Drexel Autonomous Systems Lab is currently working on building sensor robots that can fly around on their own to explore forests, caves, and tunnels. These robots could also be used to fly above disaster areas and battlefields to locate casualties.

Wednesday, November 11, 2009

20 Things You Didn’t Know About… Lab Accidents

LSD, gunpowder, Viagra, and the Incredible Hulk all have something in common.



1 - There went our best chance: In the ninth century, a team of Chinese alchemists trying to synthesize an “elixir of immortality” from saltpeter, sulfur, realgar, and dried honey instead invented gunpowder.

2 - German scientist Hennig Brand stored 50 buckets of urine in his cellar for months in 1675, hoping that it would turn into gold. Instead, an obscure mix of alchemy and chemistry yielded a waxy, glowing goo that spontaneously burst into flame—the element now known as phosphorus.

3 - Soldiers supplied the raw material in vast, sloshing quantities until the 1750s, when Swedish chemist Carl Scheele developed an industrial method of producing phosphorus. He discovered eight other elements, including chlorine, oxygen, and nitrogen, and compounds like ammonia, glycerin, and prussic acid.

4 - Scheele was found dead in his lab at age 43, perhaps owing to his propensity for tasting his own toxic chemicals.

5 - Kevlar, superglue, cellophane, Post-it notes, photographs, and the phonograph: They all emerged from laboratory blunders.

6 - The Flash, created in 1940 for All-American Publications, was the first comic book hero to develop superpowers after a lab accident, attaining “super speed” after inhaling “hard water” vapors.

7 - Other beneficiaries of the Freak Lab Mishap include Plastic Man (struck by a falling drum full of acid), the Hulk (irradiated by an experimental bomb), and of course, Spider-Man (bitten by a radioactive spider).
8 In real life, perhaps a bigger risk comes from lab-contracted diseases. The world’s last documented case of smallpox killed photographer Janet Parker in 1978 after the virus escaped from a lab at the University of Birmingham in England.

9 - But sometimes humans strike back: Alexander Fleming, famous for his serendipitous discovery of penicillin, also chanced upon an antibiotic enzyme in nasal mucus when he sneezed onto a bacterial sample and noticed that his snot kept the microbes in check.

10 The lab-accident rate in schools and colleges is 100 to 1,000 times greater than at firms like Dow or DuPont.


11 - In 1938 DuPont chemist Roy Plunkett opened a dud canister of tetrafluoroethylene gas and discovered an amazing, nearly friction-free white powder. He named it Teflon.

12 - Perhaps he should have chucked it out instead: In 2005 the Environmental Protection Agency identified a Teflon ingredient, perfluorooctanoic acid, as a “likely carcinogen.” It is now in the bloodstream of 95 percent of Americans.

13 - After a 1992 drug trial in the Welsh mining town of Merthyr Tydfil, male subjects reported that sildenafil citrate hadn’t done much for their angina, but it did have an unusual side effect on another part of their anatomy. Today the drug is sold as Viagra.

14 - In 1943 Swiss chemist Albert Hoffman inadvertently absorbed a small quantity of lysergic acid through his fingertips and experienced “dizziness . . . visual distortions . . . [a] desire to laugh.” The age of LSD had begun.

15 - Hoffman’s long, strange trip continues. He turned 100 this past January.

16 - Why he’s not the father of the electric chair: While trying to electrocute a turkey, Benjamin Franklin sent a whopping jolt from two Leyden jars into his own body. “The flash was very great and the crack as loud as a Pistol,” he wrote, describing the incident as an “Experiment in Electricity that I desire never to repeat.”

17 - In 1965 astronomers Arno Penzias and Robert Wilson scrubbed their Bell Labs radio antenna to rid it of pigeon droppings, which they suspected were causing the instrument’s annoying steady hiss.

18 - That noise turned out to be the microwave echo of the Big Bang.

19 - The world has scores of superpowerful particle accelerators. Last year, a fireball created at the Relativistic Heavy Ion Collider in Upton, New York, had the characteristics of a black hole. Physicists are reasonably sure that no such black holes could escape and consume Earth.

20 - Reasonably.

Amazing Contemporary Sculptures

Black Whole Conference: made of 72 chairs
The Black Whole Conference chair sculpture was made out of 72 chairs by Michel de Broin on 2006. It was part of the Québec Triennial "Nothing is Lost, Nothing is Created, Everything is Transformed" exhibition at the Musée d’Art in Montreal.


Sound Wave: made of melted vinyl records

On 2007, korean artist Jean Shin created Sound Wave out of melted vinyl records. The sculpture was part of The Museum of Art and Design’s exhibit "Second Lives: Remixing the Ordinary." The artist explained the sculpture shows "the inevitable waves of technology that render each successive generation of recordable media obsolete."



Controller of the Universe: dozens of tools suspended in the air

The 2007 sculpture by Damián Ortega Controller of the Universe consists of scores of suspended hand tools pointing outward as though in midexplosion. It’s part of the exhibit "That Was Then ... This Is Now" at the P.S. 1 Contemporary Art Center.



Economy: Melting Ice Sculpture

To symbolize today's economic meltdown, artists Nora Ligorano and Marshall Reese made this ice sculpture of the word "ECONOMY" and set set it outside in downtown Manhattan. They did it on October 29 because it was the 79th anniversary of the 1929 stock market crash leading to the Great Depression.



Reach for Light: a Skateboard Flower Sculpture

Reach for Light is a Skateboard Flower Sculpture made by Ted Hunter form Roarockit Skateboard Co. The flower petal designs are actually printed using photo’s of real tulip petals. It was shown on 2005 at the Wood Turning Center in Philadelphia.



Jones' Book Sculptures: made of old books

Australian artist Nicholas Jones turns old books into fine art. Using old books he finds at the bins of the University of Melbourne library, Nicholas makes incredibly detailed cuts and folds with each page, and transforms each piece into a work of true work of art.


On Gold Mountain: San Francisco's cityscape made of stainless steel cookware

Displayed at the Asian Art Museum in San Francisco, On Gold Mountain is cityscape of San Francisco created by artist Zhan Wang using stainless steel pots and pans and silverware.



Very Hungry God: made of 1,000 kg of kitchen utensils

Made out of hundreds of kitchen utensils, pots and pans, Very Hungry God made by the artist Sudobh Gupta on 2006 is now on display at the Frieze Art Fair in Regent’s Park, London.


Hellraiser’s Pinhead: an amazing sand sculpture

This sand sculpture of Pinhead (a character from Hellraiser movies) was made by Latvian artist Helena Bangert on Zeebrugge (Belgium) in 2004.


Elvis: a sculpture made of 50,000 matchsticks

This Elvis bust was made by David Mach, a scottish sculptor and installation artist, using no less than 50,000 matchsticks!

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