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Computer technology advancement
Advancements in technology
Computer technology advancement
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Princess Leia's holographic plea in the classic film "Star Wars" inspired researchers to work toward a device that could project real-life sci-fi holograms. Now, the futuristic 3D imaging may be one step closer to reality. A team of physicists at the Australian National University (ANU) invented a tiny device that creates the highest-quality holographic images ever achieved, the scientists said. Study lead researcher Lei Wang, a Ph.D. student at the ANU Research School of Physics and Engineering, said he first learned about the concept of holographic imaging from the "Star Wars" movies. However, these futuristic-looking 3D images could be used for more practical ends than sending messages from a galaxy far, far away. [Photos: Microsoft's HoloLens …show more content…
Photographs and computer screens display information only in 2D, limiting views to flat images. Holograms, however, allow for the storage and reproduction of all information in 3D, and the technology relies on the ability to accurately manipulate light in three dimensions, the researchers said. The ANU invention uses a new nanomaterial to create the 3D projections. Millions of tiny silicon pillars, each up to 500 times thinner than a human hair, act as pixel projectors to create the light-based 3D images, said co-lead researcher Sergey Kruk, a professor at the ANU Research School of Physics and Engineering. "This new material is transparent, which means it loses minimal energy from the light, and it also does complex manipulations with light," Kruk said in the statement. In lab tests, the device created tiny holograms ranging in size from 0.03 inches to 0.2 inches (0.75 millimeters to 5 mm) wide, at a distance of 0.4 inches (10 mm). While the technology is not yet ready to replace computer screens, with further research, the device could lead to new and better holographic technologies, the scientists
Amelia Earhart was born on July 24, 1897, since she was a little girl she was always a hard worker and determined to stand out and be different from everyone. Her mother’s name was Amy Earhart, her father’s name was Edwin Earhart, and she had a sister named Grace Earhart. Amelia’s family was different from many other people’s family back then. Amelia and Amy liked to play ball, go fishing, and play outside looking for new adventures, other family’s would rather stay inside and play with toys and not get messy or spend time outside. Amelia’s parents always knew she was different from all the other kids, she always got made fun of in school, and she had a lot more determination
mass, the digital image will have quantum noise. When the collimation is increased, the quantum
An Ames room is a misshapen room that forms an optical illusion. Ames room was invented by a brilliant ophthalmologist named, Adelbert Ames, Jr in the year 1934. In 1946, the first Ames room was created which also happened to grasp the concept of a German scientist named, Hermann Von Helmholtz, in the late nineteenth century. The Ames room is also known as the “distorted room”, because the optical illusion violates the laws of physics. The Ames room uses a selective perceptual distortion that is named Honi Phenomenon, which happens to cause some people to perceive a less size distortion in the Ames room project. The Ames room has actually been used in real life projects such as movies, movies like Willy Wonka and the Chocolate Factory and in The Lord of The Rings trilogy use Ames rooms sets to replace the use of digital special effects to create the illusion of the hobbits as small compared to humans and many other characters.
Have you ever awoken from a dream yearning intensely that the dream had lasted for a few more seconds so you could have collected that last sparkly diamond from the treasure or saved your friend from drowning or kissed your crush? Fortunately, you are living in an era where you don’t have to live with this regret forever. You’ve got much more than you might imagine completing that dream you had woken up out of too early with so many options such as virtual reality, augmented reality, mixed reality, etc. The two of the hottest technologies today have to be augmented reality and virtual reality.
Niepce had created a heliograph, meaning “drawn by a sun.” It worked by loading a camera obscura with a pewter plate covered with bitumen of Judea, a black light-sensitive material that hardens when exposed to light. In order for an image to appear, the plate would’ve been exposed for 8 hours. Daguerre and Niepce had many experiments until they finally had the perfect camera. Step one in using the camera, was to coat a copper plate with silver, buffing it until smooth and free of any scratches.
Using 360° stereoscopic spherical video and 360 x 360 surround sound from professional VR video cameras can capture virtual reality environment. The virtual reality environment can be emerged in by the users using head-mounted displays.
In 1921, a 14-year-old Mormon from Idaho named Philo Farnsworth came up with an idea. While mowing hay in rows, Philo realized an electron beam could scan a picture in horizontal lines, reproducing the image almost instantaneously. Philo was not the only one with this idea. At the same time, Russian immigrant Vladimir Zworykin had also designed a camera that focused an image through a lens onto an array of photoelectric cells coating the end of a tube. The electrical image formed by ...
Augmented Reality and Virtual Reality are close cousins. Both of the technologies have gained much research and attention these days as well as promised substantial improvement. Though they both have the enormous capacity to alter our awareness of the world, they are distinct from each
So you may be wondering, what exactly is a hologram? The easiest way to describe it is a three dimensional picture. Like if you had a picture of a big marble, and had a smaller marble behind it you would not be able to look around the big marble to see the little one.
Augmented Reality challenged the dealers and producers to provide the customers with an interactive experience for shopping. LEGO was one such company that was successful in creating such an application. They created an augmented reality application, such that when it when the customer places the product in front of this machine, they could see the packaging of the desired model and also view a virtual 3D view of what it would look like when it is completed. This application is created using 2nd generation Intel core i7 processors which power the Digital Box Kiosks, which in turn produces striking 3D details of the products. This LEGO Digital Box Kiosks are available in all LEGO stores and also other large toy stores (Metaio GmbH, 2010).
...his concept could also be used to watch three dimensional video content or view three dimensional images. Many of these characteristics are exceedingly probable in the near future.
One of those systems is the head-mounted display. The HMD come is many shapes and sizes but is usually some sort of headgear usually like a large helmet that covers your entire head blocking out anything from your surroundings. The helmet contains two small screens, one for each eye, which display slightly different images based on what that eye would be seeing in reality. On top of the helmet is a device that tracks your head’s movements. This device signals your head’s movements relative to a stationary tracking device. The device picks up your head’s movements and relays them to the computer. The computer then updates the images in your helmet to reflect your new orientation. In addition to this visual simulation, this system also uses sound to create the feeling of three-dimensionality. Headphones let in stereophonic sound or 3D sounds. These sounds are not only of things near you but also of everything surrounding you in various locations and at various distances. A type of head-mounted display that is currently being deverloped is the Oculus Rift. The Oculus Rift is an attempt to create a more effective device that could also be inexpensive for gamers. It would feature improved head tracking, positional tracking, 1080p resolution, and it would be wireless.
Augmented reality actually has given a lot of contribution to various applications using 3D real environment. This review focuses on the medical visualization such in situ visualization device. The developed software will make an expert can contribute by create a real virtual environment in 3D so that the doctors easily to interact with. (Shuhaibar JH, 2004) defined augmented reality is a new approach in executing detailed surgical operations. More research needed to evaluate long-term clinical. It is important to have these technologies in order to create a human better life.
To summarize, the holography is not a very new technology nowadays, and it has history nearly half century. In last decade, human beings witness the innovation of technology from analogy to digitalization. There is no reason to leave holography along and not allow it to join. Fortunately, the computer generated holography (CGH) is developing rapidly, which could build and display holograms by computer without any other optical equipment. If there is a way could reduce the cost of holography and do not need expensive and precisely equipment anymore, holography will comes everyone’s life.
The application of VR in this sectors had been widely use and there are devices that had been developed for this purpose.