Holograms are
not an esoteric topic for ardent sci-fi fans. Movies like Avengers, Avatar,
Iron Man and television shows like Star Wars and Star Trek have garnered a
large viewership base owing to their fascinating tryst with otherworldly
technological advancements. The idea of a 3D hologram technology was first introduced
in the movie ‘Star Wars’ in one of the most popular vintage sci-fi scenes where
the robot R2-D2 projected a 3-D image of Princess Leia pleading for help from
Obi-Wan Kenobi. Tony Stark’s lab, equipped with all the cutting edge
technological contraptions is an absolute wonderland of novel ideas to develop
some fascinating technological tools which have the potential to widen the
scope of advancements in all fields of life. As reported in Nature, some
engineers have developed a technique to perform a very basic 3-D hologram
projection. Although still far from the flawless sci-fi versions, this
fundamental discovery will definitely lead to the promotion of some central
prospects in the areas of artificial intelligence (AI), surgical techniques and


advancements in holographic technology:

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imagination makes such advanced technology look mundane. However, in the real
world, developing such intricate and superlative hologram technology or
volumetric displays has never been a cake-walk. After a great deal of research
and experimentation accompanied by a string of failures as well as moderately
successful attempts, a very primitive method has been developed. The first system
of ‘touchable holograms’ was successfully created by a team at Tokyo
University. Meanwhile, another major breakthrough has been the development of a
device that can transmit 3-dimensional images in close to real time. This
discovery may open up the interesting arena of telepresence technology.


Methods of
hologram creation:

The fastest 3D
motion hologram has been unveiled by a group of researchers from the University
of Arizona. The procedure operating behind this 3D motion hologram is all the
more remarkable. 16 cameras have been used to create a 45-degree 3-D image. Each
camera takes a different snapshot (360 degrees) and more the cameras, greater
the resolution of the image created. To tackle the issues related to the
refresh rates of the image, a special type of photo-refractive material is
applied on the screen which reacts chemically with the lasers used to create
the holographic images. The phenomenon of photophoresis is also being applied
to develop more nuanced 3D projections. In this, an intense beam of light is
used to direct and manipulate small, airborne particles. A group of researchers
at Brigham Young University, using an optically controlled barely visible
violet laser, trapped a cellulose particle and moved it rapidly through space. Coloured
lasers were then used to illuminate the swiftly moving particle. Patterns were
then traced out in the air with the assistance of this particle in motion.



and relevance of 3D technology

displays are one of the best ways to design digital content to suit human-compatibility.
The revolutionary concept of holographic telepresence will prove to be of prime
importance in marketing campaigns. Holograms will also have a profound effect on
the qualitative improvement of training,
design, and visualization in enterprises. The ability to display spatial relationships with much precision will
provide substantial assistance. 3D visualizations would be of great help to the
physicians during complex surgical procedures where accuracy is of major
importance. High-resolution MRI image of the data can be easily obtained
through this technology thus, bringing a positive transformation in the field
of medicine.

Moreover, the
exact impact of holographic technology on our view of the universe, nature, and
humankind still remains to be discovered. Will it equip us to explore the
unmapped perceptions of science and universe? Will it enable us to develop a clearer
understanding of the holographic nature? Indeed, a pattern can be safely
predicted only after the major breakthrough discoveries become a part of the
practical experimentation in real-life situations.





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