Hologram
The hologram or holographic projection is an imaging technology to create a virtuall, three-dimensional object out on an empty space. Invented in Confederate States of Earth, it has been used on several aspect of their society.
Holograms can be seen around the populous planet such as Conventum, one of the biggest manufacturers, It's such a cool technology with no harm except their wallets - the further the capital, the more expensive it is.
Nevertheless, the projectors can be sought on via the Farland Company, the private merchant association. Most of them ain't required DSC connection so every machine can be used freely without confederation restrictions, as the creators were initiated.
It is sought in detachable components or completely standalone machines.
Mechanism
The bare machine consists of an array of microscale lasers and a powerful processor. These will eject laser beams to intersect each other in order to make three-dimensional voxels. With many of them combined, it will create a glistening object free-floating in the air.
This technique also allows the user to interact with the image. The best way to interact it is to use Holostylus, the multi-purpose drawing tool. It can be connected seamlessly without any calibration. Holosytus also comes with a built-in projector for a personal notebook.
The image color can also be varied, but most of them have light blue tints with mild light emission. The projector with true color hologram and natural lighting is considered the best and without a doubt, the most expensive.
It is impossible for one person to build even its component without high-tech assembly and high funding, and so it is mostly manufactured by wealthy organization.
The hologram was invented during the early confederation - about a first hundred years after the end of the Foundation War. The development took a few decades before public. It's been used for political reasons before it was distributed for commercial uses.
The first ever projector had been used for a span of an estimasted thousand years.
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Nice article! Of course there would be bloody kilometres-long infomercial... How common the use of hologram is, with how expensive it is? do normal people have access to it or is it mostly big companies and politicians?
Sorry for the very late reply, but thank you! Most people usually use holograms for entertainment and commercial reasons. The nearer the capital, the more frequent users, and the cheaper the devices. Despite the possibility it has, some people might value the traditional way rather than the digital one depending on which societies you found in the galaxy. Hologram requires many parts that are manufacturers' secret, so it depends on how the people purchase these. Standalone devices are more expensive than assembling parts by parts, and the larger it can project something, the more money to buy. People can access holograms in various ways: Buying premade gadgets such as maps and styluses, finding the broken one and reprogramming it, or what the wealthy and companies might prefer - commissioning the custom device directly from the manufacturer. Although it can be used independently, many Hologram applications commonly found require the galactic internet in order to use it at full potential, so most of the holograms are commonly found within the range of such network itself.