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Two photographs of a single hologram taken from different viewpoints. Holography is a technique that enables a wavefront to be recorded and later reconstructed. It is best known as a method of generating three-dimensional images, and has a wide range of other uses, including data storage, microscopy, and interferometry.
The holographic principle is a property of string theories and a supposed property of quantum gravity that states that the description of a volume of space can be thought of as encoded on a lower-dimensional boundary to the region – such as a light-like boundary like a gravitational horizon.
Embossed holograms are used widely on credit cards, banknotes, and high value products for authentication purposes. [3] It is possible to print holograms directly into steel using a sheet explosive charge to create the required surface relief. [15] The Royal Canadian Mint produces holographic gold and silver coinage through a complex stamping ...
The space-time duality establishes a direct relationship between the problems of paraxial diffraction and narrow-band dispersion. The electronic or magnetic equation of wave is constructed from the Maxwell's equation. For obtaining a general solution, the space-time evolution of an arbitrary waveform should be described, which is a hard task.
Addressing simultaneously distinct domains of the temporal and spatial bandwidth of holograms was performed with success for angular, [8] wavelength, [9] [10] space-division, [11] polarization, [12] and sideband [13] [14] multiplexing schemes. Digital holograms can be numerically multiplexed and demultiplexed for efficient storage and transmission.
Edgar D. Mitchell and Robert Staretz developed a quantum hologram theory of consciousness which views information as being as fundamental to the universe as matter or energy. This theory hypothesizes that all material objects as well as organisms store information, and that objects emit waves containing information which can be recognized and ...
Hisense's Giant 136-inch TV. Hisense is the frontrunner in the massive TV for consumers space race. Last year, I reviewed the larger than life 110 inch QLED, and it was remarkable.Now, it's ...
It would be the first proof that space-time, the fabric of the universe, is quantized." [ 1 ] Holometer has started, in 2014, collecting data that will help determine whether the universe fits the holographic principle . [ 4 ]