28OCT 2020
Hologram Printing

Hologram Printing

This is an example of an inkjet printed rainbow hologram. Credit: ITMO University Vivid holographic images and text can now be produced by means of an ordinary inkjet printer. This new method, developed by a team of scientists from ITMO University in Saint Petersburg, is expected to significantly reduce the cost and time needed to create the so-called rainbow holograms, commonly…

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22OCT 2020
Holographic 3D

Holographic 3D

“Help me Obi-Wan Kenobi, you’re my only hope.” Save for lightsabers, traveling at the speed of light and jittery robot sidekicks, perhaps the most memorable technology in the original Star Wars movie was the three-dimensional hologram of Princess Leia. Scientists have been trying to turn this fiction…
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16OCT 2020
Transmission Holography

Transmission Holography

2. About Transmission Holograms Transmission holograms represent one of the two major types of holograms, the other being reflection holograms. All other holograms (rainbow holograms, computer generated holograms, multi-channel holograms, computer-generated holograms, etc.) are actually variations or…
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10OCT 2020
Define Diffraction-grating

Define Diffraction-grating

Single focusing/dispersing optic for cost-effective VUV optical systems The holographic recording process – a non-contact manufacturing technique – allows for the patterning of gratings on aspheric surfaces. HORIBA Jobin Yvon has developed manufacturing methods to define, produce, and test diffraction gratings on toroidal substrates. Toroidal gratings combine the off-axis focusing…

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04OCT 2020
Yugioh Holograms

Yugioh Holograms

1st Edition English 1st Edition Other names French: 1ère Édition German: 1. Auflage Italian : 1ª Edizione Korean : 1st Edition Portuguese: 1ª Edição Spanish: 1ª Edición 1st Edition cards are printed in every Booster Pack series for a limited period, after which, cards replace them. The bottom right hand Eye of Anubis Hologram is also gold instead of silver. They also seem to have…

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27SEP 2020
Best 3D phone

Best 3D phone

HTC EVO 3DThe past year has been an exciting time for mobile phones. We ve seen an abundance of phones with dual-core processors, 4G connectivity, and bigger and better displays-all of which has led up to the first wave of 3D smartphones. Sprint has introduced the HTC EVO 3D, and LG has unveiled the Optimus 3D, which will be rebranded as the Thrill 4G on AT&T. Both are incredibly…

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21SEP 2020
Human Holograms

Human Holograms

CNN s Wolf Blitzer speaks with correspondent Jessica Yellin, who was beamed into the New York studio from Chicago. CNN.com Update 11:00 a.m. PST : Several readers have pointed out that CNN s technology was not true holography, and the story has been updated to reflect this. Holy holograms, was that Princess Leia on CNN during election night? No, it was just Jessica Yellin, a CNN…

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15SEP 2020
Holographic Universe Theory

Holographic Universe Theory

What if our 4D Universe (height, length, depth, and time) isn’t actually 4D? Enter the holographic principle—the craziest thing you’ll read about today. The Universe we inhabit seems to be four-dimensional: the three dimensions of height, length, and depth, along with time. Together those are known as spacetime, which is the background of our successful theories describing the forces…

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09SEP 2020
Diffraction Gratings efficiency

Diffraction Gratings efficiency

App: Measuring the Diffraction Efficiency of a Wire Grating

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