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Virtual Dictionary

External Light Block

External light block refers to the necessity in full VR immersion stereoscopic HMDs to block out all light sources from the physical world, via a flexible mask frame that fills any gaps between the HMD and the user?s head. In this way, their sole source of visual illumination is coming from the virtual environment, and greatly aids belief that they are in that world.

See Also: HMD

Below, we offer a selection of links from our resource databases which may match this term.



Related Dictionary Entries for External Light Block:

External Light Block


 

Resources in our database matching the Term External Light Block:

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At CES 2009, Nvidea unveiled a system of active glasses. Specifically, shutter glasses. The frames alternate polarisation to block light out every second frame, so that each eye gets half the screen update rate of any normal monitor, but will work with a normal output stream just fine.





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Concept of Self - Exposed?
Proprioception may not be the stumbling block to true immersion we have always considered it to be.



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Large Image Display: Animatrix: Beyond: A Broken, Glowing Light
n a broken part of the ruin of an area of heavy file corruption, a light flickers. Upon closer inspection, it's a broken light bulb, hanging from a rusty chain. Yet every so often, the ghost of an intact bulb, shinning brightly, overlays the broken one perfectly.



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VR Cultural Icons: Lightcycles
Light cycles are an icon of VR, that crop up again and again, in all manner of media. Two-wheeled motorcycles that leave a solid wall of light behind them, as a type of exhaust.



This book demonstrates how bio-inspiration can lead to fully autonomous flying robots without relying on external aids. Most existing aerial robots fly in open skies, far from obstacles, and rely on external beacons ? mainly GPS ? to localise and navigate. However, these robots are not able to fly at low altitude or in confined environments, and yet this poses absolutely no difficulty to insects. Indeed, flying insects display efficient flight control capabilities in complex environments despite their limited weight and relatively tiny brain size.





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The Real Virtual Light
Virtual Light, a term coined to describe seeing without eyes, is something that has been semi-mythical for decades, whilst research quietly moves forwards. Now, we are starting to see a convergence of the technologies vital to making it a reality.



Announced just one day after the Nintendo Wii itself, at E3 2006?s second day, the Nintendi Wii light-gun attachment connects directly to the back of the Nintendo Wii-mote immersion controller.





Virtual Light is classic Cyberpunk in every sense: it is dark, and gritty, a surreal near-future world that sets you on edge, and both the main characters have sunk as low as it is possible to go, before attempting to change the world for the better.





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Connecting Twitter to a Light Display
An augmented reality exercise for the London Olympics - connect the lights of the London Eye up to twitter, and scan all the feeds simultaneously for mentions of them. Positive toned comments light bulbs. Negative toned comments turn bulbs off.



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Cameras Without Lenses
It sounds odd to think of cameras without lenses to focus the light, because cameras have continually been created with intent to replicate the eye, and the eye has a lens. Without a lens, how do you focus light? Well you don't, but that's ok, because you don't have to.



 

Industry News containing the Term External Light Block:

Results by page

(27/11/2012)
Development plans for 300 places around the world are being modelled in Minecraft so residents can help decide how the locations will change.

Called Block by Block, the programme is part of a collaboration between Minecraft-m...


(30/09/2011)
A nanoscale game of "now you see it, now you don't" may contribute to the creation of metamaterials with useful optical properties that can be actively controlled, according to scientists at Rice University.

A Rice laborat...


(25/03/2010)
Want to catch the colours of a rainbow? Then cameras need to ditch their colander-like image sensors. That's the basic idea behind a new sensor which claims to capture unparalleled amounts of light and colour.

Nanoengineer T...


(23/12/2008)
Jeffrey Olsen at the University of Colorado Hospital has invented a better solution for people with impaired vision due to damaged retinas, by using quantum dots to amplify the light that reaches the retina, using the eye's still functioni...


(15/11/2011)
Managing light to carry computer data, such as text, audio and video, is possible today with laser light beams that are guided along a fibre-optic cable. These waves consist of countless billions of photons, which carry information down the...