Usually there are rules and goals, but in more open-ended games the player may be free to do whatever they like within the confines of the virtual universe.

Eventually, this site will serve as the foundation for a new universe of virtual worlds, all of which will use a common set of open source tools, and one that will make it possible for a diverse collection of developers, instructors and others to collaborate in the design, evaluation, and use of such learning systems while providing the option for learners and educational institutions to choose among competing approaches.

Science fiction often employs this theme ( usually without the dream-world being " another " universe ) in the ideas of cyberspace and virtual reality.

They are looking for Zarniwoop, who has gone on an intergalactic cruise in his office via his virtual universe.

Zarniwoop explains that the Total Perspective Vortex has not malfunctioned — this is a virtual universe created by Zarniwoop for the sole benefit of Zaphod, who is the most important creature in this universe.

This concept has been said to have implications for mind uploading or mind transference, as it indirectly addresses the question of whether an exact replica of one's brain patterns created within an alternate brain, an android brain, or a virtual universe is the same being as the person it was copied from, or another being entirely.

As an illustration of the principle, if people lived in a virtual reality universe, they could see birds in the trees that aren't really there.

Using a powerful virtual computer made of light beams ( Luminous ), they are able to map and shape the boundary between the near-side and far-side mathematics, leading to a showdown with real consequences in the physical universe.

Words Made Flesh ( 1987 ) is written from a more philosophical point of view and notable for its original outline of the " information model " theory of magic that our universe could be a virtual reality — as later explored in The Matrix.

In a remarkable display of power, Franklin subconsciously created his own pocket universe, encompassing a virtual replica of Earth-616.

** Mid to late 21st Century-Eventually virtual immersion will probably lead to virtual worlds ( collectively known as the virtual universe ) that people can enter.

* An imaginary virtual reality universe in Sergey Lukyanenko's science fiction novels

Users assign themselves a name, log into the Active Worlds universe, and explore 3D virtual worlds and environments that other users have built.

In the mini-series U. S. War Machine, set in an alternate universe, Darkhawk was a psychopathic android, which could only be controlled by running a virtual reality program.

Entropia Universe is a massively multiplayer online virtual universe designed by the Swedish software company MindArk, based in Gothenburg.

* Using the service as a 3-D virtual chat room or exploring the virtual universe.

The word metaverse is a portmanteau of the prefix " meta " ( meaning " beyond ") and " universe " and is typically used to describe the concept of a future iteration of the internet, made up of persistent, shared, 3D virtual spaces linked into a perceived virtual universe.

Conceptually, the Metaverse describes a future internet of persistent, shared, 3D virtual spaces linked into a perceived virtual universe, but common standards, interfaces, and communication protocols between and among virtual environment systems are still in development.

Now omitting for a moment some recent developments we can say the Saxon Shore hypothesis of Lappenberg and Kemble has undergone virtual eclipse in this century.

If the traffic on a virtual circuit is exceeding its traffic contract, as determined by the GCRA, the network can either drop the cells or mark the Cell Loss Priority ( CLP ) bit ( to identify a cell as potentially redundant ).

ATM can build virtual circuits and virtual paths either statically or dynamically.

It can be a permanent virtual circuit ( PVC ), which is created administratively on the end points, or a switched virtual circuit ( SVC ), which is created as needed by the communicating parties.

Some virtual communities explicitly refer to the concept of cyberspace, for example Linden Lab calling their customers " Residents " of Second Life, while all such communities can be positioned " in cyberspace " for explanatory and comparative purposes ( as did Sterling in The Hacker Crackdown, followed by many journalists ), integrating the metaphor into a wider cyber-culture.

Although the Casimir effect can be expressed in terms of virtual particles interacting with the objects, it is best described and more easily calculated in terms of the zero-point energy of a quantized field in the intervening space between the objects.

Thus it can be interpreted without any reference to the zero-point energy ( vacuum energy ) or virtual particles of quantum fields.

Implementations can implement a smaller virtual address space with a minimum size of 43 bits.

Instead of enabling the guest operating system to dialog with hardware, virtual device drivers take the opposite role and emulate a piece of hardware, so that the guest operating system and its drivers running inside a virtual machine can have the illusion of accessing real hardware.

The virtual device driver can also send simulated processor-level events like interrupts into the virtual machine.

The best example for virtual device drivers can be " Daemon Tools ".

In quantum electrodynamics, electromagnetic interactions between charged particles can be calculated using the method of Feynman diagrams, in which we picture messenger particles called virtual photons being exchanged between charged particles.

Immersive virtual musical instruments, or immersive virtual instruments for music and sound aim to represent musical events and sound parameters in a virtual reality so that they can be perceived not only through auditory feedback but also visually in 3D and possibly through tactile as well as haptic feedback, allowing the development of novel interaction metaphors beyond manipulation such as prehension.

Because items can be traded within the game and also because of illegal online trading on websites, virtual currency to real currency exchange rates have been calculated.

and tags can also download and install Java virtual machine ( if required ) or at least lead to the plugin page.

Typically, multiple pending message-signalled interrupts with the same message ( the same virtual interrupt line ) are allowed to merge, just as closely spaced edge-triggered interrupts can merge.

A Java virtual machine ( JVM ) is a virtual machine that can execute Java bytecode.

Some of these instruments produce a virtual image when applied to the human eye ; others produce a real image which can be captured on photographic film or an optical sensor, or can be viewed on a screen.

See also the on-screen virtual keyset at Teague Labs.

DARPA also funded the development of the Douglas Engelbart's NLS computer system and The Mother of All Demos ; and the Aspen Movie Map, which was probably the first hypermedia system and an important precursor of virtual reality.

They were particularly interested in virtual reality ( particularly the BattleTech Centers / Virtual World ) but also developed desktop computer games.

In addition to improved capabilities given to native applications, Windows also allowed users to better multitask older MS-DOS based software compared to Windows / 386, thanks to the introduction of virtual memory.

The virtual memory capabilities also allowed the system to support virtual machines ; the VM / 370 hypervisor would run one or more virtual machines running either standard System / 360 or System / 370 operating systems or the single-user Conversational Monitor System ( CMS ).

They were also published in book form and became a virtual debater ’ s handbook for the supporters of the Constitution in the ratifying conventions.

In the military ( and also the Police and GSU ), there is a virtual monopoly of President Moi ’ s ethnic group, the Kalenjin, in the top brass.

The first one Jaxon Xavier ( played by Andy Berman ) who was also a top scientist in one of Lex's companies called Lex Labs, entrapped Lois and Clark in a virtual reality world to steal information for mind control before the two with the help of Jimmy Olsen tricked him into letting them out by stealing his wrist watch escape window leaving him stranded.

MINIX 3 also has support for virtual memory management, making it suitable for desktop OS use.

C ++ also allows a single instance of the multiple class to be created via the virtual inheritance mechanism ( i. e. " Worker :: Human " and " Musician :: Human " will reference the same object ).

It can perform up to 8 times as fast as a DEC KL-10, and it also supports more physical memory, a larger virtual address space, and more modern input / output devices.

The MS-20ic controller includes patch cables that can be used to control signal routing in their virtual reproduction of the MS-20 synthesizer, and can also control third-party devices.

The R4000 has an advanced TLB where the entry contains not just virtual address but also the virtual address space id.

The 68000 was also unable to easily support virtual memory, which requires the ability to trap and recover from a failed memory access.

In other cases, each child window is also a parent window, forming a new, " virtual " MDI.