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A Tesla valve, called a valvular conduit by its inventor, is a fixed-geometry passive check valve. It allows a fluid to flow preferentially in one direction, without moving parts. The device is named after Nikola Tesla, who was awarded U.S. patent 1,329,559 in 1920 for its invention. The patent application describes the invention as follows:
The Lab. (video game) The Lab is a virtual reality (VR) video game developed by Valve and released for Windows on April 5, 2016. It uses VR technology to showcase a series of play experiences accessed through a hub room. The game is set in the Portal universe and offers eight different game types that involve short demo experiences that use ...
Dota 2 is a 2013 multiplayer online battle arena (MOBA) video game by Valve. The game is a sequel to Defense of the Ancients ( DotA ), a community-created mod for Blizzard Entertainment 's Warcraft III: Reign of Chaos. Dota 2 is played in matches between two teams of five players, with each team occupying and defending their own separate base ...
Portal 2 is a 2011 puzzle-platform game developed by Valve for Windows, Mac OS X, Linux, PlayStation 3, and Xbox 360. The digital PC version is distributed online by Valve's Steam service, while all retail editions were distributed by Electronic Arts. A port for the Nintendo Switch was included as part of Portal: Companion Collection .
A thermal expansion valve is a key element to a heat pump; this is the cycle that makes air conditioning, or air cooling, possible. A basic refrigeration cycle consists of four major elements: a compressor, a condenser, a metering device and an evaporator. As a refrigerant passes through a circuit containing these four elements, air ...
Source 2 is a video game engine developed by Valve. The engine was announced in 2015 as the successor to the original Source engine, with the first game to use it, Dota 2, being ported from Source that same year. Other Valve games, such as Artifact, Dota Underlords, Half-Life: Alyx, and Counter-Strike 2, have been produced with the engine.
Linux, Windows. Release. March 1, 2022. Genre (s) Action. Mode (s) Single-player. Aperture Desk Job is a 2022 action game by Valve. A spin-off of the Portal series, it was released concurrently with the Steam Deck as a tech demo showcasing the platform's controller functions.
Portal (series), a series of video games developed by Valve. Portal (video game), a 2007 video game, the first in the series. Portal 2, the 2011 sequel. Portal Stories: Mel, a mod for Portal 2. Portal Revolution, a mod for Portal 2. Portal Reloaded, a mod for Portal 2. Aperture Tag, a mod for Portal 2. Portal (1986 video game), a 1986 computer ...