Tractor beam (original) (raw)

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En science-fiction, un rayon tracteur déplace un ou plusieurs objets à distance, comme un grappin géant.

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dbo:abstract Ein Traktorstrahl (von lateinisch trahere „ziehen“) ist ein fiktives, von einem entsprechenden Projektor ausgestrahltes, gebündeltes Kraftfeld, welches auf ein Zielobjekt fokussiert wird und imstande ist, dieses ähnlich einem Schleppseil räumlich in bestimmter Entfernung zum Projektor zu halten, beziehungsweise es auf die Position des Projektors heranzuziehen. Traktorstrahlen würden also wie starke magnetische Anziehung oder künstliche direktionale Schwerkraft wirken. Auch wenn die Idee des Traktorstrahls in der Science-Fiction-Literatur seit langem vorkommt, gibt es in der realen Wissenschaft und Technik heute nur erste Ansätze dazu, darunter die Technik der optischen Pinzette. (de) En science-fiction, un rayon tracteur déplace un ou plusieurs objets à distance, comme un grappin géant. (fr) A tractor-beam is a device with the ability to attract one object to another from a distance. The concept originates in fiction: The term was coined by E. E. Smith (an update of his earlier "attractor-beam") in his novel Spacehounds of IPC (1931). Since the 1990s, technology and research has labored to make it a reality, and have had some success on a microscopic level. Less commonly, a similar beam that repels is called a pressor beam or repulsor-beam. Gravity impulse and gravity propulsion beams are traditionally areas of research from fringe physics that coincide with the concepts of tractor and repulsor-beams. (en) Il raggio traente è un'ipotetica tecnologia che permette di attrarre o spostare un oggetto a distanza, senza contatto fisico. Il raggio traente è frequentemente usato nei romanzi e film di fantascienza. Un analogo raggio che serve per respingere è chiamato raggio repulsivo. I raggi traenti sono comunemente utilizzati nelle astronavi o nelle stazioni spaziali, come dispositivo per movimentare merci, passeggeri, navette ecc., o per evitare la fuga di navi nemiche (analogo dei grappini di abbordaggio nelle navi). (it) Trekstraal (Engels: tractor beam) is een fictief apparaat uit de sciencefictionwereld. De trekstraal werd waarschijnlijk bedacht door de Amerikaanse sciencefictionschrijver E.E. Smith (Space Hounds of IPC, 1931 en Triplanetary, 1934). (nl) En dragstråle eller traktorstråle (engelska: tractor beam) är en hypotetisk metod att förflytta föremål i olika riktningar. Begreppet myntades av i romanen från 1931. Sedan 1990-talet har teknik och forskning använts för att försöka göra fenomenet till verklighet. Det enda resultat som hittills nåtts är dock små framgångar på mikroskopisk nivå. (sv) 牵引光束是用一种设备远距离的将一个物体移动一段距离的方法 。它通过科幻电视剧集《星舰迷航》而广为人知。1990年代以来,科学家一直试图在技术上实现,但是研究进展非常缓慢,而且还仅仅停留在微观层面,例如用激光束牵引盐粒大小的物体 。实现牵引光束的一种方法是利用光子在路径中碰到一个物体时会对物体施加一个力的原理。 (zh)
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rdfs:comment En science-fiction, un rayon tracteur déplace un ou plusieurs objets à distance, comme un grappin géant. (fr) A tractor-beam is a device with the ability to attract one object to another from a distance. The concept originates in fiction: The term was coined by E. E. Smith (an update of his earlier "attractor-beam") in his novel Spacehounds of IPC (1931). Since the 1990s, technology and research has labored to make it a reality, and have had some success on a microscopic level. Less commonly, a similar beam that repels is called a pressor beam or repulsor-beam. Gravity impulse and gravity propulsion beams are traditionally areas of research from fringe physics that coincide with the concepts of tractor and repulsor-beams. (en) Il raggio traente è un'ipotetica tecnologia che permette di attrarre o spostare un oggetto a distanza, senza contatto fisico. Il raggio traente è frequentemente usato nei romanzi e film di fantascienza. Un analogo raggio che serve per respingere è chiamato raggio repulsivo. I raggi traenti sono comunemente utilizzati nelle astronavi o nelle stazioni spaziali, come dispositivo per movimentare merci, passeggeri, navette ecc., o per evitare la fuga di navi nemiche (analogo dei grappini di abbordaggio nelle navi). (it) Trekstraal (Engels: tractor beam) is een fictief apparaat uit de sciencefictionwereld. De trekstraal werd waarschijnlijk bedacht door de Amerikaanse sciencefictionschrijver E.E. Smith (Space Hounds of IPC, 1931 en Triplanetary, 1934). (nl) En dragstråle eller traktorstråle (engelska: tractor beam) är en hypotetisk metod att förflytta föremål i olika riktningar. Begreppet myntades av i romanen från 1931. Sedan 1990-talet har teknik och forskning använts för att försöka göra fenomenet till verklighet. Det enda resultat som hittills nåtts är dock små framgångar på mikroskopisk nivå. (sv) 牵引光束是用一种设备远距离的将一个物体移动一段距离的方法 。它通过科幻电视剧集《星舰迷航》而广为人知。1990年代以来,科学家一直试图在技术上实现,但是研究进展非常缓慢,而且还仅仅停留在微观层面,例如用激光束牵引盐粒大小的物体 。实现牵引光束的一种方法是利用光子在路径中碰到一个物体时会对物体施加一个力的原理。 (zh) Ein Traktorstrahl (von lateinisch trahere „ziehen“) ist ein fiktives, von einem entsprechenden Projektor ausgestrahltes, gebündeltes Kraftfeld, welches auf ein Zielobjekt fokussiert wird und imstande ist, dieses ähnlich einem Schleppseil räumlich in bestimmter Entfernung zum Projektor zu halten, beziehungsweise es auf die Position des Projektors heranzuziehen. Traktorstrahlen würden also wie starke magnetische Anziehung oder künstliche direktionale Schwerkraft wirken. (de)
rdfs:label Vlečný paprsek (cs) Traktorstrahl (de) Rayon tracteur (fr) Raggio traente (it) Trekstraal (nl) Tractor beam (en) Dragstråle (sv) 牵引光束 (zh)
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