▲ 578 ▼ USB inventor explains why the connector was not designed to be reversible (www.pcgamer.com) submitted 3 years ago by ooli@lemmy.world to c/technology@lemmy.world 255 comments fedilink hide all child comments
[–] isles@lemmy.world 158 points 3 years ago (9 children) EXPLAIN! permalink fedilink source hideshow 9 child comments replies: [–] Kichae@lemmy.ca 67 points 3 years ago (2 children) The picture explains itself. The cable exists in a 4-dimensional space. permalink fedilink source parent hideshow 2 child comments replies: [–] tetris11@kbin.social 14 points 3 years ago (1 child) The reply is pretty self-explanatory too. The cable exists in a 4-dimensional space. permalink fedilink source parent hideshow 1 child comment replies: [–] ConstipatedWatson@lemmy.world 18 points 3 years ago You guys joke about this, but he managed to create a connector with three sides: up, down, and "oh yeah the first side was the correct one" permalink fedilink source parent [–] rasensprenger@feddit.de 21 points 3 years ago (3 children) It doesn't necessarily need to be 4-dimensional https://en.m.wikipedia.org/wiki/Spinor permalink fedilink source parent hideshow 3 child comments replies: [–] morriscox@lemmy.world 7 points 3 years ago (1 child) That entry needs a ELI. permalink fedilink source parent hideshow 1 child comment replies: [–] KnightontheSun@lemmy.world 6 points 3 years ago* "In geometry and physics, spinors /spɪnər/ are elements of a complex number-based vector space that can be associated with Euclidean space.[b] A spinor transforms linearly when the Euclidean space is subjected to a slight (infinitesimal) rotation,[c] but unlike geometric vectors and tensors, a spinor transforms to its negative when the space rotates through 360° (see picture). It takes a rotation of 720° for a spinor to go back to its original state. This property characterizes spinors: spinors can be viewed as the "square roots" of vectors (although this is inaccurate and may be misleading; they are better viewed as "square roots" of sections of vector bundles – in the case of the exterior algebra bundle of the cotangent bundle, they thus become "square roots" of differential forms)." Seems pretty self-explanatory to me! /s permalink fedilink source parent [+] MonkderZweite@feddit.ch 1 point 3 years ago [deleted] permalink fedilink source parent [–] chaorace@lemmy.sdf.org 11 points 3 years ago USB-A is a spin-half connector type permalink fedilink source parent [–] Tosti@feddit.nl 8 points 3 years ago* (last edited 2 years ago) Purged by creator permalink fedilink source parent
[–] Kichae@lemmy.ca 67 points 3 years ago (2 children) The picture explains itself. The cable exists in a 4-dimensional space. permalink fedilink source parent hideshow 2 child comments replies: [–] tetris11@kbin.social 14 points 3 years ago (1 child) The reply is pretty self-explanatory too. The cable exists in a 4-dimensional space. permalink fedilink source parent hideshow 1 child comment replies: [–] ConstipatedWatson@lemmy.world 18 points 3 years ago You guys joke about this, but he managed to create a connector with three sides: up, down, and "oh yeah the first side was the correct one" permalink fedilink source parent
[–] tetris11@kbin.social 14 points 3 years ago (1 child) The reply is pretty self-explanatory too. The cable exists in a 4-dimensional space. permalink fedilink source parent hideshow 1 child comment replies: [–] ConstipatedWatson@lemmy.world 18 points 3 years ago You guys joke about this, but he managed to create a connector with three sides: up, down, and "oh yeah the first side was the correct one" permalink fedilink source parent
[–] ConstipatedWatson@lemmy.world 18 points 3 years ago You guys joke about this, but he managed to create a connector with three sides: up, down, and "oh yeah the first side was the correct one" permalink fedilink source parent
[–] rasensprenger@feddit.de 21 points 3 years ago (3 children) It doesn't necessarily need to be 4-dimensional https://en.m.wikipedia.org/wiki/Spinor permalink fedilink source parent hideshow 3 child comments replies: [–] morriscox@lemmy.world 7 points 3 years ago (1 child) That entry needs a ELI. permalink fedilink source parent hideshow 1 child comment replies: [–] KnightontheSun@lemmy.world 6 points 3 years ago* "In geometry and physics, spinors /spɪnər/ are elements of a complex number-based vector space that can be associated with Euclidean space.[b] A spinor transforms linearly when the Euclidean space is subjected to a slight (infinitesimal) rotation,[c] but unlike geometric vectors and tensors, a spinor transforms to its negative when the space rotates through 360° (see picture). It takes a rotation of 720° for a spinor to go back to its original state. This property characterizes spinors: spinors can be viewed as the "square roots" of vectors (although this is inaccurate and may be misleading; they are better viewed as "square roots" of sections of vector bundles – in the case of the exterior algebra bundle of the cotangent bundle, they thus become "square roots" of differential forms)." Seems pretty self-explanatory to me! /s permalink fedilink source parent [+] MonkderZweite@feddit.ch 1 point 3 years ago [deleted] permalink fedilink source parent
[–] morriscox@lemmy.world 7 points 3 years ago (1 child) That entry needs a ELI. permalink fedilink source parent hideshow 1 child comment replies: [–] KnightontheSun@lemmy.world 6 points 3 years ago* "In geometry and physics, spinors /spɪnər/ are elements of a complex number-based vector space that can be associated with Euclidean space.[b] A spinor transforms linearly when the Euclidean space is subjected to a slight (infinitesimal) rotation,[c] but unlike geometric vectors and tensors, a spinor transforms to its negative when the space rotates through 360° (see picture). It takes a rotation of 720° for a spinor to go back to its original state. This property characterizes spinors: spinors can be viewed as the "square roots" of vectors (although this is inaccurate and may be misleading; they are better viewed as "square roots" of sections of vector bundles – in the case of the exterior algebra bundle of the cotangent bundle, they thus become "square roots" of differential forms)." Seems pretty self-explanatory to me! /s permalink fedilink source parent
[–] KnightontheSun@lemmy.world 6 points 3 years ago* "In geometry and physics, spinors /spɪnər/ are elements of a complex number-based vector space that can be associated with Euclidean space.[b] A spinor transforms linearly when the Euclidean space is subjected to a slight (infinitesimal) rotation,[c] but unlike geometric vectors and tensors, a spinor transforms to its negative when the space rotates through 360° (see picture). It takes a rotation of 720° for a spinor to go back to its original state. This property characterizes spinors: spinors can be viewed as the "square roots" of vectors (although this is inaccurate and may be misleading; they are better viewed as "square roots" of sections of vector bundles – in the case of the exterior algebra bundle of the cotangent bundle, they thus become "square roots" of differential forms)." Seems pretty self-explanatory to me! /s permalink fedilink source parent
[–] chaorace@lemmy.sdf.org 11 points 3 years ago USB-A is a spin-half connector type permalink fedilink source parent
[–] Tosti@feddit.nl 8 points 3 years ago* (last edited 2 years ago) Purged by creator permalink fedilink source parent