• Tokyo Azure Meetup #6 - Azure Machine Learning with Microsoft Dynamics

    Microsoft Azure Monthly Update, June 2016 Azure Machine Learning with Microsoft Dynamics

    published: 30 Jun 2016
  • Dynamic projection mapping onto deforming non-rigid surface

    We realize dynamic projection mapping onto deforming non-rigid surface based on two original technologies. The first technology is a high-speed projector "DynaFlash" that can project 8-bit images up to 1,000 fps with 3 ms delay. The second technology is a high-speed non-rigid surface tracking at 1,000 fps. Since the projection and sensing are operated at a speed of 1,000 fps, a human cannot perceive any misalignment between the dynamically-deforming target and the projected images. Especially, focusing on new paradigms in the field of user interface and fashion, we have demonstrated dynamic projection mapping onto a deformed sheet of paper and T-shirt. Also we show that projection to multiple targets can be controlled flexibly by using our recognition technique. http://www.k2.t.u-tokyo.ac...

    published: 19 Oct 2016
  • BB Dynamics: Dual Tokyo Mauri MK23 Action!

    Karl (Cider) Using 2 Dual Tokyo Mauri MK23's at DMZ Airsoft! If you have questions to find out more about our videos or where to get the MK23 comment and Subscribe! Thanks!

    published: 26 May 2016
  • Tokyo system dynamics conference, 2014. Welcome

    Welcome and Introduction by Professor Akira Uchino and Professor Yutaka Takahashi to the Asia-Pacific System Dynamics Conference 22-24 February, 2014 at Senshu University, Tokyo, Japan

    published: 02 Mar 2014
  • Free - KOTELNIKOV - Dynamics Processor TOKYO DAWN LABS - Audio Plug-in

    http://www.tokyodawn.net/tdr-kotelnikov/ "TDR Kotelnikov is a wideband dynamics processor combining high fidelity dynamic range control with deep musical flexibility. As a descendant of the venerable TDR Feedback Compressor product family, Kotelnikov has directly inherited several unique features such as a proven control scheme, individual release control for peak and RMS content, an intuitive user interface, and powerful, state of the art, high-precision algorithms.” - TDR

    published: 02 Sep 2015
  • 仙台の交通流のダイナミクス - Traffic flow dynamics in Sendai, Miyagi, Tokyo

    The dynamics of traffic flow of weekdays in Sendai. The left-hand side picture indicates the zoom of the central area indicated by a blue rectangle in the right-hand side picture. The width and color of each link shows: - width: traffic volume (# of vehicle / time) - color (from green to purple): traffic density (# of vehicle / length) The traffic data is provided by JARTIC (Japan Road Traffic Information Center).

    published: 15 Feb 2017
  • 変化の時代に求められる業務アプリ Microsoft Dynamics AX : Soup Stock Tokyo 様導入事例

    Soup Stock Tokyo ではクラウド ERP である Microsoft Dynamics AX が使用されています。短期間で構築でき、タブレットや PC などの業務に合ったデバイスから使用できます。 ・カスタマイズ開発期間は 2 か月半程度 ・変化の早い業界では、システム開発に時間をかけている場合ではない ・標準的なインターフェイスでデータアクセスが可能、開発工数削減、他システムと連携しやすい ・環境構築が数クリックで可能 ・クラウドの活用でコストを大幅に削減 ・情報があることで現場スタッフが新たな売り方を創り出していける このようなことを実現した、ERP です。 詳しくはこちらをご覧ください。 https://www.microsoft.com/ja-jp/dynamics/erp-ax-overview.aspx

    published: 17 May 2016
  • Dynamic target tracking camera system keeps its eye on the ball #DigInfo

    High speed dynamic target tracking camera system keeps its eye on the ball (http://www.diginfo.tv/v/13-0049-r-en.php) 13/6/2013 SSII2013 The University of Tokyo Stationary Observation System for High-speed Flying Objects Lumipen: Projection Mapping on a Moving Object - http://www.youtube.com/watch?v=ZuSUHuSceYc 1ms Auto Pan-Tilt for perfect recentering - http://www.youtube.com/watch?v=9Q_lcFZOgVo DigInfo TV - http://www.diginfo.tv

    published: 18 Jun 2013
  • Security Dynamics in East Asia

    Last month, China and Japan held their first high-level security talks in four years, following recent tensions over territorial and historical issues. Given the significant role of both countries in East Asia, a deteriorating Japan-China relationship would have a detrimental impact on the security environment of the region. As Tokyo has strong security ties with the United States, a Japan-China conflict could also have unpredictable consequences for regional and global security. What are the roots of the countries’ volatile relationship and how can the political tensions be reduced? On April 24, 2015, the East Asia Program at the Swedish Institute of International Affairs and the European Institute of Japanese Studies at Stockholm School of Economics organized a seminar on the security d...

    published: 07 May 2015
  • Tokyo Idols - Japan Cuts 2017

    Tokyo Idols http://www.japansociety.org/event/tokyo-idols DOCUMENTARY FOCUS EAST COAST PREMIERE Video introduction with director Kyoko Miyake This revealing, thought-provoking new documentary by Kyoko Miyake traces the budding career of RioRio (the stage name of 19-year-old Rio Hiiragi), an aspiring pop singer climbing the ranks of stardom as an idol in Tokyo. One among 10,000 teenage girls considered idols, RioRio is part of a billion dollar industry and a unique, male-dominated otaku culture of obsession that has grown exponentially since the 1990s and gradually infiltrated mainstream Japanese popular culture. With a journalistic approach, Miyake uses RioRio’s journey (as well as that of her number one fan Koji, a 43-year-old former salaryman) as an opportunity to explore the multifa...

    published: 06 Jun 2017
  • 6 Things Every Robot Fan Needs To Do in Tokyo

    Japan is crazy about robotics, from the super advanced and bipedal to tiny robot bullet trains that deliver your sushi.

    published: 19 May 2017
  • Musculoskeletal Robot Driven by Multifilament Muscles

    Suzumori Endo Lab, Tokyo Tech has developed Musculoskeletal robot driven by multifilament muscles. Project members: Shunichi Kurumaya, Ryusuke Morita, Masatoshi Fukuda, Hiroyuki Nabae, Gen Endo, Koichi Suzumori. Shunichi Kurumaya, Koichi Suzumori, Hiroyuki Nabae, and Shuichi Wakimoto "Musculoskeletal lower-limb robot driven by multifilament muscles", ROBOMECH Journal. Sep. 2016. (Open Access) http://www.robomechjournal.com/content/3/1/18 Tokyo Tech News, "University-Born Venture Established for Thin, Flexible Artificial Muscle" rerated to this video is here: http://www.titech.ac.jp/english/news/2016/035340.html Our lab's URL is here (Japanese): http://www-robot.mes.titech.ac.jp/home.html This video can be used for informational purposes such as Internet Web pages. This general perm...

    published: 04 Jul 2016
  • Huge-Scale Molecular Dynamics Simulation of Multi-bubble Nuclei

    Blue Waters Symposium presentation: Project PI: Hiroshi Watanabe, The Institute for Solid State Physics, University of Tokyo

    published: 10 Jul 2014
  • Lumipen 2: Robust Tracking for Dynamic Projection Mapping

    Projection Mapping has recently generated much attention, and can be applied to areas such as performance art and human-computer interfaces. Projection Mapping typically targets static or semi-static objects, and few systems can deal with dynamic objects due to a large delay from measurement to projection. The delay results in significant misalignment in the case of dynamic objects, and leads to discomfort. In our laboratory, the Lumipen system (URL: https://www.youtube.com/watch?v=ZuSUHuSceYc) has been proposed to solve the time-geometric inconsistency caused by the delay when using dynamic objects. It consists of a projector and a high-speed optical axis controller with high-speed vision and mirrors, called Saccade Mirror (1ms Auto Pan-Tilt technology, URL: https://www.youtube.com/watc...

    published: 23 Mar 2015
  • ♫ Moskwa TV - Dynamics & Discipline (Complete Album)

    Playlist: https://goo.gl/phXVI8 Dynamics & Discipline [??/??/1985] G.E. Vinyl [Westside Music ‎#71002] TRACKLIST: 00:00 - 01. Generator 7/8 (6'19'') 06:18 - 02. Absolute Fashion (4'58'') 11:16 - 03. My Second Voice (3'45'') 15:02 - 04. Futuristic Dance (5'14'') 20:16 - 05. Tekno Talk (6'20'') 26:37 - 06. Radio And TV (6'22'') 32:59 - 07. Operator Z (4'32'') 37:33 - 08. Tokyo Jam (3'50'') 41:21 - 09. Generator 7/8 [Remix] (6'23'') Written By Axel Henninger, Tomalla, Veil, Omvik, Ader, Boncaldo, Henrich & Carrasco Published By Melodie Der Welt & Televis S.R.L.

    published: 04 Oct 2016
  • Smoothed Particle Hydrodynamics (SPH) : Fluid Simulation

    Smoothed particle hydrodynamics (SPH) in java If you need any details about processing algorithm, please do not hesitate to contact me. 2015/11/14 I finally uploaded the souce code to Github (https://github.com/watch3602004/SPH_iga). Please keep in mind I am NOT a researcher in computational fluid dynamics, or a professional programmer. I strongly recommend you to read the original paper, and build your own program. --References-- Monaghan(2005), Morris(2000), Muller(2003), Yu(2010), Taketani(2013), Becker(2007), Clagrossi(2003) https://github.com/takagi/blog-codes/... -- 2014/05/10 IGA (Tokyo Institute of Technology)

    published: 10 May 2014
Tokyo Azure Meetup #6 - Azure Machine Learning with Microsoft Dynamics

Tokyo Azure Meetup #6 - Azure Machine Learning with Microsoft Dynamics

  • Order:
  • Duration: 1:29:20
  • Updated: 30 Jun 2016
  • views: 26
videos https://wn.com/Tokyo_Azure_Meetup_6_Azure_Machine_Learning_With_Microsoft_Dynamics
Dynamic projection mapping onto deforming non-rigid surface

Dynamic projection mapping onto deforming non-rigid surface

  • Order:
  • Duration: 1:04
  • Updated: 19 Oct 2016
  • views: 809245
videos
We realize dynamic projection mapping onto deforming non-rigid surface based on two original technologies. The first technology is a high-speed projector "DynaFlash" that can project 8-bit images up to 1,000 fps with 3 ms delay. The second technology is a high-speed non-rigid surface tracking at 1,000 fps. Since the projection and sensing are operated at a speed of 1,000 fps, a human cannot perceive any misalignment between the dynamically-deforming target and the projected images. Especially, focusing on new paradigms in the field of user interface and fashion, we have demonstrated dynamic projection mapping onto a deformed sheet of paper and T-shirt. Also we show that projection to multiple targets can be controlled flexibly by using our recognition technique. http://www.k2.t.u-tokyo.ac.jp/vision/DPM/
https://wn.com/Dynamic_Projection_Mapping_Onto_Deforming_Non_Rigid_Surface
BB Dynamics: Dual Tokyo Mauri MK23 Action!

BB Dynamics: Dual Tokyo Mauri MK23 Action!

  • Order:
  • Duration: 4:09
  • Updated: 26 May 2016
  • views: 66
videos
Karl (Cider) Using 2 Dual Tokyo Mauri MK23's at DMZ Airsoft! If you have questions to find out more about our videos or where to get the MK23 comment and Subscribe! Thanks!
https://wn.com/Bb_Dynamics_Dual_Tokyo_Mauri_Mk23_Action
Tokyo system dynamics conference, 2014. Welcome

Tokyo system dynamics conference, 2014. Welcome

  • Order:
  • Duration: 5:23
  • Updated: 02 Mar 2014
  • views: 223
videos https://wn.com/Tokyo_System_Dynamics_Conference,_2014._Welcome
Free - KOTELNIKOV - Dynamics Processor  TOKYO DAWN LABS - Audio Plug-in

Free - KOTELNIKOV - Dynamics Processor TOKYO DAWN LABS - Audio Plug-in

  • Order:
  • Duration: 3:25
  • Updated: 02 Sep 2015
  • views: 746
videos
http://www.tokyodawn.net/tdr-kotelnikov/ "TDR Kotelnikov is a wideband dynamics processor combining high fidelity dynamic range control with deep musical flexibility. As a descendant of the venerable TDR Feedback Compressor product family, Kotelnikov has directly inherited several unique features such as a proven control scheme, individual release control for peak and RMS content, an intuitive user interface, and powerful, state of the art, high-precision algorithms.” - TDR
https://wn.com/Free_Kotelnikov_Dynamics_Processor_Tokyo_Dawn_Labs_Audio_Plug_In
仙台の交通流のダイナミクス - Traffic flow dynamics in Sendai, Miyagi, Tokyo

仙台の交通流のダイナミクス - Traffic flow dynamics in Sendai, Miyagi, Tokyo

  • Order:
  • Duration: 1:13
  • Updated: 15 Feb 2017
  • views: 40
videos
The dynamics of traffic flow of weekdays in Sendai. The left-hand side picture indicates the zoom of the central area indicated by a blue rectangle in the right-hand side picture. The width and color of each link shows: - width: traffic volume (# of vehicle / time) - color (from green to purple): traffic density (# of vehicle / length) The traffic data is provided by JARTIC (Japan Road Traffic Information Center).
https://wn.com/仙台の交通流のダイナミクス_Traffic_Flow_Dynamics_In_Sendai,_Miyagi,_Tokyo
変化の時代に求められる業務アプリ Microsoft Dynamics AX : Soup Stock Tokyo 様導入事例

変化の時代に求められる業務アプリ Microsoft Dynamics AX : Soup Stock Tokyo 様導入事例

  • Order:
  • Duration: 5:02
  • Updated: 17 May 2016
  • views: 548
videos
Soup Stock Tokyo ではクラウド ERP である Microsoft Dynamics AX が使用されています。短期間で構築でき、タブレットや PC などの業務に合ったデバイスから使用できます。 ・カスタマイズ開発期間は 2 か月半程度 ・変化の早い業界では、システム開発に時間をかけている場合ではない ・標準的なインターフェイスでデータアクセスが可能、開発工数削減、他システムと連携しやすい ・環境構築が数クリックで可能 ・クラウドの活用でコストを大幅に削減 ・情報があることで現場スタッフが新たな売り方を創り出していける このようなことを実現した、ERP です。 詳しくはこちらをご覧ください。 https://www.microsoft.com/ja-jp/dynamics/erp-ax-overview.aspx
https://wn.com/変化の時代に求められる業務アプリ_Microsoft_Dynamics_Ax_Soup_Stock_Tokyo_様導入事例
Dynamic target tracking camera system keeps its eye on the ball #DigInfo

Dynamic target tracking camera system keeps its eye on the ball #DigInfo

  • Order:
  • Duration: 2:49
  • Updated: 18 Jun 2013
  • views: 459689
videos
High speed dynamic target tracking camera system keeps its eye on the ball (http://www.diginfo.tv/v/13-0049-r-en.php) 13/6/2013 SSII2013 The University of Tokyo Stationary Observation System for High-speed Flying Objects Lumipen: Projection Mapping on a Moving Object - http://www.youtube.com/watch?v=ZuSUHuSceYc 1ms Auto Pan-Tilt for perfect recentering - http://www.youtube.com/watch?v=9Q_lcFZOgVo DigInfo TV - http://www.diginfo.tv
https://wn.com/Dynamic_Target_Tracking_Camera_System_Keeps_Its_Eye_On_The_Ball_Diginfo
Security Dynamics in East Asia

Security Dynamics in East Asia

  • Order:
  • Duration: 1:01:09
  • Updated: 07 May 2015
  • views: 393
videos
Last month, China and Japan held their first high-level security talks in four years, following recent tensions over territorial and historical issues. Given the significant role of both countries in East Asia, a deteriorating Japan-China relationship would have a detrimental impact on the security environment of the region. As Tokyo has strong security ties with the United States, a Japan-China conflict could also have unpredictable consequences for regional and global security. What are the roots of the countries’ volatile relationship and how can the political tensions be reduced? On April 24, 2015, the East Asia Program at the Swedish Institute of International Affairs and the European Institute of Japanese Studies at Stockholm School of Economics organized a seminar on the security dynamics in East Asia. Speaker: Dr Rex Li is Reader in International Relations and Director of East Asian Security and Peace Project, Liverpool John Moores University, UK. His latest book is A Rising China and Security in East Asia: Identity Construction and Security Discourse (London: Routledge, 2009). Commentators: Karl Gustafsson, Research Fellow, UI. Hanna Sahlberg, China reporter, Swedish Radio. Moderator: Linus Hagström, Head of the East Asia Program at UI.
https://wn.com/Security_Dynamics_In_East_Asia
Tokyo Idols - Japan Cuts 2017

Tokyo Idols - Japan Cuts 2017

  • Order:
  • Duration: 1:10
  • Updated: 06 Jun 2017
  • views: 1166
videos
Tokyo Idols http://www.japansociety.org/event/tokyo-idols DOCUMENTARY FOCUS EAST COAST PREMIERE Video introduction with director Kyoko Miyake This revealing, thought-provoking new documentary by Kyoko Miyake traces the budding career of RioRio (the stage name of 19-year-old Rio Hiiragi), an aspiring pop singer climbing the ranks of stardom as an idol in Tokyo. One among 10,000 teenage girls considered idols, RioRio is part of a billion dollar industry and a unique, male-dominated otaku culture of obsession that has grown exponentially since the 1990s and gradually infiltrated mainstream Japanese popular culture. With a journalistic approach, Miyake uses RioRio’s journey (as well as that of her number one fan Koji, a 43-year-old former salaryman) as an opportunity to explore the multifaceted and often complicated issues of gender dynamics, female sexuality, fame and consumerism in the internet age inherent to idol worship in Japan. “A lively inquiry that reveals more contradictions than consensus.” —Justin Lowe, The Hollywood Reporter World Premiere, Sundance Film Festival World Cinema Documentary Competition. 2017. 88 min. DCP, in Japanese with English subtitles. Directed by Kyoko Miyake. With Rio Hiiragi. Part of JAPAN CUTS 2017. ------ Visit: http://www.japansociety.org/page/calendar Like: https://www.facebook.com/japansociety Follow: https://twitter.com/japansociety Watch: http://www.youtube.com/user/JapanSocietyNYC Join: http://www.japansociety.org/page/support Teach: http://aboutjapan.japansociety.org/
https://wn.com/Tokyo_Idols_Japan_Cuts_2017
6 Things Every Robot Fan Needs To Do in Tokyo

6 Things Every Robot Fan Needs To Do in Tokyo

  • Order:
  • Duration: 2:46
  • Updated: 19 May 2017
  • views: 103611
videos
Japan is crazy about robotics, from the super advanced and bipedal to tiny robot bullet trains that deliver your sushi.
https://wn.com/6_Things_Every_Robot_Fan_Needs_To_Do_In_Tokyo
Musculoskeletal Robot Driven by Multifilament Muscles

Musculoskeletal Robot Driven by Multifilament Muscles

  • Order:
  • Duration: 2:02
  • Updated: 04 Jul 2016
  • views: 308496
videos
Suzumori Endo Lab, Tokyo Tech has developed Musculoskeletal robot driven by multifilament muscles. Project members: Shunichi Kurumaya, Ryusuke Morita, Masatoshi Fukuda, Hiroyuki Nabae, Gen Endo, Koichi Suzumori. Shunichi Kurumaya, Koichi Suzumori, Hiroyuki Nabae, and Shuichi Wakimoto "Musculoskeletal lower-limb robot driven by multifilament muscles", ROBOMECH Journal. Sep. 2016. (Open Access) http://www.robomechjournal.com/content/3/1/18 Tokyo Tech News, "University-Born Venture Established for Thin, Flexible Artificial Muscle" rerated to this video is here: http://www.titech.ac.jp/english/news/2016/035340.html Our lab's URL is here (Japanese): http://www-robot.mes.titech.ac.jp/home.html This video can be used for informational purposes such as Internet Web pages. This general permission extends to media and personal Web pages except for advertisement. Please clearly state copyright for the source of the material, "Suzumori Endo Lab, Tokyo Institute of Technology". Any further questions, please contact our public relations at Tokyo institute of Technology. Thank you. Mail to : media@jim.titech.ac.jp
https://wn.com/Musculoskeletal_Robot_Driven_By_Multifilament_Muscles
Huge-Scale Molecular Dynamics Simulation of Multi-bubble Nuclei

Huge-Scale Molecular Dynamics Simulation of Multi-bubble Nuclei

  • Order:
  • Duration: 20:48
  • Updated: 10 Jul 2014
  • views: 850
videos https://wn.com/Huge_Scale_Molecular_Dynamics_Simulation_Of_Multi_Bubble_Nuclei
Lumipen 2: Robust Tracking for Dynamic Projection Mapping

Lumipen 2: Robust Tracking for Dynamic Projection Mapping

  • Order:
  • Duration: 1:30
  • Updated: 23 Mar 2015
  • views: 44003
videos
Projection Mapping has recently generated much attention, and can be applied to areas such as performance art and human-computer interfaces. Projection Mapping typically targets static or semi-static objects, and few systems can deal with dynamic objects due to a large delay from measurement to projection. The delay results in significant misalignment in the case of dynamic objects, and leads to discomfort. In our laboratory, the Lumipen system (URL: https://www.youtube.com/watch?v=ZuSUHuSceYc) has been proposed to solve the time-geometric inconsistency caused by the delay when using dynamic objects. It consists of a projector and a high-speed optical axis controller with high-speed vision and mirrors, called Saccade Mirror (1ms Auto Pan-Tilt technology, URL: https://www.youtube.com/watch?v=9Q_lcFZOgVo). Lumipen can provide projected images that are fixed on dynamic objects such as bouncing balls. However, the robustness of the tracking is sensitive to the simultaneous projection on the object, as well as the environmental lighting. In order to achieve robust Dynamic Projection Mapping, we introduce a retroreflective background to the Lumipen system (Lumipen 2, URL: http://www.k2.t.u-tokyo.ac.jp/mvf/LumipenRetroReflection/index-e.html). As a result, the object will appear darker than the background during projection, which is observed using a high-speed camera. The tracking will therefore be robust to changes of the content of the projection such as movies, and changes of environmental lighting in the object's vicinity associated with its motion. The tracking technique enables Dynamic Projection Mapping with partially well-lit content and time-geometric consistency. This opens up for new applications of Projection Mapping, such as visualizing a pitched ball as a fire ball. [Link] Ishikawa Watanabe Laboratory: http://www.k2.t.u-tokyo.ac.jp/ Oku Laboratory: http://www.okulab.cs.gunma-u.ac.jp/ Lumipen 2 Project: http://www.k2.t.u-tokyo.ac.jp/mvf/LumipenRetroReflection/index-e.html
https://wn.com/Lumipen_2_Robust_Tracking_For_Dynamic_Projection_Mapping
♫ Moskwa TV - Dynamics & Discipline (Complete Album)

♫ Moskwa TV - Dynamics & Discipline (Complete Album)

  • Order:
  • Duration: 47:47
  • Updated: 04 Oct 2016
  • views: 319
videos
Playlist: https://goo.gl/phXVI8 Dynamics & Discipline [??/??/1985] G.E. Vinyl [Westside Music ‎#71002] TRACKLIST: 00:00 - 01. Generator 7/8 (6'19'') 06:18 - 02. Absolute Fashion (4'58'') 11:16 - 03. My Second Voice (3'45'') 15:02 - 04. Futuristic Dance (5'14'') 20:16 - 05. Tekno Talk (6'20'') 26:37 - 06. Radio And TV (6'22'') 32:59 - 07. Operator Z (4'32'') 37:33 - 08. Tokyo Jam (3'50'') 41:21 - 09. Generator 7/8 [Remix] (6'23'') Written By Axel Henninger, Tomalla, Veil, Omvik, Ader, Boncaldo, Henrich & Carrasco Published By Melodie Der Welt & Televis S.R.L.
https://wn.com/♫_Moskwa_Tv_Dynamics_Discipline_(Complete_Album)
Smoothed Particle Hydrodynamics (SPH) : Fluid Simulation

Smoothed Particle Hydrodynamics (SPH) : Fluid Simulation

  • Order:
  • Duration: 0:50
  • Updated: 10 May 2014
  • views: 9214
videos
Smoothed particle hydrodynamics (SPH) in java If you need any details about processing algorithm, please do not hesitate to contact me. 2015/11/14 I finally uploaded the souce code to Github (https://github.com/watch3602004/SPH_iga). Please keep in mind I am NOT a researcher in computational fluid dynamics, or a professional programmer. I strongly recommend you to read the original paper, and build your own program. --References-- Monaghan(2005), Morris(2000), Muller(2003), Yu(2010), Taketani(2013), Becker(2007), Clagrossi(2003) https://github.com/takagi/blog-codes/... -- 2014/05/10 IGA (Tokyo Institute of Technology)
https://wn.com/Smoothed_Particle_Hydrodynamics_(Sph)_Fluid_Simulation