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[[File:Hyperloop all cutaway.png|thumb|Concept art of hyperloop inner workings|265x265px]]
 
'''Hyperloop''' is a proposed high-speed [[transport]]ation system for both passengers and freight.<ref>{{cite web |last=Simon |first=Joanna |url=https://wagner.nyu.edu/rudincenter/2017/02/primer-hyperloop-travel-how-far-future |title=A Primer on Hyperloop Travel: How far off is the Future? |publisher=[[Rudin Center for Transportation Policy & Management]], [[New York University]] |access-date=2024-05-24}}</ref> The concept was published by entrepreneur [[Elon Musk]] in a 2013 [[white paper]], where the hyperloop was described as a transportation system using capsules supported by an [[air bearing|air-bearing surface]] within a low-pressure tube.<ref name="Alpha SpaceX" /><ref>{{cite journal |last1=Premsagar |first1=Smriti |last2=Kenworthy |first2=Jeffrey |date=2022 |title=A Critical Review of Hyperloop (Ultra-High Speed Rail) Technology: Urban and Transport Planning, Technical, Environmental, Economic, and Human Considerations |journal=[[Frontiers in Sustainable Cities]] |volume=4 |doi=10.3389/frsc.2022.842245 |doi-access=free|bibcode=2022FrSC....4.2245P }}</ref> Hyperloop systems have three essential elements: tubes, pods, and terminals. The tube is a large, sealed [[Vacuum#Vacuum-driven machines|low-pressure system]] (typically a long tunnel). The pod is a coach at [[atmospheric pressure]] that experiences low [[Drag (physics)|air resistance]] or friction inside the tube<ref name="mechsite2019092">{{cite web |last1=Opgenoord |first1=Max M. J. |title=How does the aerodynamic design implement in hyperloop concept? |url=https://mechanicalsite.com/446/how-does-the-aerodynamic-design-implement-hyperloop-concept |url-status=usurped |archive-url=https://web.archive.org/web/20191003205826/https://mechanicalsite.com/446/how-does-the-aerodynamic-design-implement-hyperloop-concept |archive-date=3 October 2019 |access-date=16 September 2019 |website=Mechanical Engineering |publisher=MIT - Massachusetts Institute of Technology}}</ref><ref>{{cite journal |last1=Lang |first1=Alex J. |last2=Connolly |first2=David P. |last3=de Boer |first3=Gregory |last4=Shahpar |first4=Shahrokh |last5=Hinchliffe |first5=Benjamin |last6=Gilkeson |first6=Carl A. |date=2024 |title=A review of Hyperloop aerodynamics |journal=Computers & Fluids |volume=273 |pages=106202 |doi=10.1016/j.compfluid.2024.106202}}</ref> using [[Maglev|magnetic propulsion]] (in the initial design, augmented by a [[ducted fan]]). The terminal handles pod arrivals and departures. The hyperloop, in the form proposed by Musk, differs from other [[Vactrain|vactrains]] by relying on residual air pressure inside the tube to provide lift from [[Aerofoil|aerofoils]] and propulsion by fans; however, many subsequent variants using the name "hyperloop" have remained relatively close to the core principles of vactrains.<ref>{{Cite web |last=Garfield |first=Leanna |title=15 remarkable images that show the 200-year evolution of the Hyperloop |url=https://www.businessinsider.com/history-hyperloop-pneumatic-tubes-as-transportation-2017-8#in-1799-inventor-george-medhurst-proposed-an-idea-to-move-goods-through-cast-iron-pipes-using-air-pressure-in-1844-he-built-a-railway-station-for-passenger-carriages-in-london-that-relied-on-pneumatics-until-1847-1 |access-date=2024-12-08 |website=Business Insider |language=en-US}}</ref><ref>{{Cite web |date=March 25, 2021 |title=Timeline: tracing the evolution of hyperloop rail technology - Rainway-Technology |url=https://rail.nridigital.com/future_rail_mar21/hyperloop_rail_system_timeline}}</ref>
 
Hyperloop was teased by Elon Musk at a 2012 speaking event, and described as a "fifth mode of transport".<ref name="PandoDaily Hyperloop">{{cite web |title=Pando Monthly presents a fireside chat with Elon Musk |url=https://pando.com/2012/07/12/pandomonthly-presents-a-fireside-chat-with-elon-musk/ |website=pando.com |publisher=PandoDaily |access-date=15 July 2017 |date=13 July 2012 |archive-date=16 July 2017 |archive-url=https://web.archive.org/web/20170716135721/https://pando.com/2012/07/12/pandomonthly-presents-a-fireside-chat-with-elon-musk/ |url-status=live}}</ref> Musk released details of an alpha-version in a [[white paper]] on 22 August 2013, in which the hyperloop design incorporated reduced-pressure tubes with [[pressurized]] capsules riding on [[air bearing]]s driven by [[linear induction motor]]s and [[axial compressor]]s.<ref name="gm20130822" /> The white paper showed an example hyperloop route running from the [[Los Angeles]] region to the [[San Francisco Bay Area]], roughly following the [[Interstate 5 in California|Interstate 5]] corridor.<ref name="Alpha SpaceX" /> Some transportation analysts challenged the cost estimates in the white paper, with some predicting that a hyperloop would run several billion dollars higher.<ref name="NYT-Bilton" /><ref name="AJE" /><ref name="HuffPoAstronomical" />
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China has been at the forefront of cutting edge research into ultra high-speed transport and has in the last decade spearheading the successful construction of China's [[high-speed rail]] network into the world's most expansive rapid transport system.
In July 2024, China Railway Engineering Consulting Group ([[China Railway Group Limited|CREC]]) constructed a record-breaking 2 km long Maglev hyperloop test line in Yanggao County, [[Shanxi province]]. Using innovative techniques such as composite N-shaped beams incorporating steel shells and vacuum-sealed concrete, AI-driven magnetic damper and precision engineering afforded China the premiere opportunity to take the lead in the race to be the first country to commercialize a working hyperloop type of rapid transportation system. The spate of tests were conducted successfully with near-zero deviation from baseline indicating all design parameters have met expectation and CREC will proceed to expand the test line and scale up its production in order to finalized testing and develop various operation protocols to meet the challenges of large-scale deployment. Furthermore, unlike most current methodology used in various research test projects around the world, the highly advanced technology employed in the Chinese vacuum-tube test line and the capsule unit ensure scalability, maximum safety and ultimate comfort of the riders.<ref name="The-Star-March-2025">{{cite web |url=https://www.thestar.com.my/tech/tech-news/2025/03/20/how-china-is-solving-the-nightmare-that-killed-elon-musks-hyperloop |title=How China is solving the nightmare that killed Elon Musk’sMusk's Hyperloop |work=TheStar |first=Stephen |last=Chen |date=20 March 2025 |access-date=20 March 2025 |archive-date=20 March 2025 |archive-url=https://web.archive.org/web/20250320000000/https://www.thestar.com.my/tech/tech-news/2025/03/20/how-china-is-solving-the-nightmare-that-killed-elon-musks-hyperloop |url-status=live}} [https://www.msn.com/en-xl/news/other/how-china-is-solving-the-nightmare-that-killed-elon-musk-s-hyperloop/ar-AA1BhqT0#:~:text=China's%20solution%3A%20composite%20N%2Dshaped,shells%20and%20vacuum%2Dsealed%20concrete.&text=Inside%2C%20the%20team%20created%20a,by%20more%20than%20a%20third. Alt URL]</ref>
Currently, plans are in place to initiate a route between [[Shanghai]] and [[Beijing]] cutting travel time from 4 hours when utilizing high-speed bullet trains to under 90 minutes with the vacuum-tube transport traveling at {{cvt|1000|km/h|mph|round=50}}.<ref name="The-Star-March-2025"/>