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- {{Short description|Time travel using quantum mechanics}} ...704144252/https://www.newscientist.com/article/mg26234932-900-quantum-time-travel-the-experiment-to-send-a-particle-into-the-past/ |url-status=live }}</ref> ...22 KB (2,632 words) - 08:31, 6 January 2025
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- ...is the [[Multiplicative inverse|reciprocal]] of [[velocity]]. Thus travel time of a wave is the distance that the wave travels times the slowness of the m ...ollowed by the ray into N segments numbered i = 1, 2 .. N the total travel time of the [[wave]] is ...2 KB (331 words) - 03:31, 11 November 2024
- ...of weak and local changes in complex inhomogeneous media. Sound waves that travel through a medium are scattered multiple times by heterogeneities in the med ...ves are highly repeatable such that if no change occurs in the medium over time, the waveforms are identical. If a change occurs, such as a crack in the me ...3 KB (503 words) - 04:24, 28 October 2023
- ...is distinguished from dip moveout (DMO), the systematic change in arrival time due to a dipping layer. ...ty of the medium above the reflecting interface; <math>t_0</math> = travel time at zero offset, when the source and receiver are in the same place.<ref>{{c ...3 KB (472 words) - 14:15, 15 March 2023
- {{Short description|Proposed mode of space travel}} ...a potential means of achieving human [[interstellar travel]]. This mode of travel has yet to be used in practice. ...14 KB (2,186 words) - 21:50, 29 January 2025
- ...''radar nautical mile''' is an auxiliary constant for converting a (delay) time to the corresponding scale distance on the [[radar]] display.<ref>{{cite we ...ignal to receiving the echo - if the object is exactly one mile away, that time is one radar mile.]] ...2 KB (312 words) - 04:27, 22 October 2024
- ...it becomes fairly easy to calculate the [[velocity]] of the waves as they travel through each layer by using the equation for the [[root mean square]] veloc ...e wave to travel there increases, this forms a [[hyperbola]] in a graph of time vs. distance. The velocity data is used to correct the curves of the hyperb ...7 KB (1,000 words) - 18:40, 5 March 2024
- ...lies that relatively few destinations can be reached for a given amount of time/effort/cost or that reaching destinations is more difficult or costly from In [[time geography]], accessibility has also been defined as "person based" rather t ...15 KB (2,173 words) - 10:31, 30 August 2024
- {{Short description|Time travel using quantum mechanics}} ...704144252/https://www.newscientist.com/article/mg26234932-900-quantum-time-travel-the-experiment-to-send-a-particle-into-the-past/ |url-status=live }}</ref> ...22 KB (2,632 words) - 08:31, 6 January 2025
- ...n a business trip for instance, and come back within a few hours. Not only time but [[road network]]s and flight networks are being used more and more inte ...cs to study the process of energetic particles or [[Wave propagation|waves travel]] through vacuum. The model in the [[social science]] describes the flows o ...7 KB (1,102 words) - 09:09, 24 November 2024
- ...ts of fuel – coloured arrows denote depots, diagonal segments denote travel and vertical segments denote fuel transfer]] ...cs problem in which a [[Willys MB|jeep]] must maximize the distance it can travel into a desert with a given quantity of fuel. The jeep can only carry a fixe ...15 KB (2,617 words) - 13:41, 20 October 2024
- ...the [[Thomson scattering|Thomson]] scattering regime), electrons will only travel a short distance before the electric field reverses direction, making colli ...nd a high density of neutral particles and ions is present, electrons will travel far enough to collide many times with other particles but not far enough to ...9 KB (1,210 words) - 14:31, 9 January 2024
- ...two recordings to determine the difference in the times it takes noise to travel from the site of the leak to each of the sensors. If the distance between t ...the leak received at each sensor is sufficiently similar over a period of time. ...3 KB (495 words) - 15:47, 25 April 2022
- ...|first2=Dana G. |date=March 1991 |title=Magnetic sails and interplanetary travel |url=https://arc.aiaa.org/doi/10.2514/3.26230 |journal=Journal of Spacecraf ...hinari|last2=Musha|first2=Takaaki|title=Field propulsion systems for space travel|journal=Acta Astronautica|date=February 2013|volume=82|issue=2|pages=215–20 ...14 KB (2,090 words) - 05:13, 15 September 2024
- ...this can be described by the [[Rayleigh–Plesset equation]]. This means the time-averaged product of the bubble volume and the pressure gradient can be non- ...vel up the pressure gradient, while those with a lower resonance frequency travel down the pressure gradient.<ref name=":2" /> ...7 KB (1,019 words) - 10:58, 29 November 2024
- * ''x'' : direction parallel to weld travel, * ''y'' : direction in plane and perpendicular to weld travel, ...11 KB (1,616 words) - 05:40, 14 January 2025
- ...estern honey bee|European honeybees]] increase their nectar load as travel time to nectar sites from a hive increases.<ref name="Kacelnik" /> [[North Ameri ...ral place with the goal of efficiently returning the resource home. Travel time is expected to determine the degree to which foragers will process a resour ...23 KB (3,565 words) - 03:46, 5 November 2024
- ...ons between common access nodes to a sub-network relevant to long-distance travel.<ref name=":0">{{Cite journal|last1=Bast|first1=H.|last2=Funke|first2=S.|la ...me access nodes close to them. This intuition only holds for long-distance travel. When travelling short distances, such access nodes might be never used bec ...10 KB (1,515 words) - 20:58, 12 October 2024
- ...high forces owing to the short throw of the crank of only one quarter the travel of the pivots. ...but they are believed to date back to [[Proclus]] and perhaps even to the time of [[Archimedes]].<ref name=AMM/> ...7 KB (1,086 words) - 10:14, 27 December 2024
- ...ommunications channels:''' Each edge is bi-directional, communications can travel in both directions. ...n the graph have a list of villages belonging to their village, hence each time a city wants to look for edges leading outside of it, it has to adopt an '' ...9 KB (1,523 words) - 21:21, 6 May 2021
- On flat terrain this formula works out to 5 km/h. For off-path travel, this value should be multiplied by 3/5, for horseback by 5/4.<ref name="To ...|last2=Dombay |first2=Ştefan |year=2012 |title=Determining minimum hiking time using DEM |journal=Geographia Napocensis |volume=Anul VI |issue=2 |pages=12 ...7 KB (785 words) - 17:31, 14 February 2024