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Travel time reliability has been increasingly recognized as a key performance indicator for transportation roadways and transport systems, which exerts a strong influence on the stakeholders in transportation networks, including users (travelers), service providers, planners, and managers. This has stimulated research into the development of ...
Marchetti's constant is the average time spent by a person for commuting each day. Its value is approximately one hour, or half an hour for a one-way trip. It is named after Italian physicist Cesare Marchetti, though Marchetti himself attributed the "one hour" finding to transportation analyst and engineer Yacov Zahavi.
Taken one at a time, each small travel decision made individually by the travellers had a negligible impact on the survivability of the railroad. It would not have been rational for a traveller to consider the survival of the railroad imperilled by any one of his particular decisions.
The value of time varies considerably from person to person and depends upon the purpose of the journey, but it can generally be divided into two sets of valuations: working time and non-working time. This division is appropriate because the value of working time (i.e., time spent traveling in the course of work) is calculated differently from ...
Antonyms are words with opposite or nearly opposite meanings. For example: hot ↔ cold, large ↔ small, thick ↔ thin, synonym ↔ antonym; Hypernyms and hyponyms are words that refer to, respectively, a general category and a specific instance of that category. For example, vehicle is a hypernym of car, and car is a hyponym of vehicle.
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An origin story missing key details. Founded as Athletic Greens in 2010 by Ashenden, a fitness enthusiast and former police officer from New Zealand, AG1 epitomizes the kind of bootstrapped ...
A bootstrap paradox, also known as an information loop, an information paradox, [6] an ontological paradox, [7] or a "predestination paradox" is a paradox of time travel that occurs when any event, such as an action, information, an object, or a person, ultimately causes itself, as a consequence of either retrocausality or time travel.