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  2. Trolley problem - Wikipedia

    en.wikipedia.org/wiki/Trolley_problem

    In 2017, a group led by Michael Stevens performed the first realistic trolley-problem experiment, where subjects were placed alone in what they thought was a train-switching station, and shown footage that they thought was real (but was actually prerecorded) of a train going down a track, with five workers on the main track, and one on the ...

  3. Train shunting puzzle - Wikipedia

    en.wikipedia.org/wiki/Train_shunting_puzzle

    It may or may not be required to maintain the original sequence of rolling stock in each train. Run a locomotive around its passenger carriages at a terminus ready for the return journey. Reverse the direction of a train, for example at a wye where the train is too long to fit into any of the individual sections of track.

  4. Einstein's thought experiments - Wikipedia

    en.wikipedia.org/wiki/Einstein's_thought_experiments

    In his popular work, Relativity: The Special and General Theory, Einstein translates the formal presentation of his paper into a thought experiment using a train, a railway embankment, and lightning flashes. The essence of the thought experiment is as follows: Observer M stands on an embankment, while observer M ' rides on a rapidly traveling ...

  5. Trial and error - Wikipedia

    en.wikipedia.org/wiki/Trial_and_error

    the problem in the sophisticated approach is "Which, if any, of the chemicals in this narrow range will work well as an antibiotic?") The method is used widely in many disciplines, such as polymer technology to find new polymer types or families.

  6. Communications-based train control - Wikipedia

    en.wikipedia.org/wiki/Communications-based_train...

    Communications-based train control (CBTC) is a railway signaling system that uses telecommunications between the train and track equipment for traffic management and infrastructure control. CBTC allows a train's position to be known more accurately than with traditional signaling systems. This can make railway traffic management safer and more ...

  7. Wonderlic test - Wikipedia

    en.wikipedia.org/wiki/Wonderlic_test

    The Wonderlic Contemporary Cognitive Ability Test (formerly the Wonderlic Personnel Test) is an assessment used to measure the cognitive ability and problem-solving aptitude of prospective employees for a range of occupations. The test was created in 1939 by Eldon F. Wonderlic.

  8. Problem solving - Wikipedia

    en.wikipedia.org/wiki/Problem_solving

    Problem solving is the process of achieving a goal by overcoming obstacles, a frequent part of most activities. Problems in need of solutions range from simple personal tasks (e.g. how to turn on an appliance) to complex issues in business and technical fields.

  9. Train meet - Wikipedia

    en.wikipedia.org/wiki/Train_meet

    A train meet is the situation in railroading or rail transit operations in which a train traveling in one direction "meets" another traveling in the opposite direction, either while traveling on parallel double or multiple tracks, or while stopping and waiting on a railroad siding for the other train to pass on a single track mainline.