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In multiple dimensions, the conservation of momentum applies in each direction independently. Hence, to solve collisions in multiple dimensions, we should write down the momentum conservation in each direction separately. To help understand collisions in multiple dimensions, consider an example.
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Multipipe systems consist of complex configurations of interconnected pipes designed to transport fluids efficiently across intricate networks. They are essential in engineering applications requiring precise control over flow distribution, pressure, and head loss. They are categorized into series, parallel, loop, and network configurations, each distinguished by unique flow characteristics and applications.
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Cruise control systems in cars are designed as multi-input systems to maintain a driver's desired speed while compensating for external disturbances such as changes in terrain. The block diagram for a cruise control system typically includes two main inputs: the desired speed set by the driver and any external disturbances, such as the incline of the road. By adjusting the engine throttle, the system maintains the vehicle's speed as close to the desired value as possible.
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A square-threaded screw jack is a mechanical device widely used for lifting heavy loads or applying considerable force. Its operation is based on converting the force applied at its handle into a torsional moment, causing the upward impending motion of the screw. This movement is accomplished by overcoming the static friction between the threads of the screw and the jack.
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Related Experiment Video

Updated: Jul 17, 2025

Automated Multimodal Stimulation and Simultaneous Neuronal Recording from Multiple Small Organisms
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Everything everywhere all at once.

Asha Pillai1

  • 1Chair, Hematology, Hematologic Malignancies, and Transplantation, Global Development Scientific Council, Regeneron Therapeutics.

Science Immunology
|September 1, 2023
PubMed
Summary

Successful melanoma immunotherapy relies on T-cell receptors (TCRs) that can recognize multiple tumor antigens simultaneously via cross-reactivity. This highlights a key mechanism for effective cancer immune response.

Area of Science:

  • Immunology
  • Oncology
  • T-cell biology

Background:

  • Melanoma immunotherapy aims to harness the patient's immune system to fight cancer.
  • T-cell receptors (TCRs) are crucial for recognizing cancer cells.

Purpose of the Study:

  • To investigate the role of T-cell receptor (TCR) cross-reactivity in successful melanoma immunotherapy.
  • To understand how TCRs recognize multiple tumor antigens.

Main Methods:

  • Analysis of clonal TCR repertoires in melanoma patients.
  • Assessment of TCR binding affinities to various tumor-specific antigens.

Main Results:

  • Identified clonal TCRs capable of recognizing multiple tumor-specific antigens concurrently.

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  • Demonstrated cross-reactivity as a significant factor in effective anti-melanoma immune responses.

    • Conclusions:

    • TCR cross-reactivity is a critical mechanism enabling T-cells to target multiple antigens in melanoma.
    • This finding has implications for designing more effective cancer immunotherapies.