On March 26, 2025, the Department of Electric Transport and Locomotive Engineering at the National Technical University “KhPI” took part in the university event “Holidays with Polytech.” This time, esteemed guests were invited to participate in Kahoot quizzes on the general theme “Principles of Uncertainty in the World and Science.” The goal of the event was to popularize science among school students and university applicants through interactive formats.
The topic of our department’s quiz was:
“Uncertainties: Measurement Accuracy Limitations, Statistical and Systematic Errors.”
- Measurement accuracy limitations – Every measurement has a precision limit determined by the technical characteristics of instruments (e.g., the accuracy class of a voltmeter). Even modern equipment for diagnosing electric rolling stock has errors that must be accounted for during data analysis.
- Statistical errors – These arise due to random factors (e.g., signal interference in a locomotive speed sensor). They can be minimized through repeated measurements and statistical processing (mean values, standard deviation).
- Systematic errors – These consistently shift results in one direction (e.g., incorrect calibration of a strain gauge in an electric train). They can be eliminated by checking and adjusting the equipment.
Why does this matter?
Understanding uncertainties is critical for engineers – from calculating the power of an electric train to designing safety systems. Ignoring errors can lead to accidents or system failures, whether due to battery overheating or GPS navigation inaccuracies.
The event was structured as an online adventure, allowing participants from anywhere in Ukraine to become part of a scientific experiment. It turned into a dynamic mix of knowledge, technology, and humor – emotions were transmitted through screens, yet the excitement was real!
The online format didn’t limit creativity! Organizers used memes about errors, chat hints, video inserts, and many other engaging elements. Even though participants couldn’t see each other, the energy was palpable.
The quiz proved that even when science goes online, it remains alive. Participants realized that uncertainties are not just terms but real challenges that bring people together across screens. And the Department of Electric Transport is already planning the next Kahoot quiz – this time with full immersion in 3D train models!
