Changing over distant teaching during the pandemic COVID-19 is considered as pedagogical experiment. Conditions and methods of privet teacher's experiment carrying out on the bases of humanitarian subject teaching in the technical university are described: The lists of pedagogical and informational and communicative technologies used on lessons before pandemic and during high-alert mode. Comparison of students' lessons attendance is made when different formats are used, using possibilities of the feedback, interaction with each other, peculiarities of doing tasks are analyzed. Advantages and disadvantages of online lectures and practical lessons are analyzed according to the teachers' and students' point of view. In the article's conclusion the ascent is made up on the personal senses lost analyses and personal knowledge transmission impossibility using distant methods strictly. © Published under licence by IOP Publishing Ltd.