Welcome to Great Explorers!
This general elective course is open to students from all schools, programs, and years. The language of instruction is English.
The course's first lecture is on Sunday, March 15, 2026, 17:30 - 19:00, on zoom,
Here is the course syllabus, which includes the lectures schedule. It's important to consult this website before each lecture, for lecture materials and up-to-date zoom links (which may change during the semester).
March 15: Explorations in Mathematics
We normally discuss explorations in Math, Computer Science, and AI later in the course. This year we'll do so at the beginning of the course, for reasons that will be explained in the lecture.
This lecture will be given in zoom only: https://runi-ac-il.zoom.us/j/86347129284
Here are the Lecture Slides.
More resources
Computer Science education in a nutshell. Pay special attention to minutes 11:00 onward, where I talk about early age mathematics education.
1 + 2 + 3 + 4 + ... = -1/12: This bizarre result can be derived correctly, if you are not going to the infinite, on the one hand, and you are not willing to say when you stop adding, on the other. A striking illustration of the elusive nature of what we call "infinity".
Optional reading
About Compass and Straightedge (Hebrew): An article about their role in mathematics.
Three great books about the spirit and beauty of mathematics:
Journey Through Genius, by William Dunham,
Men of Mathematics, by E. T. Bell
Number: the Language of Science, by Tobias Dantzig