Category Archives: Nonlinear pendulum

Period of a pendulum

Commenting my statement that “we can now return to the imaginary time period of the pendulum” in my last post Elliptic addition theorem, Bjab aked “What about the real time period?” And indeed, we did not quite finish the case … Continue reading

Posted in Elliptic functions, Nonlinear pendulum | 13 Comments

Pendulum in imaginary time

Today’s post needs mathematical imagination and practice. Practice is important. For instance lot of practice is needed for a successful target slinging. Like in this video below There are many stiles of slinging. For us probably the best is is … Continue reading

Posted in Elliptic functions, Nonlinear pendulum | 7 Comments

Cosmoplanetary pendulum

First about Kozyrev’s mirrors. I have started to study the subject. That is a real adventure in a real jungle! First of all it seems they are not “Kozyrev’s”. They have been invented and investigated by V. P. Kaznacheev, but … Continue reading

Posted in Mathematica, Nonlinear pendulum, Unconventional science | 12 Comments