Red balls, Green Balls
"Imagine, that you have an urn filled with 100 balls, some red and some green…". Find the web-page …
Fabry-Perot Cavity
A detailed analysis of optics related to Fabry-Perot cavity. We derive the reflections/transmission coefficients and finesse. We also …
Renewal Processes
A dive into renewal processes. Find the web-page …
Musings on the Gamma Distribution
Gamma distribution appears as we add exponentially distributed random numbers. We show this using two different methods, including …
Musings on the Exponential Distribution
Exponential distribution is very special. Find the web-page …
Dirac-Delta with a function inside
We will have some fun with $\delta\left(f(x)\right)$, and simplify it. Find the web-page …
Diffraction
The physics of diffraction.
Integral of the month: \( \int dr \cos r^2 \)
Some fun with Fresnel integrals.
Coil calculations
A deep dive into calculations on coils.
Separation of variables in spherical coordinates
Solving Laplace equation in spherical coordinates.
