7.40.3 Can you answer these questions?

7.40.3.1 Bug with animation rate

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=258687

I tried to introduce an decay to the rotation of an object in mathematica by tying the animation rate to the degree of rotation as in the picture below and it goes quite smoothly until it reaches a ... 
[graphics] [animation]
 

asked by Chanokchon Thongkrue https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=82904 2 votes

7.40.3.2 solve pde with moving top boundary

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=258476

I am trying to solve this pde (1D diffusion with source term) with a top boundary that moves over time noted as L0[t]. The NDsolve works when L0=constant, but here the top boundary changes in height ... 
[differential-equations]
 

asked by Dave https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=82717 1 vote

7.40.3.3 How to create a Lichtenberg Figure?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=258593

I want to create a simulated Lichtenberg figure in a manner similar to this image: 
What is a good method to generate Lichtenberg figures? 
 
There is a very helpful post on Wolfram Community about ... 
[graphics3d] [generative-art] [fractals]
 

asked by Peter Burbery https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=76873 4 votes