10.7.1 Top new questions this week

10.7.1.1 Vera Molnár's interruptions - erasing graphic elements
10.7.1.2 Any updates to Withoffs tutorial?
10.7.1.3 Deleting a Stored API Key for GoogleSpeech
10.7.1.4 Borromean rings
10.7.1.5 How to make a Voronoi chart with areas proportional to data?
10.7.1.6 Incorrect answer given by Sum
10.7.1.7 Visualizing the reverse pyramid in a good way
10.7.1.1 Vera Molnár's interruptions - erasing graphic elements

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=299650

Vera Molnár 
Vera Molnár (1924 - 2023) was a Hungarian artist who, like Victor Vasarely, lived and worked in France. She was one of the 
pioneers of computer graphics. Trained as a traditional artist, ... 
[graphics] [regions] [random] [generative-art]
 
asked by eldo https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=14254 Score of 19
answered by cvgmt https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=72111 Score of 11
10.7.1.2 Any updates to Withoffs tutorial?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=298588

I was reading "Power programming with Mathematica" by David Wagner and he cites Withoffs tutorial for the kernel evaluation process. Is there an updated version of that? 
[reference-request]
 
asked by Felipe https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=96196 Score of 7
10.7.1.3 Deleting a Stored API Key for GoogleSpeech

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=299757

When using  "GoogleSpeech"  in  SpeechSynthesize  for the first time, a window opens asking for the API key. I entered ... 
[api]
 
asked by EricMock https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=1281 Score of 6
answered by Domen https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=75628 Score of 6
10.7.1.4 Borromean rings

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=299765

how can I plot the Borromean rings in Mathematica? 
I am interested in the configuration showcased in figure. 
[plotting] [graphics] [graphics3d] [regions] [code-request]
 
asked by Yasha Gindikin https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=2322 Score of 6
answered by vindobona https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=58868 Score of 9
10.7.1.5 How to make a Voronoi chart with areas proportional to data?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=299700

In this chart the areas of the voronoi cells have been apportioned so that they represent the fraction of total spending. 
 
How can I make a chart like this? Suppose we have the data: 
... 
[mathematical-optimization] [mesh] [charts]
 
asked by flinty https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=72682 Score of 6
10.7.1.6 Incorrect answer given by Sum

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=299639

Is this a bug? 
 Sum[Binomial[2 n - 1, 2 m - 1]*(L - 2 - 2*(2 m - 1)), {m, 1, n}] 
 
gives 
 -4^(-1 + n) (1 - L + 2 n) 
 
However, ... 
[summation]
 
asked by Jake Pan https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=42938 Score of 6
answered by Arav BJ https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=96775 Score of 2
10.7.1.7 Visualizing the reverse pyramid in a good way

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=298562

I'm trying to draw, for a series of multivariables functions, both the surface plot and the level curves. I am using the following code: 
... 
[plotting] [graphics3d]
 
asked by Martin and Friends https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=88108 Score of 6
answered by Domen https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=75628 Score of 9