Presentations do not have to be boring

by Volker Weber


Mathe ist soooo langweilig.

Oliver Regelmann, 2013-12-10

Seine anderen Projekte sind nicht weniger interessant:

Stephan Herz, 2013-12-10

Old archive pages

I explain difficult concepts in simple ways. For free, and for money. Clue procurement and bullshit detection.


Paypal vowe