Prof. Dr. Christoph Deneke
Universidade Estadual de Campinas - UNICAMP
Instituto de Física "Gleb Wataghin"
Departamento de Física Aplicada
Rua Sérgio Buarque de Holanda nº 777
13083859 - Campinas, SP - Brasil
What [teachers] did was sell invisible things. And after they’d sold what they had, they still had it. They sold what everyone needed but often didn’t want. They sold the key to the universe to people who didn’t even know it was locked.