nafems4/TODO

 * cuentas de linealidad en wasora y maxima
 * feynman diagram for electron-positron
 * thermal expansion gives normal stresses" and then picture out three arrows pulling away
 * https://fs.blog/2012/01/richard-feynman-on-why-questions/
 * lista de tips, laterales con sandías, hacer una lista de billets al final
 * stop using (only) point and click
 * learn to code and get involved in foss engineering projects
 * stay updated, read articles, papers and books
 * keep in touch with other people, networking, social networks, caeplex