Links (misc)
- Airbus Beluga en Getafe (in Spanish). Check this great website if you want to see this very special aircraft.
- Blabla Meter tells you how much bullshit your text contains. Available in Spanish too.
- Top500 contains, among other things, a bi-anual list of the most powerful computers, with data since 1993.
- 2700chess is a website where you can see live chess rankings of 2700+ ELO players in all three formats (classical, rapid, and blitz).
- Stanford Enciclopedia of Philosophy
- An online version of Oblique Strategies, a card “game” created by composer Brian Eno and painter Peter Schmidt
- International Space Station live feed
- Astronomy Picture of the Day (APOD)
- Calendario Meteoro Fenológico (in Spanish. Change manually the year in the (...)cm-XXXX.pdf part of the address to visit other years. The first publication is from 1943, and as of 2025 they seem to be up to date.)
Maths and Physics
- Error Correction Zoo: Website to categorize and organize known classical and quantum error-correction schemes.
- Quantiki, a website for wiki on quantum information, as well as a community portal where people regularly post job offers and the like
- nLab is a wiki for collaborative work on Mathematics, Physics, and Philosophy — especially (but far from exclusively) from the higher structures point of view: with a sympathy towards the tools and perspectives of homotopy theory/algebraic topology, homotopy type theory, higher category theory and higher categorical algebra.
- Groupprops is a sub-Wiki dedicated to group theory. It’s full of detailed examples.