WW2 Links is an educational resource for documentaries, courses, books, reference material, or self-learning.
Shorpy is an archive of vintage photographs, featuring thousands of high-resolution scans made from large-format negatives. The photos are categorized by theme, such as cities, railroads, cars and World War II, and are browsable by photographer and location. The scans are available as framed prints or stock images.
The Trolley Problem Game is a free game based on the trolley problem, in which a trolley heads toward five people and the player at the lever can redirect it onto a track that kills one person. The game includes dozens of interpretations of the problem and is also offered as an Android app.
PhilosophyBasics is a site that breaks philosophy down into manageable chunks. It offers material organized by branch, historical period, movement, and individual thinkers, with a library, a glossary, and a philosophers A–Z.
An interactive tutorial teaching the sequent calculus, a set of rules for showing the truth of statements in first-order logic. It is aimed at people with some software background and basic boolean logic knowledge.
EveryPolitician is a global database of political office-holders, including rulers, law-makers, judges and other public officials. It tracks hundreds of thousands of politicians across countries, positions and territories, and is built on Wikidata. The project describes itself as a community effort built by volunteers and welcomes contributions to political data research.
Flags of the World is a volunteer-maintained website founded in 1994 devoted to vexillology, the study of flags. It offers pages about national, state, municipal, organizational and historical flags and ensigns, along with links, a dictionary of vexillology and a bibliography. Its contents are offered freely, and it is maintained by editors and artists who are unpaid volunteers.
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Shorpy is an archive of vintage photographs, featuring thousands of high-resolution scans made from large-format negatives. The photos are categorized by theme, such as cities, railroads, cars and World War II, and are browsable by photographer and location. The scans are available as framed prints or stock images.
The Trolley Problem Game is a free game based on the trolley problem, in which a trolley heads toward five people and the player at the lever can redirect it onto a track that kills one person. The game includes dozens of interpretations of the problem and is also offered as an Android app.
PhilosophyBasics is a site that breaks philosophy down into manageable chunks. It offers material organized by branch, historical period, movement, and individual thinkers, with a library, a glossary, and a philosophers A–Z.
An interactive tutorial teaching the sequent calculus, a set of rules for showing the truth of statements in first-order logic. It is aimed at people with some software background and basic boolean logic knowledge.
EveryPolitician is a global database of political office-holders, including rulers, law-makers, judges and other public officials. It tracks hundreds of thousands of politicians across countries, positions and territories, and is built on Wikidata. The project describes itself as a community effort built by volunteers and welcomes contributions to political data research.
Flags of the World is a volunteer-maintained website founded in 1994 devoted to vexillology, the study of flags. It offers pages about national, state, municipal, organizational and historical flags and ensigns, along with links, a dictionary of vexillology and a bibliography. Its contents are offered freely, and it is maintained by editors and artists who are unpaid volunteers.
