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.
Steve's Computer Collection is a website dedicated to the preservation and display of vintage computer systems. It presents old, rare and antique computers and invites browsing of old computer advertisements. The site also offers a view of 150 old computers at the same time.
Extreme Weather Watch is a site founded in 2021 that provides an interface for viewing historical weather records. It offers climate records by U.S. state, Canadian province, Australian state and other countries, plus country and city comparisons and temperature conversion calculators.
Flagid is a site for browsing and identifying flags from around the world. Filters allow searching by shape, colors, divisions and geographic regions, and multiple criteria can be combined. It also offers a flag game and a Flag of the Day feature.
Royal Constellations is a visualization exploring a thousand years of ancestral connections in the European royal families. Clicking stars selects people and shows the shortest path between two royals. Each star is a person placed by year of birth and proximity to a royal leader today.
This nLab page discusses the philosophical part of nLab, covering higher algebra, homotopy theory, type theory and category theory and their relevance to philosophy. It states that the entries on philosophy would ideally contain philosophy of mathematics, logic and foundations, and philosophy of physics, including interpretation and foundational issues of quantum mechanics. It also treats metaphysical interest in higher mathematical structures and foundations for mathematics.
MyLifeElsewhere is a collaborative community site for comparing a home country with other countries around the world. It shows statistics such as quality of life, cost of living, geographic size and a salary estimator, along with tools for comparing countries and cities and building a true size map.
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Steve's Computer Collection is a website dedicated to the preservation and display of vintage computer systems. It presents old, rare and antique computers and invites browsing of old computer advertisements. The site also offers a view of 150 old computers at the same time.
Extreme Weather Watch is a site founded in 2021 that provides an interface for viewing historical weather records. It offers climate records by U.S. state, Canadian province, Australian state and other countries, plus country and city comparisons and temperature conversion calculators.
Flagid is a site for browsing and identifying flags from around the world. Filters allow searching by shape, colors, divisions and geographic regions, and multiple criteria can be combined. It also offers a flag game and a Flag of the Day feature.
Royal Constellations is a visualization exploring a thousand years of ancestral connections in the European royal families. Clicking stars selects people and shows the shortest path between two royals. Each star is a person placed by year of birth and proximity to a royal leader today.
This nLab page discusses the philosophical part of nLab, covering higher algebra, homotopy theory, type theory and category theory and their relevance to philosophy. It states that the entries on philosophy would ideally contain philosophy of mathematics, logic and foundations, and philosophy of physics, including interpretation and foundational issues of quantum mechanics. It also treats metaphysical interest in higher mathematical structures and foundations for mathematics.
MyLifeElsewhere is a collaborative community site for comparing a home country with other countries around the world. It shows statistics such as quality of life, cost of living, geographic size and a salary estimator, along with tools for comparing countries and cities and building a true size map.
