“Global Positioning System is, without a doubt, one of the most useful inventions of the late 20th century. It made it significantly easier for ships, airplanes, cars, and hikers to figure out where they are with high degree of accuracy.”
This is an excellent tiny whitepaper on how GPS works including several interactive little exercises that show how the satellite communications setup can accurately triangulate your position.
You’re presented with two cards representing two events from Wikipedia. Drag the one from the center to the correct sequence – before or after – the card on the bottom. If you guess right, the bottom of the card turns green and you get a new card. Repeat.
And at spruce.com there is a list of the top 10 charities that help children specifically.
It appears that rather than just have one specific gift guide, the magazine industry in particular has split everything into weirdly specific groups of gift guides, indicating that ad impressions are more important than, you know, actually providing the info we’re looking for.
“Welcome to Daniel Newman’s website on the history of Arab cooking in the Middle Ages. The site combines two passions of mine, food and history. The site is much more than mere facts or historical background as it brings medieval recipes back to life through painstaking recreation of the original dishes.”
“The purpose of the Theban Mapping Project is to design and implement existing condition reports and management plans for the archaeological sites of the Theban Necropolis.”
This is a great, great project. Explore the tombs of the pharaohs virtually supported by a crap-ton of white papers, reports, archives, etc. on the history and construction of these enormous historic structures.
“LEGO knows a thing or two about plastics. They manufacture hundreds of millions of Minifigures per year. These figures are assemblies with moving parts. Each one must work with every other LEGO ever created.”
An analysis of Lego minifigures using a CT scanner.
“The [re-wind] network explores the blades’ potential reuse in architectural and engineering structures, by proposing their reuse as protective bike shelters, or pedestrian bridges. one of these two ideas has already been implemented in the port of aalborg, denmark, where one can find an unusual bicycle garage, made from actual wind turbines that were once in use.”