Joe Karganis writes, "This is the 'Co-Assignment Galaxy' created by David McClure. It maps the top 160K titles in the new Open Syllabus 2.0 dataset, based on the frequency with which those texts are assigned (reflected in the size of the dot) and assigned together (reflected in the location and clustering of the dots). It's US centric given the composition of the syllabus collection, but also a unique representation of human knowledge as a collective, connected project.
Using university syllabi to map the connections between every scholarly and scientific discipline
A YouTuber rebuilt a mercury light bulb discovered in 1675
In 1675, the French astronomer Jean Picard noticed something strange while carrying his mercury barometer through a dark room: the mercury glowed as it sloshed around the bulb. Two centuries… READ THE REST
RAF pilots spotted 6,000 stone traps invisible from the ground
RAF pilots flying over the Middle East in the 1920s kept seeing huge shapes laid out on the ground: two long stone walls converging into an enclosure, with a tail.… READ THE REST
A single atomic nucleus hit Utah with the force of a pitched baseball
On the evening of October 15, 1991, the University of Utah's Fly's Eye detector at Dugway Proving Ground recorded a single subatomic particle arriving from space with an energy of… READ THE REST
Learning a new language is less intimidating with Promova for only $80
Disclosure: Boing Boing earns a commission on purchases made through links in this post. TL;DR: Build confidence in a new language with Promova's lifetime subscription for $79.99 (reg. $299.99). Learning a new language… READ THE REST
A popular platform is making it easier to read in your spare time, and it's only $70 for life
Disclosure: Boing Boing earns a commission on purchases made through links in this post. TL;DR: Headway is a mobile app that condenses fiction and non-fiction books into quick summaries, and it's only… READ THE REST
This is the $60 Montessori-inspired kids' app that won't leave you feeling guilty afterward
Disclosure: Boing Boing earns a commission on purchases made through links in this post. TL;DR: For $59.99 (reg. $250), Pok Pok gives your family lifetime access to an award-winning educational app designed to… READ THE REST
