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
Study demonstrates that anti-radiation phone stickers do nothing
Can stickers—as in adhesive- or magnetic-backed paper—block phone radiation? Not these ones, says the University of Surrey in England. The stickers are sold by a U.K. company, Energydots, to exploit the country's pitch into 5G conspiracy theories and mystic paranoia. The stickers are about $35 each, shipped; Energydots has also falsely claimed to be in… READ THE REST
Floating a foil boat on heavier-than-air gas
Others have done this demo, but this is a great recent example in a large tank full of sulfur hexafluoride. Their demonstration of its voice-lowering properties was not as good as some, though. Image: YouTube / Da Vinci TV READ THE REST
Is the human gaze a physical force?
Is the human gaze a physical force? It sure feels like it sometimes. Princeton University researchers scanned subjects' brains to gain insight into why we subconsciously interpret "other people's visual attention as an invisible, force-carrying beam projecting from the eyes." This isn't about the paranormal investigations into whether you can "feel" when someone is staring… READ THE REST
This grooming vacuum will help reduce dog and cat fur around your home
You love your family and friends. You love your spouse. You love your kids. But, even among those things you treasure most in this world, there's still a special kind of love you hold only for your pet. For as much as we shower our love and affection over these furry family members, there isn't… READ THE REST
The SteakMaster Gas Grill turns out steakhouse-quality meals at home in just 2 minutes
We realize it's still frigidly cold in many places, but advanced planning for summer 2021 needs to start happening now. And, even with so much still up in the air about what life will even feel like six months from now, it's time to get the ball rolling today. Of course, the centerpiece of any… READ THE REST
These 15 deals on flashlights and headlamps are on sale for up to 66% off
It probably sounds trite, but a quality light source in an emergency really can make the difference between life and death. While you hope to never need it, a powerful, functioning flashlight or headlamp should not only be part of your pack for any outdoor excursion, it should also be stationed in your vehicle for… READ THE REST