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education / learning
Quaternions and spherical trigonometry
Hamilton’s quaternion number system is a non-commutative extension of the complex numbers, consisting of numbers of the form where are real numbers,...
wordpress.com - 30+ days ago

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learning
8 classes that should be required for all students before they hit adulthood
If we want to prepare kids for adult life, we've got some glaring gaps to fill. I remember sitting in advanced algebra and trigonometry class in high...
upworthy.com - 30+ days ago
writing
Literary Locomotives: Nine Books Set on Trains That Show How They Changed the World
Why set a novel on a train? The answer might seem obvious: it’s a narratively and atmospherically rich space, an enclosure in which strangers are...
lithub.com - 18 days ago
photography
Voigtländer announces what may be the first lens of 2025 – the Nokton 28mm f/1.5 Aspherical for Sony
Cosina is set to release one of the first lenses of 2025 with its new Voigtländer Nokton 28mm f/1.5 Aspherical E-mount lens, offering a compact yet...
digitalcameraworld.com - 30+ days ago
technology
China rolls out its crime-fighting ball to chase down criminals
China's latest innovation in policing technology has rolled onto the scene, quite literally. The Rotunbot RT-G, developed by Logon Technology, is a spherical robot that's turning heads and chasing down criminals at impressive speeds. This 276-pound mechanical machine is pushing the boundaries of...
foxnews.com - 30+ days ago
technology
China’s sci-fi spherical Death Star-like robot cop uses AI, facial recognition to track criminals
Footage from the streets of China captured a scene straight from a science fiction novel – spherical drones alongside patrolling law enforcement. Chinese robotics company, Logon Technology, unveiled the RT-G autonomous spherical robot in a release, saying it was a "technological breakthrough"...
foxnews.com - 30+ days ago
learning
Two Teens Used Trigonometry to Prove the Pythagorean Theorem After So Many Experts Couldn't
Then, they wrote nine more proofs. In 2022, two high school students created a trigonometric proof of the Pythagorean Theorem—something that’s only ever been accomplished by a few professional mathematicians. • Now, a new article not only proves that theorem—which relies on the Law of Sines—but puts...
popularmechanics.com - 30+ days ago
technology
Watch This Spherical Crime Fighter AI Robot In China That Shoots Webs At Criminals; Internet Has Thoughts
Imagine a 125 kg spherical robot rolling through city streets, equipped with cutting-edge AI and an arsenal of non-lethal law enforcement tools. China's Logon Technology has transformed this sci-fi concept into reality with the RT-G, a revolutionary autonomous robot designed to combat crime. Powered...
mashable.com - 30+ days ago
architecture
Huge New Stadium for Athletics Baseball Dubbed the ‘Spherical Armadillo’
In the world of Major League Baseball, the Oakland Athletics will be moving to Las Vegas, in a new stadium that’s been dubbed ‘the spherical...
mossandfog.com - 9 days ago
technology
Chinese Police Introduces Autonomous Spherical Patrol Robot
Viral videos shared on Chinese social media show human law enforcement patrolling the streets alongside AI-powered spherical robots capable of...
odditycentral.com - 30+ days ago