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Lucky Jupiter has at least 80 moons, ranging in size from 1 km (cute little Valetudo, discovered in 2016) to 5268 km (Ganymede, possibly discovered in 365 BC). This CGI video compares the sizes of the moons in the Jovian system to the island of Manhattan.
My favorite is Praxidike (7 km), discovered in 2000 and named after the Greek goddess of punishment. It is "believed to be the remnants of a break-up of a captured heliocentric asteroid," according to Wikipedia
According to this new YouTube video, duct tape was invented during World War II as a way to quickly repair ammunition boxes in the field. That alone was surprising to… READ THE REST
The title of this six-minute video is "Does free will violate the laws of physics?" But it could also be called "Is free will an illusion?" Physicist Sean Carroll says… READ THE REST
Delightful polymath Fran Blanche restored this 1966 short film about wheels. "This classic 16mm Coronet film takes us into the modern world of go carts, barrel rides, rotary phones, and… READ THE REST
TL;DR: The TREBLAB HD77 Bluetooth speaker comes with waterproofing, all-day battery, and crisp 360° HD sound for $51.99 (reg. $79)! Whether you're at the beach or camping, one thing that's bound to make… READ THE REST
TL;DR: Until September 29, own Microsoft Office and Windows 11 Pro for $54.97—a practical, one-time purchase. Ever thought about owning your software instead of paying for it over and over, just like all… READ THE REST
TL;DR: Find the best deals on fresh produce and more by joining BJ's Wholesale Club with a 1-year membership with BJ's Easy Renewal® starting at $20! Yuck! The strawberries and spinach you just… READ THE REST
