There are many admirable things about this 1937 video that explains how a car's differential works, but my favorite thing is the way they use a very simple model, and add complexity in stages. All explainer videos should be so clear!
How a car's differential works
Duct tape decoded: the fascinating chemistry behind the ultimate fix-all (video)
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
Does free will violate the laws of physics?
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
Beautiful 3D animation compares sizes of the 80 known moons of Jupiter with Manhattan
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… READ THE REST
Spend $70 and get $150 worth of data with this lifetime eSIM that helps you dodge roaming charges
Disclosure: Boing Boing earns a commission on purchases made through links in this post. TL;DR: Have more money to spend on fun during your next vacation thanks to this aloSIM Traveler's… READ THE REST
Microsoft Office Pro 2021 is down to $29.97, plus free training
Disclosure: Boing Boing earns a commission on purchases made through links in this post. TL;DR: Pay once for Microsoft Office Pro 2021 and get Word, Excel, PowerPoint, Outlook, Access, and more —… READ THE REST
Make ChatGPT, Claude, and other AI tools work better for you with this $30 prompt tool
Disclosure: Boing Boing earns a commission on purchases made through links in this post. TL;DR: Go from idea to an optimized prompt in seconds with this lifetime subscription to Prompting Systems,… READ THE REST
