This animated video shows how a combination padlock works

Kathrine Frey Frøslie uses crocheting to show how quickly Covid cases increase as the R-number (spreadability) goes up. What a cool way to visualize it! Kathrine Frey Frøslie works as associate professor in Biostatistics, and runs the popular science knitting blog Statistrikk.no. The crochet work is made for the exhibition CoviDesign at Greve museum in… READ THE REST

Enjoy the delightful music and animation in this 1966 FAQ explainer video to get Australians used to the switch from pounds, shillings, and pence, to dollars and cents. [Via r/ObcureMedia] READ THE REST

E-ink displays are usually monochrome, but tri-color displays are starting to become more common and affordable. The Adafruit video explains how tri-color e-ink displays work. READ THE REST

We always want to take a portable speaker out to the park or the beach, or out into the wilderness on our outdoor adventures. However, what you'll soon discover is many wireless speakers just can't handle the elements out there. Many fold up with just the smallest bit of jostling, dirt, or moisture. The HyperGear… READ THE REST

We love our iPhones and iPads. And, we love those devices almost as much as we hate the Lightning cables that power them. It's not the cables themselves that we hate as much as their finickiness and unreliability. Within a few weeks of coming out of the box, your connector has likely already suffered enough… READ THE REST

If a company wants to sell a better mousetrap, they build one. Or if they're a big-dog business with loads of assets, they simply find someone who's already building a better mousetrap and they buy 'em. That's what uber-rich Apple did in 2014 when they decided to bump up their headphone game by acquiring the… READ THE REST