How a retractable ballpoint pen works

I always enjoy short YouTube videos about engineering marvels, and this one is pretty incredible! The Palace Theater in New York is being preserved by raising it 30' off street level. READ THE REST

Bartosz Ciechanowski's animated tour of how a mechanical watch works is the best I've ever seen. Each component, from the spring to the second hand, is explained in plain English with clear, interactive diagrams. It really wound me up! Mechanical watches are not as accurate as digital ones. They require maintenance and are more fragile.… READ THE REST

A wealth of surprises lay in store here if you do not already know how balls are made! Raw balls are cut, deburred, ground and polished. Just wait 'til you get to the section on flashing! Dealing with uneven balls is quite the engineering challenge. This edition of the series of programs explaining the technology… READ THE REST

As the weather warms up, things tend to get more pungent, shall we say. One wrong move and the fridge gets left wide open, and you're stuck with a house that smells like trash and broken dreams. Even if something so drastic doesn't happen, smells pile up quickly, and it's challenging to part ways with them.… READ THE REST

Nearly everyone has scrolled through Instagram only to find an ad for the hotel they were just talking about 10 minutes earlier. Whether it was just a coincidence or you were "being listened to" is always up for debate. Still, it's hard not to feel uneasy knowing someone or something is potentially using your info to manipulate… READ THE REST

Even with today's massive array of innovative gizmos and gadgets at your disposal, getting your hands on professional-grade tech for your home can be a little tricky, not to mention quite expensive. And if you've ever searched for quality audio tools for your home studio, you likely have experienced this frustration. Whether you write and record your own… READ THE REST