A look inside the P. van der Wegen Gear factory, where they make enormous gears for mining applications. While the process of milling these massive parts is truly fascinating, we can only imagine what they look like when in use in the machinery they’re destined for.
Awesome Etc On The Awesomer
No this isn’t one of those log flume rides from a waterpark. What you’re about to witness is the point of view of a large piece of wood as it makes its way through the RedStag Timber sawmill. We’re impressed they didn’t cut their camera in half or sand it down along the way.
These days, those of us in big cities take subways for granted. But in the 1860s, the idea was just being tested for the first time. London, England’s underground project wasn’t exactly easy, but its impact on urban development would be felt to this day. TED-Ed explains.
Balancing expert Rocky Byun shows off his skills yet again, taking five glass bottles of various shapes and sizes, and precariously balancing them on one another. But that’s not all – the whole setup was done inside a wobbly picture frame dangling from the ceiling.
CGP Grey narrates and animates Nick Bostrom’s brilliant 2005 paper – a fable about a dragon that reflects humanity’s progress in extending our lives through medicine. It speaks to how adversity drives ingenuity and the tenuous equilibrium between faith and science.
“The worst is when I go to Japan, all those cars are so small over there.” A classic 1984 interview between David Letterman and wrestling great and The Princess Bride star André The Giant, as he chatted about his size, his wrestling injuries, and how he relaxed.
DONG host Michael recently visited Sydney, Australia and noticed a strange optical illusion – the famed Sydney Opera House looks like it gets larger the further back you stand from a window looking out at it. Apparently, it’s related to the size and position of an object’s frame.
In theory, energy consumed by a black hole is trapped forever. But it turns out it might be possible to harness the rotational energy of a spinning black hole to do everything from powering civilization to creating the biggest explosive device ever. Kurzgesagt explains.
The roboticists at Garner Holt Productions show off their proudest achievement to date. “Alfred Jingle Machina” is an animatronic head that can move more smoothly than any before it, replicating human expressions better than ever. Maybe Westworld isn’t that far off after all.
(PG-13: Language) If you can believe it, YouTube has only been around since 2005. Lots of things have changed with the service since then, and Casually Explained is here to casually explain the history of Google’s video juggernaut, and what its changes have meant for creators.
Hundreds of millions of years ago, the earliest ancestors of cephalopods like squids rose up from the ocean floor, donning a hard shell. PBS Eons explores the evolutionary adaptations that caused the squid to shed its protective outer covering to improve its mobility.
After creating knives from fish, foil, and chocolate, pasta, Kiwami Japan shows us how to make a surprisingly sharp knife using ordinary plastic kitchen wrap. The main trick is to melt it down and flatten into a hardened sheet before sculpting it into a blade.
Mat from UK channel Techmoan loves to dig up obscure old technology and examine it in depth. Here, he checks out an old 1970s tech from 3M and Ricoh which allowed audio to be recorded and played back from sheets of paper which were backed with a magnetic coating.