Do you know how a differential works? Would you believe that the Chinese invented one nearly three thousand years ago, and used it as a non-magnetic compass to keep track of north and south as they traveled?
The figure on top of this amazing machine maintains its orientation no matter which way the chariot is pulled, pushed, turned or even how fast. How it does this is via a clever application of gears and mathematical ratios that would have earned the awe and admiration of Pythagoras, Euclid and Aristotle themselves.
It took us exactly eight prototypes to get the gearing worked out properly -- a fortuitous number, since eight is also the luckiest number in Chinese traditions.
This model is a 1/10 scale reproduction of the South Pointing Chariot. The completed kit stands 14 inches tall, 14 inches long and 7 inches wide. It contains over 37 precision cut hardwood pieces (not including the gear teeth), and when properly constructed, it really works!
Examples of the South Pointing Chariot can be found in fine museums all over the world, and now you can have your own museum quality model for your personal display of ancient technology.
I use this rocker garlic crusher several times a week. To use it, you just put a peeled clove of garlic under the crusher and rock the crusher over it a few times. It will smash the garlic through the holes, which you can then add to your food or skillet. When you are done, […]
Archilogic made this interactive 3D model of the Scranton branch of Dunder Mifflin from The Office. You can scan over the entire space under “floor plan view,” starting off with Pam’s desk and the office of Michael Scott. Then head past the galley kitchen and men’s and women’s bathrooms. You can zoom in and get […]
When you can’t wait for the world’s longest meeting to end, the mindless leg bouncing makes your boredom obvious and just annoys everybody else. Everyone knows the TPS reports need the damn cover sheet, but some sadistic colleague keeps forgetting, probably on purpose just to eat into your lunch hour. Enough is enough!While serving a […]
What could be more fun than a slingshot that shoots tiny airplanes? A slingshot that shoots tiny glowing airplanes of course! These toy planes are outfitted with ultra-bright LEDs, so you can fly all night without losing them in the trees.Whether you are a regular-sized child, or an overgrown adult one, these light-up flyers offer […]
You know the drill. You go to the dentist and they ask you how often you floss. You lie through your teeth and say, “every day!” (Bonus points if you have some cilantro or chives stuck in your gums from lunch). You don’t want to keep up the charade any longer, but rubbing that tiny strand […]