A clever combination of motorized reaction wheels, sensors, processors and software allow the 15cm^3 Cubli to balance on its corner or edge, and to stabilize itself in the face of disturbances, or spin on its corner. It can also ramp up its wheel speed, brake them suddenly and use the angular momentum to leap up onto its corner from a flat rest, then fall onto a proscribed side, and leap up -- walking, in other words.
The Cubli is a 15 × 15 × 15 cm cube that can jump up and balance on its corner. Reaction wheels mounted on three faces of the cube rotate at high angular velocities and then brake suddenly, causing the Cubli to jump up. Once the Cubli has almost reached the corner stand up position, controlled motor torques are applied to make it balance on its corner. In addition to balancing, the motor torques can also be used to achieve a controlled fall such that the Cubli can be commanded to fall in any arbitrary direction. Combining these three abilities -- jumping up, balancing, and controlled falling -- the Cubli is able to 'walk'.
The Cubli: a cube that can jump up, balance, and 'walk'
Studio North was commissioned to refit an old elevator shaft in a converted warehouse loft in Calgary; they built a tall, narrow library with climbable shelves whose hand- and foot-holds retract into the shelving.
Libretaxi is an open source project that lets anyone become a rideshare driver in less than a minute; it has more than 20,000 users worldwide, and is maintained by Roman Pushkin, who started the project in December 2016 and is now planning to quit his job and work on it full time.
Mister Alphabet is an action-figure designed to cleverly bend and contort into every letter of the Latin alphabet; the website is long on trademark warnings and arty Instagram photos, but short on details, like, “Is this an object of commerce?” and “If so, where does one buy it?” (via Kottke)
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 […]
The Raspberry Pi Foundation has done outstanding work packing a fully capable desktop computer into a package the size of a deck cards—especially one that only costs $35. But if you already have a working laptop, why should you care? Oh, how much you have to learn. Besides operating well as a compact digital media hub, […]