Look, Sodastreams are great for their convenience and ubiquity, but there are some drawbacks. For starters, you can only use them to carbonate water. On top of that, the cost of the replacement CO2 cartridges (which you need to keep yourself "in bubbles") is higher than it needs to be. We’ve explored other systems that let you carbonate cocktails
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If you’ve ever been to an amusement park, you may have noticed ride designers using some non-traditional platforms as projection screens — the most common example being a steady stream of artificial fog. Projecting onto transparent substances is a different story, however, which made this latest technique a bit baffling to say the least. Colloidal Display, developed by Yoichi Ochiai, Alexis Oyama and Keisuke Toyoshima, uses bubbles as an incredibly thin projection “screen,” regulating the substance’s properties, such as reflectance, using ultrasonic sound waves from a nearby speaker. The bubble liquid is made from a mixture of sugar, glycerin, soap, surfactant, water and milk, which the designers say is not easily popped. Still, during their SIGGRAPH demo, a motor dunked the wands in the solution and replaced the bubble every few seconds.
A standard projector directed at the bubble creates an image, which appears to be floating in the air. And, because the bubbles are transparent, they can be stacked to simulate a 3D image. You can also use the same display to project completely different images that fade in and out of view depending on your angle relative to the bubble. There is a tremendous amount of distortion, however, because the screen used is a liquid that remains in a fluid state. Because of the requirement to constantly refresh the bubbles, and the unstable nature of the screen itself, the project, which is merely a proof of concept, wouldn’t be implemented without significant modification. Ultimately, the designers hope to create a film that offers similar transparent properties but with a more solid, permanent composition. For now, you can sneak a peek of the first iteration in our hands-on video after the break.
Gallery: Colloidal Display hands-on
Filed under: Displays
Colloidal Display uses soap bubbles, ultrasonic waves to form a projection screen (hands-on video) originally appeared on Engadget on Fri, 10 Aug 2012 12:24:00 EDT. Please see our terms for use of feeds.
There are waterfall screens, but what if you’d like your display to be a little more… pristine? Researchers at the University of Tokyo have developed a display that hits soap bubbles with ultrasonic sound to change the surface. At a minimum, it can change how light glances off the soap film to produce the image. It gets truly creative when taking advantage of the soap’s properties: a single screen is enough to alter the texture of a 2D image, and multiple screens in tandem can create what amounts to a slightly sticky hologram. As the soap is made out of sturdy colloids rather than the easily-burst mixture we all knew as kids, users won’t have to worry about an overly touch-happy colleague popping a business presentation. There’s a video preview of the technology after the jump; we’re promised a closer look at the technology during the SIGGRAPH expo in August, but we don’t yet know how many years it will take to find sudsy screens in the wild.
University of Tokyo builds a soap bubble 3D screen, guarantees your display stays squeaky clean (video) originally appeared on Engadget on Fri, 29 Jun 2012 20:58:00 EDT. Please see our terms for use of feeds.
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