The cloud is a metaphor referring to networks, specifically the Internet, that have been represented in engineering and network drawings for some time. In reality, the cloud is the latest iteration of a concept that has been called many things in the past including ASP (application service provider), on-demand, utility computing and as a service (Software as a Service, Infrastructure as a Service).

Cloud technologies are simply this:

A pool of computing resources (servers, storage, applications, and voice services) that is provided as-needed to businesses from a provider’s network, eliminating the need for on-site equipment, maintenance, and management. Cloud technology technologies enables IT departments to increase or add capabilities as needed without purchasing equipment and software, training employees to support it, and using office space, power, and cooling to house it.

They provide end users immediate access to new, always-on features from nearly any device in any location. They also provide the business a predictable, subscription-based, pay-per-use way to fund IT.

Hydrographic printing looks like a magic trick. You print a pattern on a see-through film, place that sheet on a tub of water and spray it with a chemical potion. When you immerse a bland 3D object in the tub, it bonds with the film and comes back out covered in chosen colors. This technique is hugely popular for transferring patterns on simple surfaces. But, the system lacks precision. Complex textures that are now common with 3D printers, stretch the film, and sometimes even tear it. The final pattern is often distorted. According to Wired, a group of researchers from Zheijiang University and Columbia University have devised a quirky dip-kit that adds computational capabilities to conventional hydrographics.

The team created a new apparatus with off-the-shelf hardware: a couple of aluminum rods and tripods. The twist in their technique is a 3D vision system, a Microsoft Kinect, that maps the location of the object before immersion. It gives them the ability to virtually simulate the distortion so they can use that calculation to print a precise image. In their demo video, when one of the rods slowly and consistently dips the object into the tub, the film in the water wraps around it and aligns perfectly. This method accounts for complex textures so you can immerse the object multiples times at different angles for life-like replicas.

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