Word: opticality
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...sells all the tools needed to create the experience. The device that converts hand motions into signals the computer can understand is called the DataGlove. Optic fibers sewn onto the fingers are supposed to detect the slightest movement of the digits. A head-mounted display that looks like an oversize skin-diving mask is called the EyePhone. Built-in headphones provide stereo sound, and a pair of liquid-crystal-display screens creates stereoscopic images that give the illusion of three dimensions. Both glove and headset are equipped with electromagnetic sensors that track changes in position and orientation. For computer power...
...answer is that in the age of the fax and the fiber-optic cable, federation is the future. But federation works only under the condition of freedom. Otherwise what passes for federation is really colonialism. And though colonialism had a good 500-year run, it is spent. The only way to turn colonial empires into real federations is to allow them to break up into their constituent parts and hope that in their wisdom they will see fit to knit themselves back together again...
...maintaining a constant ebb and flow. But in those with glaucoma, the drainage canals are somehow blocked, leading to an increase in pressure. "Glaucoma is a plumbing problem," says H. Dunbar Hoskins of the San Francisco-based Foundation for Glaucoma Research. If left untreated, the pressure eventually harms the optic nerve. The reason for the buildup is not known...
...Micro-optical systems to focus lasers to the precision required for fiber- optic communication...
...Ames Research Center, visitors who put on special computerized gloves and helmets can actually experience what it would be like to explore various 3-D worlds -- a space station orbiting the earth, for example, or the landscape of Mars. The gloves are equipped with magnetic position trackers and fiber-optic sensors that telegraph every movement of the hand directly to the machine. The helmet is equipped with a pair of stereoscopic TV projectors, one for each eye, that are carefully coordinated so that a slight turn of the head to the right will shift the entire synthetic world...