Sight unseen

Article Abstract:

Superhuman vision may be possible following new laser surgery techniques employing adaptive optics. The adaptive optics system measures and corrects light distortion with mirrors. LASIK (laser in situ keratomileusis) improvements will also lower the risks and correct resulting problems.

Lasers, Optics, Adaptive, Adaptive optics, University of Rochester, Laser in situ keratomileusis

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Coping with crowding

Article Abstract:

The long-held rodent research studies showing devasting consequences of high population density do not apply to humans or other primates. Recent studies have shown that people are not more violent in densely populated cities or countries.

Social aspects, Population density, Collective behavior, Crowding stress in animals, Collective behaviour, Crowding (Population density)

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Adding a data crunch

Article Abstract:

The remarkable growth of hard disk drive sales has been pushed by improvements in miniaturization. Further technological growth will require creative innovations to get past the physical barrier of superparamagnetic effects.

Design and construction, Disk drives, Hard disk drives, Hard disks

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