Protecting family treasures during hurricane season

When preparing for what could be a busy hurricane season, LSU Archival Expert Ed Benoit warns planning ahead is critical. When responding to a natural disaster gathering precious items and documents can be low on the priority ...

Three-dimensional imaging with optical frequency combs

Holography is a powerful technique of photography of a light field without a lens for 3D imaging and display. Now, scientists at the Max-Planck Institute of Quantum Optics are moving holography forward by implementing it ...

Internet-connected 'smart' devices are dunces about security

These days, it's possible to use your phone—and sometimes just your voice—to control everything from your TV to your lights, your thermostat and shades, even your car or medical device. (At least, once you have gadgets ...

In world of internet-enabled things, US says security needed

The Obama administration urged companies on Tuesday to make millions of devices safe from hacking, underscoring the risks posed by an increasingly bewildering array of internet-connected products permeating daily life, covering ...

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Digital video recorder

A digital video recorder (DVR) or personal video recorder (PVR) is a device that records video in a digital format to a disk drive or other memory medium within a device. The term includes stand-alone set-top boxes, portable media players (PMP) and software for personal computers which enables video capture and playback to and from disk. Some consumer electronic manufacturers have started to offer televisions with DVR hardware and software built in to the television itself; LG was first to launch one in 2007. A digital camcorder combines a camera and a digital video recorder. Also, mobile phones often have a camera as well as some digital video recording capability.

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