Sendmail's new NT 3.0 product provides NT administrators with security features, like header scanning, relay access control, and better defenses against theoretical attacks, to which Unix and Linux system administrators are already accustomed.

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In April, China launched its first tracking data relay satellite to lessen its dependency on ground satellite control and relay stations.

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They take aim at one or more of three emerging targets: These are peroxisome proliferator-activated receptors (PPARs), which are akin to master relay switches that control how the body uses sugar and fat.

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The ground control stations send their commands to Reaper via a fibre-optic link to a satellite relay station in Europe, which bounces them into space and back down to the aircraft.

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One way this can be successfully accomplished is by "multiplexing" the electrodes normally used to relay touch input -- that is, using the same electrodes to handle the signals for both touch control and the pixels of the LCD, according to a 2010 IHS report on touch-screen displays.

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