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There are sounds that people can hear and there are sounds that people just can't hear. It has to do with the frequency response of the human ear or the [...]

HACKERS, CRACKERS AND OTHER VIRTUAL outlaws are increasing their attacks on small networks, but you can turn them away with a firewall--assuming you have one, that is. According to the [...]

WITH SO MUCH OF YOUR WORK force on the road, maybe it's time to replace some of your aging desktops with portables. The latest generation of high-end notebooks means workers [...]

IF A PICTURE IS WORTH A THOUSAND words, then certainly a polished sales presentation--complete with digital slide show and video materials--will speak volumes about your company. But how do you [...]

Discusses an ultrasonic listening device used for listening sounds in the ultrasonic frequency range. Ultrasonic transducers; Electric circuit analysis; Design of the device; Components of the device.

The article evaluates the LaserJet printer 1020 from Hewlett-Packard Co.