Web filtering is an unfortunate necessity at many businesses. Ideally, employees would use their browsers responsibly and keep their personal use down to an acceptable level. Often, though, otherwise good employees make inappropriate use of the Web, and HR departments call for filtering to keep it under control. Continue Reading
Innovation is what begins the cycle of technological evolution. Consider the telephone. Supposedly, Alexander Graham Bell made the first successful telephone call on March 10, 1876 and cited it in his laboratory notebook. This thought usually instills an image of a bearded man using a rotary dialed phone with a separate earpiece for listening and mouthpiece for speaking. This invention went on to many different incarnations over the next century and a half roughly including a unified headset for listening and talking, push buttons, and even cordless technology. Continue Reading
Computing equipment likes a nice, steady flow of current. Sudden overvoltages can damage or destroy a computer. These can come from a lightning strike, a fallen tree shorting the power lines, a squirrel in a transformer, or just a poor-quality power grid.
Undervoltages are bad too. They most often come from brownouts when demand on the power grid is high. When the outlet isn’t delivering enough voltage, power supplies have to draw more current to compensate, stressing them and possibly causing long-term damage. Continue Reading