The Cyclic Nature of Time

Fri, 01 Apr 2016

Summary The word time actually refers to two different abstract concepts. One is the length or duration of some event, such as That movie was over three hours long. The other is the period in time, as in That movie opened Friday. The date is a point within a larger set of cycles; The period is a select number of cycles. Click to Read More...


Computers and Time

Tue, 01 Mar 2016

How Here is how time works on computers, and on the networks connecting computers. Computers usually use two kinds of clocks. One is tied to the incoming voltage (110 in the U.S., 220 in Europe). Every voltage cycle causes an interrupt, either at 50 or 60 times per second. Another one is based on a crystal oscillator. Tension is applied to a piece of crystal in such a way that it emits a signal (usually between 5 million and 100 million times per second (or 5 to 100 Mhz). Click to Read More...


The Many Ways of Measuring Time on Earth

Mon, 01 Feb 2016

The We know each day on earth takes 24 hours. It is the time it takes the planet to make one complete rotation. But a day is not 24 hours exactly. In fact, the duration of a day only fluctuates around the time period of 24 hours. The length of a day varies for a number of reasons, and there are different time scales to account for all of variances. Some are based on the earth itself, and some are based on other stars. Click to Read More...


The Endless Pursuit of a More Accurate Time

Fri, 01 Jan 2016

A The history of time keeping is one of striving to tell the time in ever-more precise increments. We started measuring the passage of time in quarterly seasons, and now we measure it in billionths of a second. Improvements in time keeping drives human advancement; and human advancement drives improvements in time keeping. The two dance together in the same way that electricity and magnetism intermingle to form light. Click to Read More...


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