NEW YORK (CBSNewYork) --Subway signal malfunctions at 34th Street-Herald Square brought the morning rush to a crawl again on Tuesday, creating potentially dangerous ...

HERALD SQUARE, Manhattan (WABC) -- It was a frustrating morning commute for straphangers on the B, C, D, E, F and M lines Tuesday because of signal problems at Herald ...

Editor's note: This article is the first of two parts. If you spend any time on a test bench, you probably use square waves to test components, subsystems, and systems. You can get square waves from ...

In the first installment of this course, we learned that a digital value is a quantity that varies “in steps” and can take on only a finite number of values. In today’s logic systems, only two ...