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 ...

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

Remember: before you start using rules of thumb, be sure to read the Rule of Thumb #0: How to use them wisely. What is Bandwidth? Bandwidth is the highest sine wave frequency component that is ...