SAN FRANCISCO (KGO) -- With the upcoming holiday, many people are relying on at-home COVID-19 tests but whose tracking the number of positive cases from those tests? Ben Juang was planning to go to ...

Americans have become accustomed to using hand sanitizer more and more in the past ten years, but researchers warn that frequent use could cause a false positive in an alcohol consumption test. The ...

Pasternack unveiled a new line of skew-matched cables for use in high-speed digital tests of 10 Gbits/s to 28 Gbits/s, including differential signals, bit-error-rate testing, and eye diagrams. The ...

In the first part of this article, I described skew, where it comes from and the problems it causes. Here, I will describe how to avoid and/or fix skew. As a brief overview, differential signaling has ...

Q: I was put on a special diet for a medical test. It called for no caffeine. Why couldn't I have decaf coffee or tea? A: Decaf coffee and teas still contain a bit of caffeine (about 1 to 3 percent).