Corrections & clarifications: A previous version of the story misstated a measurement of Internet speed. We know what “slow” internet is like: videos buffer, downloads lag and a single page can take ...

Are "internet speed tests" (like those from Ookla) a very poor measure of wireless internet performance? Are they just too crude to give a realistic appraisal of real WLAN performance?

Ok, it's been almost a decade since I've had to study Maxwell's equations, but I remember a certain facet from those equations that always astounded me. It was the fact that the speed of light could ...

Two speed measuring devices used by the law enforcement community -- the down-the-road radar with which officers enforce automobile speed limits and the ballistic chronograph which tracks the velocity ...

A crankshaft may experience irregular rotational speed patterns caused by a combustion engine’s discrete firing process. These excite components of the driveshaft, which causes rotational vibrations ...