We’ve seen a few H-bridge circuits around these parts before, and here’s another application. This time we have an Old Train ...

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Jesus Martinez of northwest suburban Northlake was charged with felony arson and criminal damage of government property, Chicago police said Sunday.

The emission of photons by excited nuclei has been explored for timekeeping and sensing, but nuclear processes that eject electrons offer practical advantages. Electrons in atoms can exist only in ...

Fortescue has taken the wraps off a prototype of its proposed “Infinity Train” electric locomotive, making the 1,100 km (about 685 miles) trip from Perth to the Pilbara and marking a major milestone ...

Clocks on Mars tick faster by about 477 microseconds each Earth day, a new study suggests. This difference is significantly more than that for our moon, posing potential challenges for future crewed ...

Update (6:08 PM): Union Pacific says that a person was on the tracks near North Clark Drive and El Paso Drive. The person, whom Union Pacific refers to as a "trespasser," was hit by the train. Union ...

The U.S. government calculates the country's official time using more than a dozen atomic clocks at a federal facility northwest of Denver. But when a destructive windstorm knocked out power to the ...