A dent in aluminum is not the same as a dent in steel. Aluminum is heat-sensitive, work-hardens rapidly, and has a protective oxide layer. Steel — especially modern high-strength grades — resists ...

An intriguing historical film demonstrating many expensive business machines found in modern offices of the era including electromatic and Chinese typewriters and machines for filming stenciling ...

Next year, the first modern tunnel-boring machines ever used in New Jersey will arrive in North Bergen to begin drilling the first mile of the $16 billion Gateway Tunnel through the rocky Palisades.