My desk dictionary is a compact paperback model that lost the front cover many years ago. I use it a lot because I am a terrible speller. In grade school I was great at math, but lousy at spelling. It ...

Nearly 50 years ago, Norm Harty, president of N.B. Harty General Contractors Inc., was a driller and dynamite blaster for road and railway construction when Kenneth Bridegroom, a supervisor at a power ...

In the 1960s and early 1970s, the cyclone boiler was a popular choice for new coal-fired power plants. Cyclone combustion produces a high heat output while maximizing combustion efficiency. The ...