Air conditioning is one of those inventions that have become so ubiquitous ... before air conditioning began at the beginning of the 20th century, people weren’t really hungry for air conditioning.

According to one estimate, McLean’s invention reduced the cost of shipping ... required to handle a small conventional ship half a century ago. A few crew members can manage an oceangoing ...

asked 2,000 adults in the Tokyo region to rate the greatest inventions of the 20th century in three categories: manufactured goods, culture and technology. Respondents were asked to take into ...

21. "The sun is willing to provide us with all the power we could ever use, but that great gift is a threat to powerful interests," he said. Opinion, Guest Voices ...

A sallow light rises over the land at the opening of 2001: A Space Odyssey, one of the most celebrated movies of the 20th century ... the most important early invention people came up with ...