When did indoor air become cold and clean? Air conditioning is one of those inventions that have become so ubiquitous that many in the developed world don’t even realize that less than a century ago, ...

Sometimes, you stumble upon an invention that makes you wonder, "How did they even think of this back then?" Some ideas were way ahead of their time, only to be forgotten or overshadowed by newer ...

THE rôle of prophet of the industrial development ot the discoveries of science is one not lightly to be assumed, especially if it is the aim of the prophecy to cover so long a period as a hundred ...

A valve invented by engineer Nikola Tesla a century ago is not only more functional than previously realized, but also has other potential applications today, a team of researchers has found after ...