Pratt & Whitney believes HySIITE-derived steam-injection technology could potentially feature on updated versions of the geared turbofan by the mid-2030s. Credit: Pratt & Whitney Seventy years after ...

In a world propelled by combustion engines, gas turbines and nuclear reactors, the steam engine may seem like a relic of the past. But without this game-changing invention, the modern world would be a ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Each Monday, this column turns a page in history to explore the discoveries, events and people ...

In the late 1960s, the US government asked car companies to come up with ways to make their cars pollute less. Smog had recently become a big concern–particularly in California–and the Feds encouraged ...