The CH-47 Chinook is regarded by many as the world's most iconic helicopter. Dating all the way back to the Vietnam War, the ...

Over forty years ago, traveling by helicopter over New York City was certainly not unusual and, indeed, the luxurious and ...

Tandem rotor systems, commonly used in axial compressors, consist of two sets of blades arranged in a way that enhances aerodynamic performance. Recent research has focused on optimizing these ...

A dual inverter AC is a type of air conditioner that has a different compressor design when compared to conventional air ...

The CH-47 Chinook is one of the most iconic aircraft in the U.S. Army, known for its distinctive tandem rotor design. Introduced in 1962 by Boeing, the Chinook has evolved into a highly capable ...

We are at a critical time and supporting climate journalism is more important than ever. Science News and our parent organization, the Society for Science, need your help to strengthen ...

The Australian War Memorial in Canberra is undergoing a dramatic, $550 million redevelopment. Here are the highlights.

We drank wine straight from the bottle. Altadena residents inspecting the neighborhood (Tag Christof) A fleet of tandem-rotor helicopters flew overhead, close enough to rattle our apartment ...

Big square baling might be the cornerstone of Derek and Linda Keeble’s business, but a carefully selected tranche of other ...

Rob Dahm, notorious rotary-powered car builder, has firmly jumped into the deep end of the pool with his latest project: The world's only 15.7-liter, tri-turbo Y12 rotary engine. If that doesn't ...