The valveless pulsejet engine is one of the simplest known engines, consisting of just a hollow pipe with no moving parts.

It ran high compression when rivals had given up, beat its big-block sibling, and vanished in twelve months.

NEW DELHI – In a significant development for India’s indigenous fighter jet program Hindustan Aeronautics Limited (HAL) on November 7 inked a deal with US-based General Electric (GE) for the supply of ...