News and analysis covering cutting-edge aviation technology and business models, including zero-carbon propulsion, eVTOL aircraft, automation and autonomy, and new infrastructure.

Duolingo was part of a free education wave that hit the internet in the early 2010s, as entrepreneurs saw the tools of the web and mobile to as a way to open up entrenched institutions to the masses.

The White House has started tearing down parts of the East Wing to make way for construction of President Donald Trump’s planned $250m ballroom. Demolition crews on Monday began work on ripping up the ...