The big mac index was invented by The Economist in 1986 as a lighthearted guide to whether currencies are at their “correct” level. It is based on the theory of purchasing-power parity (PPP ...
When Hector Xu was learning to fly a helicopter in college, he recalled having a few “nasty experiences” while trying to navigate at night. The heart-stopping flights led to his research of unmanned ...
One of the big draws of automation in agriculture aviation ... means they only can cover a fraction of the area of a plane and helicopters. That is providing an opening for companies building ...
The company also is developing helicopters that would carry cargo in ... there is better visibility of terrain at night. One of the big draws of automation in agriculture aviation is safety.