If you’ve ever snapped a photo of a plane’s spinning propeller, and then scratched your head over the bizarre results, this hypnotic Gif will help you understand what exactly went wrong—although ...

An error has occurred. Please try again. With a The Portland Press Herald subscription, you can gift 5 articles each month. It looks like you do not have any active ...

Question: Why are the hurricane hunter planes only twin turboprops and not the regular fan jets that passenger planes use? Answer: The turboprops are more tolerant of hail than the jets. Airplanes ...