People have varying eyesight ability, or visual acuity. Some can see a speck in the distance, others not. When people argue in favour of see and avoid, they do not acknowledge this. Anything that can help should be embraced.
The review of this aircraft in the latest Sport Pilot is interesting, the plane sounds great. Am I right in thinking that a 17:1 glide ratio will make it quite sensitive to turbulence due low wing loading?
The video showing testing of the Mars Ingenuity chopper seems to show one rotor going the wrong way. I wonder if this was deliberate or the reason for the delay.
Sidney Cotton invented the Sidcot flying suit in 1917. It was so popular that the Red Baron was wearing a purloined one when he was shot down. Later Amy Johnson wore one.
I had just written an item about Australian aviation inventions for our aero club newsletter, I missed Warren and Grant. But they missed Sidney Cotton and Alf Traeger, who made the flying doctor possible.
This is a silly discussion. I learned in high school that mass is a property of the object and weight is the force it exerts due to the gravitational field it is in. What is hard or confusing about that?
My friend was required by CAsA to have a stress test for his Class 2. He did it against the advice of his cardiologist. He had a coronary event during the test. He was never the same and died of it some time later.