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Trust me, I'm an aerodynamicist.
Helicopters can lose hover ability at any altitude. It isn't just ground effect, it's a toroidal recirculation that builds up around the rotor disk. The tip vortices of the blades combine into a mother of a Polo mint, and the chopper drops.
Escape? Forward dive into clean air.
as it started to stabilise before it hit the ground
Nope.. its spin started to match the rolling shutter. That's why the picture looks like a TV that's lost vertical sync with the blue sky looking like a river instead of a hemisphere and continually rolling through the image.
We can program with only 1's, but if all you've got are zeros, you've got nothing.
A man had 50 yard line tickets for the Super Bowl. As he sat down, he noticed that the seat next to him was empty.
He asked the elderly gentleman on the other side of the empty seat whether anyone was sitting there. "No," the man replied, "The seat is empty."
"That's incredible!" said the first man. "Who in their right mind would have a seat like this for the Super Bowl, the biggest sporting event in the world and not use it?"
The elderly man replied, "Well, actually, the seat belongs to me. I was supposed to come with my wife, but she passed away. This will be the first Super Bowl we haven't been together since we got married in 1967."
"Oh, I'm sorry to hear that. That's terrible. But couldn't you find someone else -- a friend or relative, or even a neighbor to take the seat?" The old man shook his head. "No, they're all at the funeral."