If a flat Earth was spinning and orbiting like Earth, wouldn't the revolution of the flat surfaces behave like a fan and make so much wind everything would be blown off into space?
So many questions...
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If a flat Earth was spinning and orbiting like Earth, wouldn't the revolution of the flat surfaces behave like a fan and make so much wind everything would be blown off into space?
So many questions...
NOt if it has grooves like a record , in this case instead of going to the centre, the people end up in cities.
So if the earth was flat,what would birds do,turn around and come back or keep going?
Can birds fly upside down?
Can a bird fly without down?
A bird’s wing feathers are mounted like slats on a venetian blind. They only lock together to form a solid aerofoil against airflow from below. If they fly upside down, the feathers rotate open and let the air through. But geese do use a manoeuvre called ‘whiffling’ where they roll their body upside down and twist their neck to keep their head the right way up. This lets them rapidly lose speed and height for a fast landing.
The only bird that can fly backward is the hummingbird. Hummingbirds have a special ball-in-joint shoulder socket that enables them to fly backwards, upside down and upright because it can be rotated 180 degrees. Hummingbirds hover by moving their wings in a figure-eight pattern.
[wink11]
I suppose that would depend if you had showed them a good time or not.[biggrin]
Quote:
The only bird that can fly backward is the hummingbird. Hummingbirds have a special ball-in-joint shoulder socket that enables them to fly backwards, upside down and upright because it can be rotated 180 degrees. Hummingbirds hover by moving their wings in a figure-eight pattern.
Something the aviation manufacturing world could look at as well.
An A380 doing that? I'd like to see that.[smilebigeye]
I’ve always wondered why it’s always someone else that wins Tattslotto