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hello

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this video of a ufo by cesar escola was

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quite popular on instagram and some

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spanish-speaking news media

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but unfortunately it just shows a fly

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it's close to the camera so it looks

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like it's moving very fast like my

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finger is here moving a fly speed

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when looking at videos of flies it's

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useful to use the echo filter in after

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effects with the operator set to minimum

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to see several frames at once if we zoom

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in we can see the wings on the fly

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compare it to this footage of flies

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buzzing some cows is the same thing

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eventually a fly will cross the camera

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nearby in a straight line same speed

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why bother with explaining this well

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there's two reasons firstly is popular

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lots of people are asking about it so

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it's a fun teaching opportunity

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secondly it will happen again these

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videos of flies as ufos have been

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cropping up for decades so having a

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short video like this explaining what a

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flyer looks like is a handy reference to

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quickly explain what we are looking at

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next time it happens

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thanks for watching if you like this