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You are here: Home / Google+ Posts / Rainbows are circles, not arches

Rainbows are circles, not arches

July 26, 2017 by Paul Spoerry 1 Comment

Mind blown
This video, shot by a crane operator working on the 1,500 ft tall Lakhta Centre skyscraper in St Petersburg, Russia, shows it in all it's round glory.

In theory, every rainbow is a circle, but thanks to the Earth's curvature, only the upper half can be seen. Go to a higher point, like the top of a construction crane or an airplane, and rainbows are revealed to be a complete circle.

Moar: http://www.physicsclassroom.com/class/refrn/Lesson-4/Rainbow-Formation

Check this out on Google+

Filed Under: Google+ Posts

About Paul Spoerry

I’m a groovy cat who’s into technology, Eastern Thought, and house music. I’m a proud and dedicated father to the coolest little guy on the planet (seriously, I'm NOT biased). I’m fascinated by ninjas, the Internet, and anybody who can balance objects on their nose for long periods of time.

I have a utility belt full of programming languages and a database of all my knowledge on databases... I practice code fu. Oh, I've also done actual Kung Fu, and have a black belt in Tae Kwon Do.

I run. I meditate. I dance. I blog at PaulSpoerry.com, tweet @PaulSpoerry, and I'm here on Google+.

I'm currently work for IBM developing web enabled insurance applications for IBM and support and develop a non-profit called The LittleBigFund.

Comments

  1. Ron Kaiser says

    July 26, 2017 at 9:51 am

    Wow, how cool is that? Thanks for sharing.

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