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posted by rhettallain vote down flag
blog.dotphys.net - 25 days ago
Comment on Parallax, what is it good for? by Cleon Teunissen
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About the views of the ancient greeks and later. To my knowledge: among greek scholars it was generally understood that the Earth had to be spherical. For instance, it was known that when there is a lunar eclipse the shadow that the Earth casts on the Moon is always circular. There were ...
Accretionary Wedge #21: Earth Science Outreach
magmacumlaude.blogspot.com - 11/1/2009
Accretionary Wedge #21: Earth Science Outreach
— magmacumlaude.blogspot.com — Happy Halloween! I hope you all are having a fun day of candy-and-costume-filled spookiness. And speaking of... playing different roles, Earth scientists wear one hat in particular that's very important: the Outreach Hat! That's why the subject of ... (more) Accretionary Wedge #21: Earth Science Outreach

Comments vote down The Accretionary Wedge found this 11/1/2009found this
The Mayans Warned Us: Don't Trespass In Yellowstone
twistedphysics.typepad.com - 20 days ago
The Mayans Warned Us: Don't Trespass In Yellowstone
— twistedphysics.typepad.com — Last night I settled down into a cushy high-backed chair, got comfortable, turned off my brain and... let my mouth hang open for three hours, while Hollywood spoon feed me a sweet gruel made of the worst dialogue, cheesiest moments and most ... (more) The Mayans Warned Us: Don't Trespass In Yellowstone

Comments vote down Uncertain Principles found this 20 days agofound this
blog.dotphys.net - 27 days ago
Parallax, what is it good for?
— blog.dotphys.net — Very simply, parallax is an apparent motion of an object due to a change in observation position.... Let me start with an example. Here are two photos. I took a picture of the cabinet in the background from two slightly different positions. In the foreground is a clone trooper that did not ... (more) Parallax, what is it good for?

Comments vote down rhettallain rhettallain posted 27 days agoposted this
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