TV Review: Cosmos, Episode 7

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(I've decided to review the new Cosmos series hosted by Neil deGrasse Tyson that's airing on Fox. If you missed it, you can stream full episodes online.) Cosmos: A Spacetime Odyssey, Episode 7, "The Clean Room" There may be some fields of science that have absolutely no political implications, but they're few and far between. Scientists stand on the front lines of humanity's advancing knowledge, and as such, they're often the first people to glimpse a looming danger, one that can only be … [Read more...]

Inundations

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The webcomic xkcd is one of my daily reads, so I've been enjoying this article on Wired about its creator's most ambitious project yet. Most of xkcd's comics are one-panel jokes, but starting in March, he unveiled an astonishing comic called "Time" - an animation consisting of over 3,000 separate frames, posted gradually over a period of several months. What at first seems to be a simple story about two people building sandcastles on a beach shore and wondering about the origin of the sea is … [Read more...]

A Geological Mystery

This weekend, I was upstate in the Hudson Valley visiting my parents, and we went hiking along the ridge of Schunemunk Mountain. While we were walking, I spotted the rock depicted in the image accompanying this post, a reddish pebble about a thumb length in diameter and cemented into a loose boulder of conglomerate the size of my head. You can probably see what it is about it that caught my attention: its surface was clearly marked with three dark, smooth, concentric ovals, almost perfectly … [Read more...]


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