简介：random samplings from a universe of ideas

原站：http://cosmicvariance.com

标签：cosmic

“Cosmic Variance”的内容更新

累计：1408 篇（自 2007-04-02 起）

更新：约6篇/周，最后更新23 天前

Cosmic Variance

Unsolicited Advice XIII: How to Craft a Well-Argued

in almost any project, the path between “a good idea” and the “final exciting result” contained a proposal. it may have been a proposal to obtain access to scarce resources (like telescopes or accelerator beams), or it may be have been a proposal to obtain other more prosaic resources (i.e., money, to pay for the needed personnel and supplies). whate... (23 天前)

http://inezha.com/w/ae8j4kvu

Cosmic Variance

Your Favorite Deep, Elegant, or Beautiful Explanatio

the annual edge question center has now gone live. this year’s question: “what is your favorite deep, elegant, or beautiful explanation?” find the answers here.i was invited to contribute, but wasn’t feeling very imaginative, so i moved quickly and picked one of the most obvious elegant explanations of all time: einstein’s explanation for the unive... (23 天前)

http://inezha.com/w/5dhkvkvt

Cosmic Variance

Good News/Bad News: Nobel Edition

the good news about winning the nobel prize: you get better parking on campus.the bad news: sheldon cooper makes fun of you on national tv.of course you don’t need to watch the ceremonies to learn what all the scientists are wearing this year. i am reliably informed that a regular tuxedo is not good enough; you need to go full white tie and tails. (i... (23 天前)

http://inezha.com/w/4fzcpkvq

Cosmic Variance

Do I Not Live?

can we define “life” in just three words? carl zimmer of loom fame has written a piece for txchnologist in which he reports on an interesting attempt: biologist edward trifonov looked at other people’s definitions, rather than thinking about life itself. sifting through over a hundred suggested definitions, trifonov looked for what they had in common,... (23 天前)

http://inezha.com/w/c787sjvl

Cosmic Variance

Noisy Systems and Wandering Canines

there are three types of scientific explanations: those involving cats, those involving dogs, and those that aren’t very interesting. via andrew revkin, here’s a well-done animation that uses a dog to explain the difference between a long-term trend and a short-term variation.show this to your local climate denialist when they get confused about the ... (23 天前)

http://inezha.com/w/1chbfjvr

Cosmic Variance

Happy Birthday, Stephen Hawking

sorry for the light blogging of late. actual work intervenes, and it might remain that way for a while. but i’ll try to pop in whenever i can.stephen hawking is celebrating his 70th birthday today. that in itself is an amazing fact, just as it was amazing when he celebrated his 40th, and 50th, and 60th birthdays, as well as every other day he’s lived ... (23 天前)

http://inezha.com/w/p0zhkjvd

Cosmic Variance

Predictions for 2012

so you don’t enter the new year completely unprepared, here are my most secure predictions for 2012. unlike other prognostication websites, these predictions are based on science!1. freely-falling objects will accelerate toward the ground at an approximately constant rate, up to corrections due to air resistance.2. of all the radium-226 nuclei on the ... (23 天前)

http://inezha.com/w/3j8e4jv6

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