David H. Hathaway
Jan. 27, 2012
How ‘Space Weather’ Affects Planes And Power Grids
Solar explosions earlier this week sent X-rays and charged particles screaming towards the Earth.
sun solar flare space weather
Jul. 02, 2010
Sun Activity
The sun has been in a relatively quiet period in recent years -- but astronomers say that's going to change soon.
sun, solar, heliosphere, solar storm, sunspots
AVAILABLE IN ITUNES
Michael Pollan Talks Plants and Food
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From the Vault
Ira Asks: How Do They Make Eyeglasses?
You deliver your prescription to an optician, and they return with a pair of eyeglass lenses tailored precisely to your personal vision quirks. But how?
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