The Big Think

November 13, 2009


Filed under: Technology — jasony @ 11:07 pm

A riveting computer recreation of Cactus flight 1549’s Hudson River ditch last year. After watching this I was impressed again with the Captain and FO’s professionalism and calm in a very stressful situation. Calm under pressure.

Opt Out

Filed under: Humor and Fun — jasony @ 10:52 am

Google Opt Out Feature Lets Users Protect Privacy By Moving To Remote Village

Finally, Information You Can Use

Filed under: Science — jasony @ 12:29 am

What Would Happen if I Ate a Teaspoonful of White Dwarf Star?

“Everything about it would be bad,” says Mark Hammergren, an astronomer at Adler Planetarium in Chicago, beginning with your attempt to scoop it up. Despite the fact that white dwarfs are fairly common throughout the universe, the nearest is 8.6 light-years away. Let’s assume, though, that you’ve spent 8.6 years in your light-speed car and that the radiation and heat emanating from the star didn’t kill you on your approach. White dwarfs are extremely dense stars, and their surface gravity is about 100,000 times as strong as Earth’s. “You’d have to get your sample—which would be very hard to carve out—without falling onto the star and getting flattened into a plasma,” Hammergren says. “And even then, the high pressure would cause the hydrogen atoms in your body to fuse into helium.”

read the whole thing.

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