strawdogs

and now for my next trick

spacejunk

leave a comment »

space junk edward tufte

From edwardtufte.com –

Nick Johnson, who worked at a military contractor in tracking possible ICBMs and distinguishing a missile attacks from space junk, prepared the 2 drawings used in my Envisioning Information. He told me in 1988 that he decided to make the space-junk object symbol just a little bit bigger than a random speck that might show up in making xerox copies!

/…/

Here is a current, non-visual summary of space junk as reported by space.com: there are 4,000,000 pounds now in orbit, and the estimated probability of a penetration of the Space Station in a 10-year period is .45.

— Edward Tufte, January 10, 2002

Advertisements

Written by Peter Rudd

July 27, 2009 at 4:52 pm

Posted in the world

Tagged with ,

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s

%d bloggers like this: