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1:00am

Fri August 10, 2012
Joe's Big Idea

So You Landed On Mars. Now What?

Originally published on Fri August 10, 2012 4:28 am

Credit Bill Ingalls/NASA / Getty Images

The Mars rover Curiosity is beginning its fifth day on the red planet, and it's been performing flawlessly from the moment it landed.

That's been especially gratifying for NASA landing engineer Adam Steltzner. Last Friday, while Steltzner was still on pins and needles waiting for the landing to take place, I told the story of Steltzner's decision as a young man to give up his life as a rocker and go for a career in space engineering.

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9:22am

Wed August 8, 2012
Krulwich Wonders...

Discussing The Mars Landing With My 137-Year-Old Grandfather

Originally published on Wed August 8, 2012 10:23 am

Yes, it was an amazing landing, an engineering triumph, a 150-million-mile slam dunk, spectacular in every way, except ... I think my grandpa would be disappointed. I'm not sure of this, since he died 50 years ago, but I have a hunch.

It starts with a handwritten letter he wrote back in 1907. He was a travelling salesman. He sold men's hats, and his job was to visit retailers all over the country. "One evening," he wrote, "train riding between Chicago and Kansas City or St. Louis, sitting the club car, I read a magazine, The Century..."

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3:02pm

Tue August 7, 2012
Sciencey Stuff

What The Heck Is A Troxler 3430 Surface Moisture Density Gauge?

Credit Troxler

That's certainly a mouthful. I’m also insanely curious, because the Denver Post is reporting that one was stolen last week.

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