NASA's newest rover Curiosity, is zipping through space, slated to enter the Martian atmosphere early morning eastern time on Monday, August 6. (Image: NASA)
At the PBS NewsHour site, space journalist Miles O'Brien recounts the history of human exploration of the red planet, leading up to this Sunday's planned landing by the Mars Science Laboratory rover Curiosity. It's gonna be a nail-biter. Snip:
Ralph Harvey is a professor of planetary minerals at Case University. He spends a lot of time looking for Mars meteors in Antarctica. He has not yet seen anything that says "life" to him:
"When we argue about signs of possible life on Mars it's always the most subtle thing you can imagine," he told me a few years ago. "Something at the very edge of measurability, and life did not proceed that way on earth. Life is in your face. Life is something we have to scrape off the rocks to get to the story of the rocks. And I don't see that on Mars. I don't have that sense about Mars. So life on Mars is going to have to get in my face for me to believe it."
But what if life on Mars is hiding deep beneath the surface -- say in an underground aquifer? Could there be an underground habitable zone on Mars today?
Are We All Martians? The Curious Hunt for Life on Mars (pbs.org)
Maciej Ceglowski (previously) spoke to a O’Reilly’s Strata Big Data conference this month about the toxicity of data — the fact that data collected is likely to leak, and that data-leaks resemble nuclear leaks in that even the “dilute” data (metadata or lightly contaminated boiler suits and tools) are still deadly when enough of them […]
Some day, you may be the defendant in a criminal trial that turns on whether the software in a forensic device reached a reliable conclusion about a DNA test or other piece of evidence. Wouldn’t you like to have your own experts check the source code on that device?
Urine is golden so it must have some link to gold, thought medieval alchemists seeking to devise methods to transmute base metal into gold. Not quite, but they did discover that pee is rich with the miraculous bearer of light, aka phosphorus. (American Chemical Society)
Shake, stir, and muddle your way to delicious homemade cocktails with this must-have bar set. Expect only the finest quality tools from MakersKit — enabling you to unleash your inner mixologist.Top 12 Favorite Things of 2014, Sunset MagazineQuart-size vintage-style Mason jar shakerRetro double jigger for accurate measurementsStrainer & spouts for a mixologist-style smooth pourHardwood muddler […]
The Lytro Illum dares to be different, boasting even more robust features than its first generation predecessor and a sleek design reminiscent of professional DSLRs. What’s so cool about it? Most cameras capture the position of light rays, producing a statoc 2D image.
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