In “Asteroids Good and Bad” we touched on NASA’s plans to detect asteroids as well as to eventually land on one and “redirect” a piece of it into orbit around the Moon. Why the interest in these space rocks? Asteroids have pounded Earth for billions of years, and they’re not done with their mission, as … More ABC Asteroid XYZ
NASA’s new 2016 budget includes money for two asteroid missions. One of those missions continues an effort underway for years, the detection of near-Earth objects (NEOs), asteroids that pose a risk of colliding with our home planet. The other mission proposes to land on a near-earth asteroid, pick up a large boulder from its surface, … More ASTEROIDS GOOD AND BAD
It’s my birthday, and Dave’s and Mary’s and Sean’s too! We’re in a neighborhood dinner group consisting of six couples. One evening a few years ago we came to the rather amazing discovery that of the twelve of us, four shared a March 18th birthday. Now the chance that two people meeting on the street … More What Are the Odds?
One’s perception of risk doesn’t always match up well with the reality. Today, the sixth of October in the year two thousand and fourteen, the risk of Ebola dominates the news. It seems to be a scary time. This perceived risk has persuaded some elected politicians to call for travel bans, something you don’t hear … More Risk: not a game
The video opens with the following quote: “Power concedes nothing without a demand. It never did and it never will. —Frederick Douglass This statement and its author tell us much about the documentary that follows. The focus is on action, in keeping with the title itself, Disruption. The target of the action is, clearly in … More DISRUPTION: A review of the climate change documentary
this view of earth 