Monthly Archives: February 2019

Postage stamps and other big numbers

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A continuing theme of this blog is that humans have a difficult time grasping some basic math, even if their futures depend on it. A combination of “scare quote” stories I have read recently about the size of the national debt as well as discovering the new price of first-class postage stamps (now 55 cents) set my mind on the… Read more »

“Testosterone Rex” meets the U.S. Congress

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There has been no more interesting contrast in recent history than to see side-by-side photos of the swearing in of the 2019 U.S. House of Representatives. On one side, a diverse mix of young and old, men and women, and of various ethnicity. On the other side, a bunch of mostly-old white men like me, all dressed in dark suits:… Read more »

Can self-driving cars be moral?

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Caltech physicist Sean Carroll presents one of the best science podcasts, called Mindscape, and a recent episode featured philosopher Derek Leben. Leben has been researching how self-driving vehicles might be programmed when faced with what we would typically call a moral dilemma if faced by a human. For instance, if there were no choice but to swerve the car into a brick… Read more »