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Category: Web/Tech

  • Walk or Run in the Rain?

    George Rebane Time for little respite from matters political and geo-strategic.  Years ago I came up with a TechTest problem that asked if there were an optimal speed that minimized the amount of rain coming through the area of a car’s missing windshield.  A few days ago I ran into another form of this problem…

  • The Beta-Rho Sham? (Addended)

    George Rebane Here’s a little something from my financial engineering toy box that one or two RR readers may find interesting.  The discussion is a tiny bit technical, but the pictures should be accessible to all.  Most investors know that a stock’s beta (Greek β) is a number that indicates how well the security tracks…

  • Covid Policies and Continued Testing (Addended; updated 22dec21)

    George Rebane Governments here in America and around the world are fumbling around with Covid response policies as every new variant is discovered and infection cases surge and retreat.  People continue to be assured that the public agencies and their political leaders are “following the science”, even when there is no evidence of such following…

  • ‘I robot’ welcomes ‘I quit’

    George Rebane RR reader and longtime friend sent me a current piece on the theme of machines replacing humans in the workplace (here).  The article focuses on the current labor crunch reported under the ‘I quit’ spate of news articles.  Hard to tell how many jobs are actually going unfilled, but the number is somewhere…

  • Extraterrestrials and Religion

    George Rebane Recently the Ignatius Forum held a session on ‘The Future of Space’ at our National Cathedral attended by theologians, government space officials, private sector space entrepreneurs, and academics.  Among the latter was Prof Avi Loeb of Harvard who is also active in SETI and a member of the international SETI group (of which…

  • Speaking Algoristically

    George Rebane [Reading some recent papers on the current problems in the advance of deep learning, and causal inference as the next quantum leap in machine intelligence, I ran across a lot of discussion about what are still called algorithms.  It recalled the summary of a more facile syntax that I and several others have…

  • ‘A Thousand Brains’

    George Rebane Jeff Hawkins, cofounder of Numenta, is the author of A Thousand Brains – A new theory of intelligence (2021).  To many, me included, Hawkins has been a national treasure since his first book On Intelligence (2004).  After inventing the Palm Pilot and becoming wealthy, Hawkins has devoted his life to brain research as…

  • Bumblebrain’s Bungles – 14mar21

    George Rebane Here’s an exercise in critical thinking that’s been circling the backwaters of my brainbone.  Most of the nation has debated Biden’s mental capacity and come down on this side or that.  And during this time a lot of new evidence keeps coming in on the policies he’s intitiated and how he’s handling his…

  • Updating Beliefs, Knowledge, and Facts

    George Rebane I’m working on a piece that describes in a more formal and specific sense how people can have their own opinions AND facts, given that they all formulate or update them from the same body of newly arrived evidence.  How can that be?  The answer to that question also goes a long way…

  • ‘Luxury Floating Real Estate’

    George Rebane Living on a huge manmade island may be the thing of the future for those who can afford it and want to escape from the ever more contested and politically roiling lands that cover about 29% of the Earth’s 197,000,000 sq mi surface.  The first of these islands is being built off the…

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