The ramblings of an Eternal Student of Life     
. . . still studying and learning how to be grateful and make the best of it
 
 
Tuesday, May 21, 2019
History ... Religion ...

Last month was April, when the Christian celebration of Easter and the Jewish commemoration of Passover occur. On Good Friday, which was also the first evening of Passover, I was thinking about Jesus. If you know me or have read what I’ve said on this site about Jesus, you know that I subscribe to the view embraced by a number of important scholars that Jesus was an innovative, apocalyptic First Century Jew who gained a following based upon his belief that he had discovered God’s plan to redeem the tribes of Israel from the foreign domination and oppression that it had been living under for many centuries (during Jesus’ life, under the Roman Emperor Augustus).

According to Jesus, God was looking for a Jew who would inspire the commoners around him (and maybe even some of the Gentiles in the area) to live a highly ethical life involving the sharing of resources and equality; in return God would sweep away the Romans and even the corrupt upper-class Jews who were collaborating with them (including the Temple establishment, in which the Sauducees were prominent but even the Pharisees were represented). Once the oppressors were gone, God would appoint an earthly representative, a “Son of Man”, who would possess heavenly powers along with the authority to justly rule the good people who had earned their place. Jesus probably had an idea as to who could be appointed to the “Son of Man” role once the Kingdom had arrived — namely, himself.

I wondered that Friday evening, how did this fit in with the messianic expectations of the Jews, how did this relate to the Passover story of freedom from Egyptian oppression and slavery? OK, under Jesus’s plan, the Jews of Palestine would be set free from Roman oppression and taxation (and also from an overbearing and corrupt Temple establishment, the subject of Jesus’s demonstration outside the Temple against the coin traders). But Jesus’s theory was unlike the Exodus under Moses, as it did not involve the Jews rallying around a human leader as to start a secular nation, harking back to the kingships of Saul, David and Solomon. Under the messianic wishes of most Jews at the time, especially the rural traditionalist Jews, a day would come when they would once more rule themselves  »  continue reading …

◊   posted by Jim G @ 9:03 pm       No Comments Yet / Leave a Comment
 
 
Thursday, May 16, 2019
Nature ... Photo ...

I don’t see many big moths like this around my place, not too often. But when you do see them, you never know where they will be. They sometimes find a place to land and just stay there for a while, motionless. I suppose that a moth would want to find a place where a bird couldn’t easily find it. For whatever reason, this moth figured that it was safe on the door frame under the porch. It stayed there for an hour or so, then it was gone. I hope that it had a good month or however long it lasted. Glad that we crossed paths.

◊   posted by Jim G @ 1:02 pm       No Comments Yet / Leave a Comment
 
 
Tuesday, May 7, 2019
Art & Entertainment ... Outer Space ... Spirituality ...

I don’t keep up with movies, but when something really interesting comes along (interesting to me, anyway), I eventually read enough about it to inspire me to see it. So, when the movie Interstellar came out in 2014, I didn’t rush to the theaters, although I did read a few articles about it. On the surface, Interstellar is a sci-fi tale about a near-future earth where climate change has pushed our modern industrial-scientific civilization to the verge of collapse, where the whole human race could go extinct. Why? Because the planet can no longer produce enough food and maintain the kind of atmosphere that we need. The clock is ticking to figure out how to find a new home for humankind, somewhere out there amidst the stars — out there in the “interstellar void”.

But how would we even get off the earth anymore? In the movie, our technology infrastructure is slowly collapsing; however, there is still just enough left to secretly re-create what NASA and the Soviet space program were doing during the last few decades of the 20th century. Also, there is some research going on about harnessing and manipulating gravity as a whole new way of moving millions or even billions of people out of our solar system – i.e., of opening up the interstellar realm for the future of humankind!

OK, so far so good, it’s an adequate backdrop for an interesting story; but there is a problem, in that the space technology of the late 20th century can get you into orbit, maybe even out to the moon and beyond to the planets; but it clearly cannot cross the huge void between our planet and even the closest neighboring star system. And as to manipulating gravity as a force, we’re not even close yet to understanding how Einsteinian relativity, our best description of gravity and time-space, resolves itself with quantum physics. For that, a “deus ex machina” is needed, something extraordinary  »  continue reading …

◊   posted by Jim G @ 9:15 pm       No Comments Yet / Leave a Comment
 
 
Wednesday, May 1, 2019
Personal Reflections ... Science ... Zen ...

I’ve been trying to grok the “Bell’s Spaceship Paradox” lately. Unless you REALLY know your special and general relativity, that one can really get your head spinning !! It’s a mental experiment meant to show that your intuition can be confounded by space-time relativity in more ways than you thought.

PART ONE — THE PARADOX

Bell’s Spaceship Paradox starts off with two spaceships that have equivalent weight and configuration. They will blast off and accelerate away from you, the observer, in your “frame at rest”. You have a ruler, which you use to measure the lengths of the ships and the distance between them just before they leave. Each ship has the same kind of rocket firing, and feels exactly the same force for the same length of time.

Oh, and the rockets are moving longitudinally away from you along the same line, one in front of the other. They are not side-by-side, they are moving in line. This is an important detail that isn’t always made clear in the layman’s explanations of this problem that you find on the web. Anyway, you have to imagine that the thrust from the lead rocket somehow does not affect the rocket behind it. Well, we can imagine some futuristic arrangement where that might be possible.

These rockets can go really, really fast, approaching the speed of light. And you know that weird things happen at that point. Basically, the two ships start out  »  continue reading …

◊   posted by Jim G @ 7:46 pm       No Comments Yet / Leave a Comment
 
 
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