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  • Van Rijn's Avatar
    Yesterday, 06:20 AM
    Yeah, Iím not a birdwatcher, so I canít identify a lot of them. I would like to be able to identify more of their songs. Iíve heard one here with a...
    1786 replies | 264677 view(s)
  • Van Rijn's Avatar
    Yesterday, 06:11 AM
    Good for them. Though actually the USSR was the first to land on Mars, but it was only just a barely successful landing. Mars 3 landed in 1971, and...
    51 replies | 1449 view(s)
  • Van Rijn's Avatar
    Yesterday, 05:49 AM
    I watched the second season of Love, Death and Robots on Netflix. Again, this is an anthology show with short, mostly animated stories, with very...
    4058 replies | 734907 view(s)
  • Van Rijn's Avatar
    2021-May-14, 08:15 PM
    The fifth was the Hoover dam. Wind can get redirected and focused upward by the huge dam, and water from a water bottle or similar can be pushed up.
    11 replies | 127 view(s)
  • Van Rijn's Avatar
    2021-May-14, 08:09 PM
    Some links. Thatís a gravity hill: https://en.wikipedia.org/wiki/Gravity_hill Mystery spot: https://en.wikipedia.org/wiki/Mystery_Spot ...
    11 replies | 127 view(s)
  • Van Rijn's Avatar
    2021-May-14, 08:04 PM
    I was thinking, “Sounds like the California Mystery Spot” and it turns out that was #2 on the list. I found it underwhelming - basically a guy built...
    11 replies | 127 view(s)
  • Van Rijn's Avatar
    2021-May-14, 07:18 AM
    Van Rijn replied to a thread SpaceX in Space Exploration
    Well, that’s certainly ambitious. I thought they would do a series of booster tests before they jumped to that.
    4968 replies | 694709 view(s)
  • Van Rijn's Avatar
    2021-May-12, 01:53 AM
    Wow, about $7,000 for the arm and another $7,000 for the cartridge. I fully expect there is little if any advantage over arms and cartridges costing...
    1377 replies | 256868 view(s)
  • Van Rijn's Avatar
    2021-May-11, 01:28 PM
    Ars Technica has this article, based on a chapter in a new book called Amazon Unbound: ...
    82 replies | 8075 view(s)
  • Van Rijn's Avatar
    2021-May-11, 02:14 AM
    I have no doubt that they have the technical capability. Basically you fire rockets against the orbit so it drops down a bit and hits more...
    479 replies | 125516 view(s)
  • Van Rijn's Avatar
    2021-May-11, 01:44 AM
    Van Rijn replied to a thread SpaceX in Space Exploration
    Frankly, to me, it comes across as more of an excuse to work on NTR than anything realistic. It isnít obvious to me what any other country could do...
    4968 replies | 694709 view(s)
  • Van Rijn's Avatar
    2021-May-10, 02:31 AM
    Van Rijn replied to a thread SpaceX in Space Exploration
    So? That doesnít answer the question of why it is needed. Iíll believe a demonstration flight when I actually see it flying, and even if a...
    4968 replies | 694709 view(s)
  • Van Rijn's Avatar
    2021-May-10, 02:06 AM
    Thatís from 2016. Iím not sure if there was a problem then or if SpaceX has since changed operational procedures, but my understanding is that they...
    479 replies | 125516 view(s)
  • Van Rijn's Avatar
    2021-May-10, 02:00 AM
    Van Rijn replied to a thread SpaceX in Space Exploration
    Why is that even needed? It doesnít take very long to get to the Moon with a chemical rocket if you plan it right. Unless someone shows a...
    4968 replies | 694709 view(s)
  • Van Rijn's Avatar
    2021-May-09, 07:23 PM
    And that boiled down to two issues: Unexpected solar activity heated (and expanded) the outer atmosphere so it caused a faster orbital decay than...
    479 replies | 125516 view(s)
  • Van Rijn's Avatar
    2021-May-09, 04:23 AM
    This is more a case of what Iím not watching: Netflix has a show called ďJupiterís Legacy.Ē Itís another superhero show, but with characters Iíve...
    4058 replies | 734907 view(s)
  • Van Rijn's Avatar
    2021-May-09, 02:24 AM
    I turned off autocorrect on my tablet because it was more often autoincorrect. The final straw was a “correction” that would have been quite...
    1674 replies | 80523 view(s)
  • Van Rijn's Avatar
    2021-May-09, 01:07 AM
    Van Rijn replied to a thread SpaceX in Space Exploration
    Somewhat in jest, sometime back I suggested they eventually should fill one with instruments and an RTG or small reactor and put it on what would...
    4968 replies | 694709 view(s)
  • Van Rijn's Avatar
    2021-May-08, 07:42 PM
    Right, so again - why the two SSDs? Why not make the m.2 drive a bit bigger and drop the second SSD? You have three drives there, why not simplify...
    398 replies | 46579 view(s)
  • Van Rijn's Avatar
    2021-May-08, 01:26 PM
    In part, it is. Those are most of the rapidly changing surface features being discussed. And the “blueberries” (hematite spherules) account for...
    15 replies | 384 view(s)
  • Van Rijn's Avatar
    2021-May-08, 05:30 AM
    Sorry to hear that. I’ve had one cat that came back after a week, it looked like it had been in a big fight but I’ve had another that didn’t. So I...
    4905 replies | 846454 view(s)
  • Van Rijn's Avatar
    2021-May-08, 05:07 AM
    One big question: Why the two SSDs? My understanding is that the new m.2 drives are supposed to be able to handle faster throughput than SATA, but...
    398 replies | 46579 view(s)
  • Van Rijn's Avatar
    2021-May-07, 11:33 PM
    I’m a bit annoyed, I did a Google site search and didn’t find some of the posts I expected on Rhawn Joseph. Many years ago I wrote a fairly long...
    15 replies | 384 view(s)
  • Van Rijn's Avatar
    2021-May-07, 11:01 PM
    The Cnet article mentions that. It also mentions that they were caught republishing articles. They claimed it was a mistake. The Cnet article...
    15 replies | 384 view(s)
  • Van Rijn's Avatar
    2021-May-07, 10:12 PM
    Still paywalled for me. I think I looked at Popular Mechanics a month or two ago, so I think it works if you haven’t looked at the site. This...
    15 replies | 384 view(s)
  • Van Rijn's Avatar
    2021-May-07, 09:45 PM
    Bunk. Rhawn Joseph is listed as lead author. Rhawn has a long history of pushing pseudoscience. If you do a Google search on this site youíll...
    15 replies | 384 view(s)
  • Van Rijn's Avatar
    2021-May-07, 04:03 AM
    Van Rijn replied to a thread SpaceX in Space Exploration
    Exactly. It isnít just about Mars, it is just necessary for more than flags and footprints on Mars. But get the launch costs down, and we will have...
    4968 replies | 694709 view(s)
  • Van Rijn's Avatar
    2021-May-07, 02:48 AM
    Well yes, there is a big difference, but most people donít realize how good quartz clocks can be and it didnít used to be so easy to get an automatic...
    4605 replies | 895819 view(s)
  • Van Rijn's Avatar
    2021-May-07, 01:32 AM
    Exaxtly. It’s not a big deal to me here, but I remember the drifting clocks from the old days. I even wrote some custom software for my old PCs...
    4605 replies | 895819 view(s)
  • Van Rijn's Avatar
    2021-May-06, 10:32 AM
    Van Rijn replied to a thread SpaceX in Space Exploration
    I don’t see how Karman line hops could bring in big money. I thought New Shepard was mostly built so Blue Origin could get its feet wet designing...
    4968 replies | 694709 view(s)
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About Van Rijn

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"The problem with quotes on the Internet is that it is hard to verify their authenticity." ó Abraham Lincoln

I say there is an invisible elf in my backyard. How do you prove that I am wrong?

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