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Dr. Clayton Forrester's Science Roundup

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  • #31
    Re: Dr. Clayton Forrester's Science Roundup

    Now THIS is a totally awesome discovery:

    It's a stunning discovery: Electric eels don’t just “zap” their prey. They use their powers to remote-control them, too.....A new study published in the journal Science reveals the eels can “remote-control” their prey.

    The electric eel is virtually blind, and they swim in murky waters. So they use their finely tuned electric senses to detect “echoes” from a pair of low-voltage pulses. Yes, like radar.....They then home in on their target, until they come within range.

    ....

    Experiments have shown that the eel has tuned its electric effect to trigger its prey’s nervous system. It hijacks the movement of every muscle in a fish’s body through mimicking the signals carried by its neural network.....This includes revealing the prey’s location (in the same way your arm would flex upward when touching a live wire) and smothering any reflex to run.
    That article carried a link to the Science article: http://www.sciencemag.org/content/346/6214/1231
    "Hope is a good thing; maybe the best of things."

    "Beer is a sign that God loves us and wants us to be happy." -- Benjamin Franklin

    "Being Irish, he had an abiding sense of tragedy, which sustained him through temporary periods of joy." -- W. B. Yeats

    "People generally are most impatient with those flaws in others about which they are most ashamed of in themselves." - folk wisdom

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    • #32
      Re: Dr. Clayton Forrester's Science Roundup

      Originally posted by joecct View Post
      I'm glad the English, French, and Spaniards didn't feel that way 500 years ago.
      People had already been sailing for millennia by then. The technology of oceanic navigation had already been worked out to a much greater degree.

      Let's leave "manned" space flight to the entrepreneurs and super-rich for now and concentrate on more practical applications of space flight like how to beam solar power from orbiting satellites to earth or how to mine the asteroids.
      Last edited by FreshFish; 12-05-2014, 01:52 PM.
      "Hope is a good thing; maybe the best of things."

      "Beer is a sign that God loves us and wants us to be happy." -- Benjamin Franklin

      "Being Irish, he had an abiding sense of tragedy, which sustained him through temporary periods of joy." -- W. B. Yeats

      "People generally are most impatient with those flaws in others about which they are most ashamed of in themselves." - folk wisdom

      Comment


      • #33
        Re: Dr. Clayton Forrester's Science Roundup

        Originally posted by FreshFish View Post
        Now THIS is a totally awesome discovery:

        That article carried a link to the Science article: http://www.sciencemag.org/content/346/6214/1231
        There was a decent story on BBC World Service about this.

        Actual news is possible when the network doesn't have to pitch everything to the LCD.
        Cornell University
        National Champion 1967, 1970
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        • #34
          Re: Dr. Clayton Forrester's Science Roundup

          Originally posted by FreshFish View Post
          Let's leave "manned" space flight to the entrepreneurs and super-rich for now and concentrate on more practical applications of space flight like how to beam solar power from orbiting satellites to earth or how to mine the asteroids.
          According to Star Trek, the future belongs to socialism, anyway.

          I could not care in the least whether it's us, the Europeans, the Chinese or the North Koreans. I just want the 40-year stall to end. If that means the first city on Mars is New Beijing, so be it.
          Cornell University
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          • #35
            Re: Dr. Clayton Forrester's Science Roundup

            Originally posted by FreshFish View Post
            People had already been sailing for millennia by then. The technology of oceanic navigation had already been worked out to a much greater degree.

            Let's leave "manned" space flight to the entrepreneurs and super-rich for now and concentrate on more practical applications of space flight like how to beam solar power from orbiting satellites to earth or how to mine the asteroids.
            Like the Hudson's Bay Company and the British East India Corporation? Bully!
            CCT '77 & '78
            4 kids
            5 grandsons (BCA 7/09, CJA 5/14, JDL 8/14, JFL 6/16, PJL 7/18)
            1 granddaughter (EML 4/18)

            ”Any society that would give up a little liberty to gain a little security will deserve neither and lose both.”
            - Benjamin Franklin

            Banned from the St. Lawrence University Facebook page - March 2016 (But I got better).

            I want to live forever. So far, so good.

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            • #36
              Re: Dr. Clayton Forrester's Science Roundup

              Originally posted by joecct View Post
              Like the Hudson's Bay Company and the British East India Corporation? Bully!
              Weyland-Yutani. Building better worlds.
              Cornell University
              National Champion 1967, 1970
              ECAC Champion 1967, 1968, 1969, 1970, 1973, 1980, 1986, 1996, 1997, 2003, 2005, 2010
              Ivy League Champion 1966, 1967, 1968, 1969, 1970, 1971, 1972, 1973, 1977, 1978, 1983, 1984, 1985, 1996, 1997, 2002, 2003, 2004, 2005, 2012, 2014, 2018, 2019, 2020

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              • #37
                Re: Dr. Clayton Forrester's Science Roundup

                Originally posted by Kepler View Post
                In Bangalore, nobody can hear you scream!
                CCT '77 & '78
                4 kids
                5 grandsons (BCA 7/09, CJA 5/14, JDL 8/14, JFL 6/16, PJL 7/18)
                1 granddaughter (EML 4/18)

                ”Any society that would give up a little liberty to gain a little security will deserve neither and lose both.”
                - Benjamin Franklin

                Banned from the St. Lawrence University Facebook page - March 2016 (But I got better).

                I want to live forever. So far, so good.

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                • #38
                  Originally posted by Kepler View Post
                  1) It's not either/or.
                  Sure it is - if "we the people" (more on that in a minute) give NASA an extra dollar, they can either spend it on a manned program or an unmanned one. Despite what Democrats tell us, you can't spend the same dollar twice. The same applies to the last dollar in NASA's budget, and the one before that, and every other dollar in their budget.

                  2) The hype surrounding manned missions is the only thing that gets people to fund space exploration.
                  People don't fund space exploration, Congress does. Find me one member who's ever been voted in or out for too strong or too weak support for manned or unmanned missions - that just does not happen.. This is truly an area where Congress can do what they want, consequence-free.

                  3) The only imperative that matters is to get the chimpanzees off this rock before the gorillas blow it up.
                  People drastically underestimate the amount of resources it would take to colonize another world. If we had those sort of resources available, we wouldn't need to leave. How crappy does Earth have to get so that *Mars* starts to look good? I mean, you don't see Billy Joel cruising for chicks at an Idaho county fair, right? We already have the belle of the ball - it ain't getting any better than this.
                  If you don't change the world today, how can it be any better tomorrow?

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                  • #39
                    Originally posted by FreshFish View Post
                    Let's leave "manned" space flight to the entrepreneurs and super-rich for now and concentrate on more practical applications of space flight like how to beam solar power from orbiting satellites to earth or how to mine the asteroids.
                    Screw that, mine the hell out of the moon. Stupid thing is trying to leave anyway.
                    the state of hockey is good

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                    • #40
                      Re: Dr. Clayton Forrester's Science Roundup

                      Natural skyshow this weekend: Geminid meteor shower.

                      A major meteor shower will ignite the night sky over the weekend — providing one of the most spectacular shooting star displays of the year.

                      Dubbed the Geminids, the annual interstellar light show began Dec. 4 and is expected to hit its peak viewing time Saturday and Sunday night around 9 p.m EST, according to NASA.
                      ....
                      “You will be able to see 60 to 80 per hour with the naked eye with a wide expanse of sky in a rural area,” astronomer Bob Berman said in a press release. “Cities will only be able to see one or two per hour.”

                      Some of the best spots to see the Geminids will be across the Eastern Seaboard as a high pressure system moves across the region, Accuweather reports. The Midwest and southern Southwest will also see clear skies.
                      "Hope is a good thing; maybe the best of things."

                      "Beer is a sign that God loves us and wants us to be happy." -- Benjamin Franklin

                      "Being Irish, he had an abiding sense of tragedy, which sustained him through temporary periods of joy." -- W. B. Yeats

                      "People generally are most impatient with those flaws in others about which they are most ashamed of in themselves." - folk wisdom

                      Comment


                      • #41
                        Re: Dr. Clayton Forrester's Science Roundup

                        New kind of water found on comet.
                        Go Green! Go White! Go State!

                        1966, 1986, 2007

                        Go Tigers, Go Packers, Go Red Wings, Go Pistons

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                        • #42
                          Re: Dr. Clayton Forrester's Science Roundup

                          I sat outside last night from 9:00 to 9:30. Saw three meteors. Saw lots of small-engine jet aircraft, always 3 or 4 in the sky at the same time throughout the entire duration.
                          "Hope is a good thing; maybe the best of things."

                          "Beer is a sign that God loves us and wants us to be happy." -- Benjamin Franklin

                          "Being Irish, he had an abiding sense of tragedy, which sustained him through temporary periods of joy." -- W. B. Yeats

                          "People generally are most impatient with those flaws in others about which they are most ashamed of in themselves." - folk wisdom

                          Comment


                          • #43
                            Re: Dr. Clayton Forrester's Science Roundup

                            Originally posted by FreshFish View Post
                            I sat outside last night from 9:00 to 9:30. Saw three meteors. Saw lots of small-engine jet aircraft, always 3 or 4 in the sky at the same time throughout the entire duration.
                            I saw one, thought "this is a lot colder than during the Perseids," and went inside.
                            Cornell University
                            National Champion 1967, 1970
                            ECAC Champion 1967, 1968, 1969, 1970, 1973, 1980, 1986, 1996, 1997, 2003, 2005, 2010
                            Ivy League Champion 1966, 1967, 1968, 1969, 1970, 1971, 1972, 1973, 1977, 1978, 1983, 1984, 1985, 1996, 1997, 2002, 2003, 2004, 2005, 2012, 2014, 2018, 2019, 2020

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                            • #44
                              Re: Dr. Clayton Forrester's Science Roundup

                              But we got this big tower, so we've got that going for us.
                              If you don't change the world today, how can it be any better tomorrow?

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                              • #45
                                Re: Dr. Clayton Forrester's Science Roundup

                                If anyone finds oil on another planet we'll have it colonized within 6 months.
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