From: phister@inbox.com   
      
   On Sun, 16 Apr 2023 17:41:50 -0700 (PDT), Kym Horsell wrote:   
      
   > On Monday, April 17, 2023 at 4:15:57 AM UTC+10, Skybuck Flying wrote:   
   >> Hi,   
   >>   
   >> I agree that Avi Loeb does not know everything, though his oppinions on   
   >> this matter are somewhat interesting in the way he tries to apply known   
   >> physics to this matter.   
   >>   
   >> However I also see some potential short comings in his knowledge/paper.   
   >>   
   >> As far as I know there are bacteries that can survive x-ray and   
   >> radiation. So called "resistent bacteria", very hard to kill if not   
   >> impossible.   
   >>   
   >> So I suspect that this paper is wrong on that assumption that   
   >> biological matter could not reach earth.   
   >>   
   >> I can also vaguely remember signs of bacteria found on asteroids/comets   
   >> or something or maybe building blocks for such things.   
   >>   
   >> The idea that something may have dumped biological organism into our   
   >> ocean to grow monsters here is kinda cool and funny and creepy at the   
   >> same time.   
   >>   
   >> I am now probably going to watch a creepy movie called Aliens vs   
   >> Kids... maybe Kids will save us from Aliens ! LOL.   
   >>   
   >> It's probably a low budget movie I don't expect to much from it...   
   >> maybe I will watch it another time, because it's getting dark and I   
   >> want to sleep well at night.   
   >>   
   >> This movie kinds gives me the creeps, I saw some preview of it...   
   >> monsters attacking kids during a party... lights in the back of the   
   >> aliens, only see silhouts at first... later creepy mouths like big   
   >> worms...   
   >>   
   >> But could be fun... but I think I will pass for tonight... I am not   
   >> sure yet lol.   
   >>   
   >> I might give it a try lol, not sure lol.   
   >>   
   >> Concerning ukraine... maybe they just trying to attract attention to   
   >> their war situation.   
   >>   
   >> Concerning avi loeb/paper he might be trying to get some money... but I   
   >> also get the sense he is somewhat serious about this.   
   >>   
   >> Probably a double edged sword ;)   
   >>   
   >> It also reminds me of transformers the movie/all spark and conquest   
   >> frontier wars a computer game.   
   >>   
   >> In the first movie, the all spark reaches earth or something... maybe   
   >> some valuable object has hit earth and aliens trying to find it.   
   >>   
   >> In the second, a computer game on set of aliens/race is fleeing from   
   >> other aliens... kinda funny.   
   >>   
   >> One big fat point remains from this paper... if Oumuamua did eject   
   >> probers then this could explain it's excelleration.   
   >   
   > I'll post something on Oumuamua shortly.   
   > I hadnt looked at it before. Since it was discovered only in 2017 and   
   > supposedly came from outside probably only a few years before that it   
   > didnt seem strongly connected with UFOs that have been around la least   
   > since the 1950s and we all suspect a lot log longer than that.   
   >   
   > But SHOCK! It turns out the data shows there *is* a connection with   
   > UFO's we see reported here on planet Dirt. While it doesn't seem they   
   > are the origin of any UFO's there is some evidence that UFO's may have   
   > gone to visit it.   
   > Anyway, I'll post that in a couple days.   
   >   
   > As for light sails -- don't count them out. They are a step up from our   
   > current chemical rockets because they dont need to carrry their own fuel   
   > or energy.   
   >   
   > There are basically 4 kinds of Newtonian ("push against something")   
   > rockets called EE, II, EI and IE. The 2 letters specify where the fuel   
   > comes from (Internal, or External) and where the energy to accelerate it   
   > comes from.   
   >   
   > The limitation of chemical rockets is both the fuel and heat needed to   
   > push it out the back so the rocket goes forward both come from inside   
   > the ricket. This limits how fast the rocket can go because ...   
   > eventually the gas tank runs dry and the ricket stops.   
   >   
   > But if both things come from outside then it doesnt come to an end. The   
   > rocket can accellerate for much longer -- maybe "forever".   
   >   
   > So light sales keep working as long as there is light around. Even   
   > between the stars there is *some* light. And small light sails can be   
   > boosted by banks of mega lasers powered by solar energy e.g.   
   >   
   > Some groups are trying to plan a "star shot" (involving Avi Loeb again   
   > :) that propose to accelerate a very small probe -- just 1 g or so --   
   > using a big laser and get it up to 1% or 10% of the speed of light.   
   >   
   > We have no way to do that with chemical rockets.   
   >   
   > An even more interesting idea being carried out by another "fringe   
   > science" group is about to test another EE rocket in space. This rocket   
   > tries again to be EE -- it uses solar power and an "EM drive" to propel   
   > itself. They say the EM drive works and has been verified by independent   
   > groups. There is maybe a question over this. But if they get it into   
   > space and show that it works then it would be a big breakthrough. The   
   > math involved in the EM drive proposes that very very tiny accelerations   
   > are more efficient than big ones and can eventually get up to a good   
   > fraction of "c" with the least effort due to a quantum effect. In a way   
   > their rocket supposedly can "quantum tunnel" to high speed travel.   
   >   
   > Their theory also explains why stars in galaxies all seem to rotate   
   > around the centre at the same speed instead of getting slower toward the   
   > edge like you might expect. Some scientists propose this is caused by a   
   > hidden "dark matter". But the rocket people propose it is a quantum   
   > effect that will not let acceleration be 0 no matter how little you   
   > push.   
   >   
   >> The gravitional swing around block holes is cool.   
   >>   
   >> Using rockets and water as fuel was amuzing... light sail a bit slow...   
   >>   
   >> I do agree avi loeb might not consider the possibility of aliens being   
   >> far beyond our "laws of physics" ;)   
   >>   
   >> Bye for now,   
   >> Skybuck.   
      
   I am very old and have been interested in unexplained phenonema for ~70   
   odd years, but not seen either a UFO or a ghost. I have a picture of a   
   strange structure on the dark side of the moon, courtesy of Google Earth.   
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
      
   ~   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)