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  1. gttjohn

    Where were you born?

    Dublin Ireland 1976 ,and yes I'm sick of rain
  2. gttjohn

    Does a truck's load affect its braking distance?

    A truck with a load will take longer to stop it just happened to me today
  3. gttjohn

    Does a truck's load affect its braking distance?

    Yes the truck without the load will stop sooner I've tried it on bikes with two people and then one I've driven trucks with or without load and the unladen truck will take less distance to stop fact
  4. gttjohn

    I'm wondering about air travel and the rotation of the earth

    As the earth rotates you rotate with it gravity pulls u with it even if your in a plane if u travel 560 mph at 38000 ft then you travel that distance in an hour minus drag and wind resistance ,I thought about this too as a kid it baffled me then it made sense
  5. gttjohn

    Why is the universe expanding?

    ok thanks a mill ill do a bit of searching and digging , curiosity is a pain isn't it but it is all worth while when you get the answer
  6. gttjohn

    Why is the universe expanding?

    thanks Naty1 that was a very good read ,now i have many more questions but i think i will let them stew in my mind for a while until i can ask them in the best logic i can muster up with out sounding a bit thick , so actual matter as a posed to dark matter /dark energy amount is very little...
  7. gttjohn

    Why is the universe expanding?

    True gentleman thank you
  8. gttjohn

    Cannot see the milky way in dublin?

    thank you very much all for the replies and links very helpful indeed it seems i live in the centre of a very light polluted area but if i travel west should help me ,now planning a camping trip !
  9. gttjohn

    Cannot see the milky way in dublin?

    i have been to the mountains and been to the beach lots of times looking up at the sky away from the city lights ,but i have never seen the milky way .i have seen lots of amazing pictures of it on the net from other places around the world .Then is it only possible to see it at certain times of...
  10. gttjohn

    Why is the universe expanding?

    good thanks for the reply it is always nice to get a really good answer i look up all of questions on this forum because of the scientific sense people make
  11. gttjohn

    Why is the universe expanding?

    guys i liked the answer i got i did not read the rules regarding what is considered offensive language sorry, but i really did appreciate the first reply ,come on lads don't put meaningless where i did not type it that's just childish , i thought you guys where among the most intelligent people...
  12. gttjohn

    Why is the universe expanding?

    good thanks for the reply it is always nice to get a really good answer i look up all of questions on this forum because of the scientific sense people make
  13. gttjohn

    Why is the universe expanding?

    can anyone tell me why is the universe expanding faster and faster and not slower and slower or moving at a constant speed ,if a bomb explodes everything close to it accelerates away then slows down as time moves on ,in the void of space i would think things would just carry on expanding not...
  14. gttjohn

    NASA NASA announces discovery of first Earth sized planets in the universe

    if the only way to detect a planet is to observe the dimming of a star(according to the link) that means we have to be in line with the observed star, now just imagine all of the other planets that are not detected my word there could be a lot more to discover .
  15. gttjohn

    How to become an astrophysicist or an astronomer ?

    as my father said if you like what you do you will be good at it ,it seams to me you do not know what you want ,read basic books and see first if it is for you ,i mean if it intrests you then take it farther . it would be an awfull shame to come all the way to dublin ,london to the discover o...
  16. gttjohn

    Are animals honest

    so we can say that animals are honest ,but manipulative that makes my dog even more intelligent than i thought ,thanks again
  17. gttjohn

    Ok guys go easy on me ,evolution? but i am clever

    Well one thing is certain you are all very passionate about physics,science a I have learned so much so far from this thread alone,But I am taking whats logical and scientifically proven away with me good so far thanks all
  18. gttjohn

    Ok guys go easy on me ,evolution? but i am clever

    there is a magazine called NewScientist in the 4th December edition there is some good reading on this subject just picked it up and it is a very good read i can not say if it is real truth or not but a lot of it makes logical sense
  19. gttjohn

    Why do Planets have elliptical orbits ,AND

    do we know what dark matter and dark energy is yet
  20. gttjohn

    Why do Planets have elliptical orbits ,AND

    Sorry all i have just looked at the two stickys above my post but in laymans terms they are impossible for me to understand
  21. gttjohn

    Why do Planets have elliptical orbits ,AND

    why do Planets have elliptical orbits ,why do they just not have circular orbits ,I understand that the sun is like a bowling ball on a sheet of rubber and the planets in our solar system orbit the bowling ball as if i got a marble and rolled it onto the sheet of rubber but after a while the...
  22. gttjohn

    Ok guys go easy on me ,evolution? but i am clever

    that very interesting i did not know that about a mule
  23. gttjohn

    Ok guys go easy on me ,evolution? but i am clever

    Hello firstly are Homosapiens evolved from Neanderthals or are we a different all together or did Homosapiens evolve side by side with Neanderthals did we interbreed ,sorry i know my English is terrible i just have an unquenchable thirst for answers.thankyou
  24. gttjohn

    Language origin

    I have read that the sloping forehead of neanderthals did not have enough space for the frontal lobe to be large enough to accommodate language
  25. gttjohn

    Why do asian people look different from me

    i know this is off topic but I often find I am attracted to a different race than my own ,I have also noticed my friends would also find a dark skinned brown eyed lady from say Spain or Rio more attractive ,do you think this is a way of spreading our genetics subconsciously to stop inbreeding...
  26. gttjohn

    Why do asian people look different from me

    thanks Borek this backs up what i was thinking I have done a lot of googling in the last few days about this, I was just looking for some direction
  27. gttjohn

    Language origin

    do you think pheromones play a big part in communication now or are we loosing it as we evolve ,because there could be a lot of money made if we discovered what female a finds attractive in pheromones (one could have a bath in them before that important date )
  28. gttjohn

    Language origin

    thats true for all we know their language could be just as advanced as ours for their brain power its just that we cant get inside their heads ,its also worth while thinking a lot of language is body language ,and i think as we became more out of tune with nature ie concrete jungle instead of...
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