Recent content by Neon

  1. Neon

    Why brown sunglasses filter blue light?

    Guys this is simple, a paper filter will filter every other light frequencies except the color we see (this is going to be controversial please do not talk about this sentence i can't express it any better) like blue filter filter light rays other than blue and white filter just let's all rays...
  2. Neon

    How can boiling water freeze faster than water at room temp?

    And also evaporation takes heat away and there is no way to stop that so we can say hot water 'cheated'
  3. Neon

    How can boiling water freeze faster than water at room temp?

    Think about it. Boiling water evaporates very fast.It could have evaporated more than the room temperature one and have to absorb less heat.Some may argue that the difference would not have affected that much but remember, the water in two containers AREN'T the EXCAT same. The ions? The volume...
  4. Neon

    How Are Black Holes Formed and What Are Their Key Facts?

    Bhs smaller than 5 sm are possible.Those bh are so light than few clues are released ( x ray...) so maybe in the future we will find super light bhs.
  5. Neon

    Is bismuth safe to handle (touching, carrying it around....)?

    Bismuth IS radioactive.Just like a billion billion time longer than the age of the universe.Lead-209(i think)IS the heaviest stable isotope so far.
  6. Neon

    Does combustion have to produce gaseous CO2?

    co2 is carbon and oxygen.Oxygen is an oxidixer and you need it to burn stuff.Carbon is the fuel.Add heat and the two will undergo chemical changes and come together to co2.BUT if you found some other oxdixer and fuel and burn it in a container free of o2,Perhaps...
  7. Neon

    B Survival on Mars: Radiation & Temperature Challenges

    Methane would be good i guess.And can perhaps burn it for lost of co2
  8. Neon

    B If the Earth stopped spinning? (orbiting the Sun)

    string does not act like gravity because well you should know.Basically nothing that is elastic and the tension gets weaker the more it gets pulled.
  9. Neon

    B If the Earth stopped spinning? (orbiting the Sun)

    Hello? Any more comments?
  10. Neon

    Uncovering the Mystery of Mass: What is it?

    Mass is energy. Most of it comes from the interactions between gluons and quarks IN subatomic particles.The rest comes from matter interacting with the higgs field. This is off topic but good to know Massless particles CAN ONLY travel at light speed and can NEVER slow down.We(have mass) can move...
  11. Neon

    Is there just one correct way to calculate wing lift?

    Aerodynamics is freaking complicated.So both Newtonian and the other one are like two sides of a page-cannot have paper without either one.Correct?
  12. Neon

    How Are Black Holes Formed and What Are Their Key Facts?

    As i said, it makes it easier tovisualize
  13. Neon

    Lunar super eclipse Sept. 27th. 2015

    This is not fair! I live in singapore and it is currently covered in haze and cannot see the clouds.:(
  14. Neon

    What Is the True Speed of Earth in Relation to the Solar System?

    Gotta correct misconceptions. Start from one minute or just watch the whole thing for more stuff. Though small but we must get our facts correct.
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