Recent content by 5thElement

  1. 5

    Why do the spokes on a wagon seam to rotate backwards at certin speeds?

    Coming from an animation and design perspective, I have always gone off the assumption that the eye cannot detect changes at 24 fps. Any flash animation you see out there is usually running at this speed. As to the spokes on a wagon. Quite frankly I have never seen a real-life wagon wheel to...
  2. 5

    "Explosions in Space: Can We Hear It?

    As I lay here at 2am contemplating the vastness of the universe, and scanning my DVD collection so I can either put myself to sleep or have some stimulus to pull an 'all-nighter', I happened to come across Space Balls. Now if you have never heard of it, it is a 1980s parody of Star Wars that...
  3. 5

    Why is Gravity on Earth but Not in Space?

    I realize how stupid the question may sound, but this is a genuine question that I was just pondering about late at night. I mean, the question I really ask is why is there gravity on Earth but not in space. Is it our atmosphere that "keeps" gravity here? Or is our atmosphere just the limit of...
  4. 5

    Can Sound Be Different on Other Planets?

    Yeah I assumed it would change pitch like those gasses do here. But I was just wondering if this had any implications. Is the atmosphere much different on say Mars, where future humans on Mars would speak differently then those on Earth. Would prolonged speaking in such an environment cause any...
  5. 5

    The Mystery of Time Travel: A Keen Amateur's Question | Physics Help

    I always think about this. The way I see it: If time-travel is the movie sense is possible, we can not change the past - becuase NO MATTER WHAT HAPPENS, its already happened. In the past of the person before he timetravelled. So like, If a guy traveled to the past and killed his...
  6. 5

    Can Sound Be Different on Other Planets?

    Hey guys, I am no scientist (I am studying advertising at uni), although I am terribly interested in it. My highest scientific learnings was high school; but I did take physics, math c, biology, chemistry. Anyway, I am in no way qualified so my point is bear with me and don't hate ;) I was...
Back
Top