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how can wath video in web with low speed
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Categories: Unanswered.

Tags: computer.

 

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Why don't ghosts come from the future?

In popular culture, ghosts are often represented as a snapshot of a moment in time, endlessly repeated. Mostly these snapshots relate to incidents from the past - eg. a headless horseman, Mary Queen of Scots and the like.

Setting aside disbelief/ scientific scepticism about ghosts generally, is there any theory that would explain why ghosts could not equally appear from the future?
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Categories: Unanswered.

Tags: Timetravel, future, ghosts.

 

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Does the upwards force always equals the downwards force?

Consider this question:

A ball thrown directly upwards into the air takes 10 seconds to return to the thrower. Calculate the projection speed and it's return speed.

Now some people consider both the projection speed and the return speed to be the same. But if the words "ball thrown" and "thrower" is replaced with the words "gun shot" and "shooter", it could change everything, right?

So does the upwards force=downwards force?
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  • Asked by l3irus
  • on 2011-02-16 21:47:47
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Last edited on: 2011-02-16 21:49:38

Categories: Unanswered.

Tags: physics, Ball, forces.

 

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How does Homeopathy work?

Homeopathy remedies are prepared by dilution & shaking. There is not any molecule of mother tincture in the final remedies after 24X times dilution (1 part in 10 to the 24th power). In other words, it is pure water. So How it can effect on the human body? And how it is working?

 
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Categories: Human Body, Unanswered.

Tags: homeopathy, remedies.

 

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Dominos

Imagine that you have an infinite amount of dominos(same mass) lined up(at the same distance).

And let's say that the first domino have been pushed with great force(like that of a bullet.)

 

Now here's the question. What will happen to the toppling speed after a very, very long time?

1. They will still topple with the same speed like the first one.

2. The dominos will slow down until it reaches a constant speed.

3. It would stop toppling at some point.

4. Other answer(please state).
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  • Asked by l3irus
  • on 2011-02-10 15:32:45
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Last edited on: 2011-02-10 15:33:05

Categories: Unanswered.

Tags: physics, forces, Momentum.

 

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The missing area.

http://www.metacafe.com/watch/yt-H1u8d04sKf8/geometrical_illusion/

http://www.metacafe.com/watch/828182/geometrical_trick/

Are there any explanations to the missing area? Is it just an illusion?
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  • Asked by l3irus
  • on 2011-02-05 12:10:24
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Categories: Unanswered.

Tags: maths, geometricshapes, trick.

 

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Is this forum still maintained?

Does somebody from "New Scientist" still look after this pages?

It is now about 4 weeks since the "latest questions" on home page

were  renewed the last time.

Georg
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 (1 vote) average rating:5

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  • Asked by Georg
  • on 2011-01-31 19:37:46
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Last edited on: 2011-01-31 19:44:44

Categories: Unanswered.

Tags: unanswered.

 

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if the speed of thought is instant then its faster than light and could leave it behind making time a non issue ! de-ja-vu???
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 (1 vote) average rating:1

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Categories: Our universe, Unanswered.

Tags: ouruniverse.

 

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What is the next number: 1,5,23,119,719...
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  • Asked by loures
  • on 2011-01-27 18:47:23
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Categories: Unanswered.

Tags: Universe, maths, HardSums.

 

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Is there really such a thing as a whole number for real life calculations?

Every measuring instrument/device have percentage errors. And due to these percentage errors we can never consider any measurement to be a perfect whole number.

Eg: If we manage to measure out 1.0g of matter, we still can't say that it can't be 1.01g(which would no longer make it a whole number.).

So the question is, are whole numbers possible?
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  • Asked by l3irus
  • on 2011-01-26 10:18:39
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Categories: Unanswered.

Tags: maths, experiment, numbers, measure.

 

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