Lightning does not always create thunder?

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Doron
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Re: Lightning does not always create thunder?

Post by Doron »

if there was lightning somewhere, but nobody saw it, would there have been thunder??

is also a nice question.

just like the tree in the forest..
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Grandpa
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Re: Lightning does not always create thunder?

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Wikipedia wrote:Lightning heats nearby air to about 10,000 °C (18,000 °F) nearly instantly, which is almost twice the temperature of the Sun’s surface. The heating creates a shock wave that is heard as thunder.

General Rule about wikipedia: Do NOT trust it under any circumstance as any1 can edit it at any time.
and now ill refute its point: ...
Forest and trees, friend. Forest and trees. Sound is vibrations through media (air) interpreted by our ears and brain. Lightning (no matter if it is twice the temp of the sun or not) is HOT. As it strikes the air vibrations are created. The "path" it takes is as the above poster explained. Air is displaced as lightning travels and this causes vibrations (shock waves).

Heat is also involved. The heat of the lightning is the cause of rapid expansion of the surrounding air. Again, more vibrations. Lightning travels through the plasma path in the air (the path of least resistance) and produces the thunder we hear.

    Okay, random science fun: Lift your right foot a few inches from the floor and then begin to move it in a clockwise direction. "Draw" several clockwise circles in the air. While you're doing this, use your finger (your right index finger) to draw a number 6 in the air. Your foot will be interrupted and begin to turn in an anticlockwise direction and there's nothing you can do about it! :P

Back to Lightning: distance to a flash can be guesstimated by measuring the time delay between the flash of light and the thunder —the formula is ~3 secs for each kilometre (or ~5 secs for each mile). Thunder is seldom heard at distances greater than about 12 miles. Oh... and there are different 'steps' to a lightning strike. The 'return' stroke is the loudest.

~Grandpa

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Doron
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Re: Lightning does not always create thunder?

Post by Doron »

Grandpa wrote:
Wikipedia wrote:Lightning heats nearby air to about 10,000 °C (18,000 °F) nearly instantly, which is almost twice the temperature of the Sun’s surface. The heating creates a shock wave that is heard as thunder.

General Rule about wikipedia: Do NOT trust it under any circumstance as any1 can edit it at any time.
and now ill refute its point: ...


~Grandpa



Wikipedia is very trustable for looking for anime's...

I mean, it was true what they all said the anime's I've looked for..

Shame that I now know how Konjiki No Gash Bell ends... grrrzzz.
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Burningwolf
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Re: Lightning does not always create thunder?

Post by Burningwolf »

Grandpa wrote:
    Okay, random science fun: Lift your right foot a few inches from the floor and then begin to move it in a clockwise direction. "Draw" several clockwise circles in the air. While you're doing this, use your finger (your right index finger) to draw a number 6 in the air. Your foot will be interrupted and begin to turn in an anticlockwise direction and there's nothing you can do about it! :P


~Grandpa

dude
i cant believe you are right o_O
I cant move my right leg clockwise while drawing a 6 >.<
Spoiler!

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PB_and_J
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Re: Lightning does not always create thunder?

Post by PB_and_J »

Grandpa wrote:
    Okay, random science fun: Lift your right foot a few inches from the floor and then begin to move it in a clockwise direction. "Draw" several clockwise circles in the air. While you're doing this, use your finger (your right index finger) to draw a number 6 in the air. Your foot will be interrupted and begin to turn in an anticlockwise direction and there's nothing you can do about it! :P

Too much time on my hands when i first heard of this means i can now do it (6 with clockwise foot) :P
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Grandpa
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Re: Lightning does not always create thunder?

Post by Grandpa »

PB_and_J wrote:
Grandpa wrote:
    Okay, random science fun: Lift your right foot a few inches from the floor and then begin to move it in a clockwise direction. "Draw" several clockwise circles in the air. While you're doing this, use your finger (your right index finger) to draw a number 6 in the air. Your foot will be interrupted and begin to turn in an anticlockwise direction and there's nothing you can do about it! :P

Too much time on my hands when i first heard of this means i can now do it (6 with clockwise foot) :P
Sorry hijack the thread.. but you can do it :shock:
I should have made 'weird science' thread maybe?
I wanna, been trying.
    Can do:
  • finger clockwise and other finger anti-clockwise
  • rub head pat belly switching,
  • can't do foot circle 6...
I'll keep trying, thx for encouragements.

Right side body controlled by left side brain - you sure you can do it? (lol)
We talk lightning more if ya wanna.
PB&J is hero 8)

:P Grandpa

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Grimm-.-
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Re: Lightning does not always create thunder?

Post by Grimm-.- »

Schwarzewhatever wrote:Maybe God is creating an electricity rain out of his pee but sometimes he misses the water in the toilet so you hear.. NOTHING.

Evolution.. pfft bullshit

*Slap*
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Grandpa
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Re: Lightning does not always create thunder?

Post by Grandpa »

Grimm-.- wrote:
Schwarzewhatever wrote:Maybe God is creating an electricity rain out of his pee but sometimes he misses the water in the toilet so you hear.. NOTHING.

Evolution.. pfft bullshit

*Slap*
he didn't say wat god, maybe Zeus?

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