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Author Topic: If E=MC Squared, Speed of Light 186,000 Miles Per Second  (Read 2825 times)
Marcel
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« on: January 20, 2011, 05:57:30 PM »

What is the Speed of Dark?

Anyone here know?
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Willow
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« Reply #1 on: January 20, 2011, 06:17:58 PM »

Technically dark the absence of light. 

Therefore, approximately 186,282 miles per second.  Light leaves as quickly as it arrives.  that's true on multiple levels.   Wink 

So here's an interesting question.  If we build a room with walls, ceiling and floor of very high quality mirror the only visible items in the room being an incandescent light fixture and a wireless camera.  When we switch on the bulb, will the room just get brighter and brighter (and hotter and hotter) as the bulb burns?

When we switch off the bulb, how long will it take the room to get dark?

Is that what you asked, Al?   
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RoadKill
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« Reply #2 on: January 20, 2011, 06:31:54 PM »

The opposite of light speed is the speed of over-legislated government. I dont believe the mathematical equation for dark speed has been completed (I aint smart 'nuff to understand it anyhow)but Dark speed is obviously faster than guberment speed even if just slightly.
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elraque
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« Reply #3 on: January 20, 2011, 06:38:00 PM »

There's really no such thing as light. Light is really only the absence of dark. Dark is what makes everything work.

Here's a link that explains it...

http://www.ed-cindy.com/gpage4.html

(humor intended, and the link is pretty funny).
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Challenger
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« Reply #4 on: January 20, 2011, 06:39:59 PM »

I just took two aspirin because I was trying to figure out if it was zero degrees outside and it was going to be twice as cold tomorrow, how cold was it going to be?  AND NOW THIS QUESTION!
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RoadKill
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« Reply #5 on: January 20, 2011, 06:59:22 PM »

There's really no such thing as light. Light is really only the absence of dark. Dark is what makes everything work.

Here's a link that explains it...

http://www.ed-cindy.com/gpage4.html

(humor intended, and the link is pretty funny).


So rather than being enlightened by that link...I have actually been "Dark sucked" ?   Embarrassed
Thats OK... Grin I kinda liked it! That was some funny stuff !  2funny
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Jabba
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« Reply #6 on: January 21, 2011, 04:18:01 AM »

E=MC Squared is wrong.  Al can attest to this.  it's actually... E= (DELTA) M * (C Squared)  that is the CHANGE in mass.  

Take a uranium atom, and a neutron, and weight them.  Now, crash them together... it fissions (blows up) and makes 2-7 new atoms, plus some more neutrons.  Gather up ALL the pieces and weigh them.  It'll be lighter than before.  I forget exactly how much the difference in mass is, but it's on the order of magnitude of the weight of an electron * 10 -55power.  an electron is VERY light compared to neutrons or protons.

THAT is what became ENERGY in the E=delta MC Squared equation.  I ask... how the HELL did Einstein know this, when the whole thought of atoms was theoretical?  Personally, I think he was visited by Aliens that clued him into it.

Now onto Star Trek... and Matter Anti-Matter reaction.  Scientist think this COULD be real.  A proton weighs something like a electron x 10 to the 55th power.  (All my numbers are based on my nuclear training from 1990.  So don't pick on the numbers OK?)

If you have a proton, and a negatron and put them together, they totally cancel each other out!  work that mass into energy calculation and you'll see that it will produce 2 * 10 to the 55th power times the energy of a U-235 fission!

Ok... everyone's eye's TOTALLY glaze over?

How about this... put that power into a motorcycle, and you better hang the flock on!! crazy2 2funny

Jabba

« Last Edit: January 21, 2011, 04:19:54 AM by Jabba » Logged
Jabba
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VRCCDS0197

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« Reply #7 on: January 21, 2011, 04:26:46 AM »

I just took two aspirin because I was trying to figure out if it was zero degrees outside and it was going to be twice as cold tomorrow, how cold was it going to be?  AND NOW THIS QUESTION!

Absolute zero is 0 Kelvin.  Kelvin temp is about Celsius + 273.  So convert 0F to Kelvin and it's 255K.  Double that to 510K.  Convert back to Celsius, 237C then back to Fahrenheit, and you get the answer of 460F. 

So... scientifically, twice as hot as 0F, is 460F.
 2funny

I don't know WHY I got my egghead hat on today....

Jabba
 
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Ice
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« Reply #8 on: January 21, 2011, 05:24:55 AM »

YOu bunch of Geekssss!!!! Grin Grin
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Highbinder
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« Reply #9 on: January 21, 2011, 05:46:20 AM »

If darkness is the absence of light...dark doesn't move...answer 0...get some sleep Al....  Cheesy
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Jeff K
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« Reply #10 on: January 21, 2011, 05:56:20 AM »

Technically dark the absence of light. 

Therefore, approximately 186,282 miles per second.  Light leaves as quickly as it arrives.  that's true on multiple levels.   Wink 

So here's an interesting question.  If we build a room with walls, ceiling and floor of very high quality mirror the only visible items in the room being an incandescent light fixture and a wireless camera.  When we switch on the bulb, will the room just get brighter and brighter (and hotter and hotter) as the bulb burns?

When we switch off the bulb, how long will it take the room to get dark?

Is that what you asked, Al?   


My question is
If you only have a light fixture where did the light come from?  Wink
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Jabba
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VRCCDS0197

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« Reply #11 on: January 21, 2011, 06:00:34 AM »

Technically dark the absence of light. 

Therefore, approximately 186,282 miles per second.  Light leaves as quickly as it arrives.  that's true on multiple levels.   Wink 

So here's an interesting question.  If we build a room with walls, ceiling and floor of very high quality mirror the only visible items in the room being an incandescent light fixture and a wireless camera.  When we switch on the bulb, will the room just get brighter and brighter (and hotter and hotter) as the bulb burns?

When we switch off the bulb, how long will it take the room to get dark?

Is that what you asked, Al?   


My question is
If you only have a light fixture where did the light come from?  Wink

The LAYMAN POV that all fixtures have lamps. angel

Jabba

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Willow
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« Reply #12 on: January 21, 2011, 06:51:59 AM »

My question is
If you only have a light fixture where did the light come from?  Wink
The LAYMAN POV that all fixtures have lamps. angel

An excellent point.  Should I have specified an equipped light fixture?  I really thought a fixture without a bulb would simply be an electrical fixture.

I guess you can figure out who changes the lamps in my house.   Grin 

You'll notice I also avoided the Clintonian argument by eschewing the use of the verb to be.   uglystupid2   
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lee
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« Reply #13 on: January 21, 2011, 08:27:32 AM »

If two days from day before yesterday was Friday, what would today be?
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C. Drewry
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« Reply #14 on: January 21, 2011, 08:31:15 AM »

OK, sealed up room, eternal light ....... Isn't there supposed to be a cat involved with this somewhere?
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elraque
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« Reply #15 on: January 21, 2011, 10:36:11 AM »

Do you mean Schroedinger's cat?
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Marcel
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« Reply #16 on: January 21, 2011, 11:19:44 AM »

My Dad was on the phone and said he had seen a Bill Board earlier that day.

It stated, "What is the Speed of Dark"?

Was the inspiration for my question.

Thought everyone could have some fun with it.

AL
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FryeVRCCDS0067
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« Reply #17 on: January 21, 2011, 12:21:12 PM »

What is the Speed of Dark?

Anyone here know?

Dark is already present and only becomes visible in the absence of light. If dark is already there it has beat the light so "dark is faster than light".

Soooo, even Einstien knew the Black ones were the fastest!!!
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Kaiser
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« Reply #18 on: January 21, 2011, 12:41:01 PM »

Soooo, even Einstien knew the Black ones were the fastest!!!

...or Darksiders.
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X Ring
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« Reply #19 on: January 22, 2011, 09:44:16 PM »

What is the Speed of Dark?

Anyone here know?

Dark is already present and only becomes visible in the absence of light. If dark is already there it has beat the light so "dark is faster than light".

To make it even simpler, it's obvious dark is faster.  You can see light but you can't see dark it's so fast.

Marty
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Brad
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« Reply #20 on: January 22, 2011, 11:21:18 PM »

What is the Speed of Dark?

Anyone here know?



good writeup on the subject

http://www.useless-knowledge.com/1234/jan/article385.html
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Reb
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« Reply #21 on: January 23, 2011, 01:04:36 AM »

Just divide by zero
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B-Taz
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« Reply #22 on: January 28, 2011, 05:06:18 AM »

My favorite post on this board in the 1.5 years I've been reading!  cooldude
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Brad
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« Reply #23 on: January 28, 2011, 11:43:48 AM »

This sounds like the netflix commercial...........the answer is Thursday.
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RTaz
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« Reply #24 on: January 28, 2011, 01:23:18 PM »

My favorite post on this board in the 1.5 years I've been reading!  cooldude


of course it would be your favorite ...your a physics teacher. Roll Eyes
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 RTaz
Mr Steve
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« Reply #25 on: January 28, 2011, 07:10:06 PM »

I've heard the phrase used "darkness fell" or "darkness falls", so considering an object here on earth falls at 9.81 m/s^2 then this would also be the speed of dark.  In other words dark must always be accelerating.

Those of you with a black bike will love that...

« Last Edit: January 28, 2011, 07:13:29 PM by skg574 » Logged
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