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Planck length and the speed of light

by helenk
Tags: length, light, planck, speed
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helenk
#1
Dec18-09, 12:41 PM
P: 15
How can the Planck length and the speed of light both be universal constants? Will the Planck length change depending on your frame of reference?

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rhenretta
#2
Dec18-09, 01:13 PM
P: 66
Planck length is based on 3 constants, none of which change due to speed

[tex]\ell_{p}=\sqrt{\frac{\hbar G}{c^3}[/tex]

Since [tex]\hbar[/tex] , G, and c are all constants, planck length also remains constant


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