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...Karl ran away >.>

 

does Karl have mates named Ricky and Steve who send him all round the world?

 

He was named after Karl Pilkington :)

...Karl ran away >.>

 

does Karl have mates named Ricky and Steve who send him all round the world?

 

He was named after Karl Pilkington :)

 

That's awesome :laugh:

 

I watched An Idiot Abroad last night, absolutely hilarious

The half life of a radioactive source is the time taken for the activity of the source to decrease by one half. It is also the time taken for the number of radioactive nuclei to decrease by one half.

Acoustic impedance is used to determine the fraction of the intensity refracted at a boundary between two materials of different acoustic impedances. Acoustic impedance is defined by the equation z = pc where p is the density of the material and c is the speed of sound in the material.

The cosmological principle states that on the large scale the universe is uniform. That is, the universe is:

 

- Isotropic: The same in all directions

- Homogeneous: Of uniform density as long as a large enough volume is used

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