As GLaDOS said:

Quote:
All Aperture Technologies remain safely operational up to 4000 degrees Kelvin.

So the Companion Cube couldn't be euthanized because it remains safely operational up to 4000 degrees Kelvin.
It was a joke from GLaDOS. The Cube lives on.

Only if the Aperture Science Emergency Incinerator brings the tempature higher than 4000 degrees Kelvin, it could be euthanized. But they can't take the risk of you jumping in the Incinerator with the Portal Gun, where the Portal Gun would melt, thus the temperature isn't higher than 4000 degrees Kelvin.

This allows for a cool map idea. Finish your unfinished job, destroy the Cube. An easy way to do so are the Fizzlers.

rellikpd wrote:
damn never thought of that! nice.

ye.. awesome.. also the companion cube diappears when you throw it down there BUT note: if you throw a security camera down there it doesnt.. soo.. can you come up with a reason why the companion cube diappears too?

anyways.. nice..

pestchamber wrote:
ye.. awesome.. also the companion cube diappears when you throw it down there BUT note: if you throw a security camera down there it doesnt.. soo.. can you come up with a reason why the companion cube diappears too?

anyways.. nice..

It had finished its work for the day so it went for a cup of coffee, then went home to see Mrs Cube and the twins Ice and Hyper.

You see it at the end of the game along witht the cake that really wasn't a lie

youme wrote:
could have told you it didnt get incineratedwithout the lengthy explaination.....

You see it at the end of the game along witht the cake that really wasn't a lie

ye forgot about that one too.. =)

Megadude wrote:
It had finished its work for the day so it went for a cup of coffee, then went home to see Mrs Cube and the twins Ice and Hyper.

And when he was done there he checked hes e-mails and he got a new one with subject: "GLaDOS: You are invited to Chell's Completed Testchamber 19 Party". so it took there and waited for Chell to kill GLaDOS.

I don't know why the cube dissapears when is thrown down the fire pit.
Maybe the heat triggers a cloaking device.

Megadude wrote:
It had finished its work for the day so it went for a cup of coffee, then went home to see Mrs Cube and the twins Ice and Hyper.

Brilliant my friend, simply brilliant.

Megadude wrote:
It had finished its work for the day so it went for a cup of coffee, then went home to see Mrs Cube and the twins Ice and Hyper.

Holy fucking

But why waste a cube when you can use it for the next test subject?

What they storage for?

msleeper wrote:
Your specimen, where else do you expect it to go? There aren't any pipes connecting the toilet to the outside!

Teeny tiny portals inside the loo make removal of waste easy

Megadude wrote:
Teeny tiny portals inside the loo make removal of waste easy