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johndiii (229824)

johndiii
  johndiii@@@amilost...com

Amhrán Duit

The road now leads onward
As far as can be
Winding lanes
And hedgerows in threes
By purple mountains
And round every bend
All roads lead to you
There is no journey's end.

Here is my heart and I give it to you
Take me with you across this land
These are my dreams, so simple and few
Dreams we hold in the palm of our hands

Deep in the winter
Amidst falling snow
High in the air
Where the bells they all toll
And now all around me
I feel you still here
Such is the journey
No mystery to fear.

Here is my heart and I give it to you
Take me with you across this land
These are my dreams, so simple and few
Dreams we hold in the palm of our hands

The road now leads onward
And I know not where
I feel in my heart
That you will be there
Whenever a storm comes
Whatever our fears
The journey goes on
As your love ever nears

Journal of johndiii (229824)

Spin

[ #209651 ]
Wednesday August 20, @02:36PM
User Journal

I ran across this little item this afternoon. Amazing - over one million gravities, and 150,000 RPM (2500 revolutions per second). Wow.

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  • Better than my router, at about 27,000 rpm.

  • What on earth is going through your head to be looking at something like that? Building a mad scientist's lab in the basement?

    • He's going to set up us the bomb...soon as he has a bomb to set up us with. :-)
    • Friend who works in a research lab was talking about doing protein synthesis this afternoon, and how one of the steps was pelletizing stuff in a centrifuge. So I got to wondering about the current state of the art in centrifuge technology, and there you go. A little heftier than the ones we used in high school. :-)

      No lab in my basement. I don't have a basement. So, no lab. Really.

  • Nice. I wondered how they could make it a benchtop model and still offer swinging bucket rotor as an option. Reading down the specs list, I see that the refrigeration is by thermoelectrics, which means no compressor. That explains why it's so small.

  • Optima MAX-XP has the highest g-force ever.

    I think they misspelled evar.

  • My first thought is that at those speeds, the machine's balance must be *critical* for safe operation.

    My second thought involves REALLY spectacular cocktails... right out of test tubes! Lab-shooters, anyone? :^P

    • It would be useful for biofuels research. You wouldn't get much, but you could speed up the experiments to see which batch/technique worked the best. You could probably get extremely well stratified oil and otherwise layers.

  • Until I went to the link, I assumed there had been a discovery of a new exotic space body.
  • Do you know how much it costs?

    I would also be a bit worried about beakers breaking in it. One million Gs is a lot to handle.

    • If you have to ask... :-) The catalog page that I saw says "Call for quote". If I had to guess, I'd say somewhere in the $10,000 to $50,000 range, though I have little to no basis for those numbers. They probably don't sell all that many of them, and engineering costs would be high.

      For centrifuges in the 40,000 RPM range, I know that they use special polycarbonate containers for the samples. And the protocol requires that they be inspected very carefully for cracks before they are used. I do not know w