The Three Meter Geodynamo experiment is the latest in a series of progressively larger experiments in the Lathrop Lab at the University of Maryland to study how planets generate magnetic fields. We are essentially trying to build planetary cores in the lab. We hope the Three Meter experiment will generate a magnetic field from a rotating turbulent flow of liquid sodium metal. The experiment is now in an assembly and testing phase. When complete it will contain nearly 13 tons (13000kg) of …
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I went back in time looking at it!!
Thankfully, I don’t drive. Though some of the shuttle drivers make me wish I do.
So how large of a magnetic field does this create?
Could it (or something similar) be used to shield a space-craft from radiation in space, at a low energy consumption, since it’s just spinning?
No worries dude. Driving to campus is more dangerous than this.
I’m assuming this is in College Park. In which building is this? I want to avoid it while walking to class.
For some reason I’m scared of that thing.
I only counted two meters..
I haven’t seen Gordon Freeman.
yes it works
So did it work?
Or..
that’s gotta be one of the most unsafe things I’ve seen. Liquid sodium? .6 rev/sec? dear god
Purple stuuf purple stuuuf
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This Is The Secret That Has Been Kept From Us.
no offence but u are absolutely awfull with the camera.
a 3 axis gimbal would make it somewhat safer and also show the relationship between the earth and that spinning fluid mass thing.
cant wait to see it fired up!
has it been done small scale to begin with?
that thing is huge!
it might try to align itself to the earth as tho its in orbit and rip itself off the mountings
could probably use mercury instead of sodium
that’s exactly what i thought
Needs more cowbell.
so there is a bunch of liquid sodium in it?
This looks like something out of Riven or Myst.
Cool…
Did you see the metal saw horses move together?
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It’s true that it’s heavy, but it’s mounted on very good bearings in a strong framework. The magnetic field it creates outside the sphere could take on a wide range of strengths but I’d guess it wouldn’t be more than a few hundred times the Earth’s field strength, and that’s not enough to get ferrous objects airborne
. Practically everything within a couple meters of the sphere is bolted down or welded down anyway. The purple light you see is just a flare from the room lights.
It is really heavy! I think I read something about it makes a magnetic field, it will not damage electronic devices around? The purple light aroudn minute 1:00 is an effect on camera electronics or just light as in a rainbow? If it creates a magnetic field, all the iron pieces around will be attracted by the giant ball, and it could make it all loss of stabilization and fall, no? It looks like pretty heavy!
Ah ok, sorry for sounding agressive! It’s not dangerous at all, it’s basically a spinning ball of metal. I’m a scientist myself and considered at one stage running a much smaller version of this to see if it would work.