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originally posted by: w121x080y120z850
originally posted by: Soylent Green Is People
originally posted by: w121x080y120z850
a reply to: chr0naut
...uses metallic hydrogen ...
It almost certainly does not.
Yes it does, the documentation has schematics and arrows and stuff. It says right on one of them: "Soft iron core with super conducting metallic wire with (L)Hydrogen thermal mitigation" That's science talk for using low temperatures to turn hydrogen into metal. I ain't no dumdick.
the documentation has schematics and arrows and stuff.
originally posted by: w121x080y120z850
This is what you can see from the door.
originally posted by: Soylent Green Is People
originally posted by: w121x080y120z850
originally posted by: Soylent Green Is People
originally posted by: w121x080y120z850
a reply to: chr0naut
...uses metallic hydrogen ...
It almost certainly does not.
Yes it does, the documentation has schematics and arrows and stuff. It says right on one of them: "Soft iron core with super conducting metallic wire with (L)Hydrogen thermal mitigation" That's science talk for using low temperatures to turn hydrogen into metal. I ain't no dumdick.
You might mean "using high pressure" to turn hydrogen into a metal (metallic hydrogen).
So I will reiterate that I very highly doubt that this telescope is using metallic hydrogen, because metallic hydrogen is extremely difficult for us to create with our current technology and techniques.
Hydrogen even at absolute zero -- the lowest temperature possible -- would not be metallic at normal pressures. Freezing hydrogen can be done, but that does not make it metallic. High pressures of maybe close to a half Billion times greater than normal earth pressure is required. in 2017, The first successful attempt ever at creating liquid hydrogen in a lab required about 480 Million kilopascals (KPa) of pressure. Earth air pressure is about 101 KPa at sea level.
Secondly, people has just recently (a little more than a year ago) proved it is even possible to create metallic hydrogen on Earth. And hardly any of the stuff (if any) exists outside of even the most cutting-edge labs doing research into the stuff. I think it's safe to say there is none currently being used for a telescope.
Thirdly, your stated that the documentation says:
"Soft iron core with super conducting metallic wire with (L)Hydrogen thermal mitigation".
However, that does not say metallic hydrogen is being used. All that says is that hydrogen (probably liquid) is being used to keep the wire cold so it can be a superconductor. That's what is meant by "thermal mitigation". Nothing in that blurb you posted from the documatation says anythging about using metallic hydrogen.