Ground Problems. It's always ground problems.

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#21
jneutron said:
Historically, these superconducting accelerators use lead free because lead itself goes superconducting at about 10K IIRC. They were worried that there would be lead grains in the solid alloy that would carry the current preferentially over the rest of the alloy matrix.
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Ah, thanks. I figured the lead might be doing something undesirable at those temps, thanks for the info.

jneutron said:
The biggest hit? The keurigs...lots of them..major power usage..there is a night shift.
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:up: :up:
 
#22
And the LHC is running protons round the loop again. Large Hadron Collider restarts after two-year rebuild - BBC News . Fingers cross they can ramp the power up now.

Aside the london science museum has one of the first ever particle accelerators (cyclotron). around 12" diameter! science seemed so easy 100 years ago! They also have a chunk of the cockcroft walton generator that was used to first split the Atom in 1932. Funny that normally we associate big with across the pond, but in atom splitting we brits were the brute force mob!
 
#24
billshurv said:
Aside the london science museum has one of the first ever particle accelerators (cyclotron). around 12" diameter! science seemed so easy 100 years ago! They also have a chunk of the cockcroft walton generator that was used to first split the Atom in 1932. Funny that normally we associate big with across the pond, but in atom splitting we brits were the brute force mob!
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They also have a cray. Really really cool!!
And some really neat antique clocks.

Don't forget, all of the initial major work on microwave stuff was done by the British Postal Service. (so I was told by my E/M prof.. It's just a coincidence that he was british of course)😕

jn
 
#26
jneutron said:
Don't forget, all of the initial major work on microwave stuff was done by the British Postal Service. (so I was told by my E/M prof.. It's just a coincidence that he was british of course)😕

jn
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Don't be. The Royal Mail became owning department for the original telecoms development over here. Kelvin, Heaviside, telegraph, cables, even Colossus and the primal works on universal (Turing) computing machines etc. BT was eventually spun-out to private sector in the 80s.

Never the less, Royal Mail also hasn't stopped smashing to particles since, that's for sure...
 
#27
They achieved 6.5 Tev last night per beam. Got the e-mail..
Oop, sorry, only one beam so far. However, the magnets are two apertures in one cold mass, so both tubes see the same magnetic field. So they can claim success..

jn
 
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