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# Feather & Anvil Spa

Gravity is such a downer
 (+1) [vote for, against]

Come experience the feather light environment at our F&A Spa, where we've put a dent in that pesky gravitational constant. Our Anvil™ ceiling is built from ludicrously heavy and dense material, altering the local gravity field so as to take some of those partial g's off your weary shoulders.
 — placid_turmoil, Nov 17 2017

The gravity of geophysics https://eos.org/edi...avity-of-geophysics
A kid sitting above an object measurably reduces that object's net gravity [placid_turmoil, Nov 17 2017]

[pertinax, Nov 17 2017]

Welcome back, [placid]!
 — MaxwellBuchanan, Nov 17 2017

 Basalt has a typical density of 3; lead's density is 11.

 Drilling a deep shaft in basalt not only places the client below a large mass of rock, but takes them closer to the core of your planet, meaning that your "spa" will be naturally warm.

 So, you could build a ziggurat out of lead, but it would need a support structure, because lead is so ductile and the compressive forces at the lowest level will be very large, causing "creep" or cold flow.

The deep mineshaft is probably going to be more cost-effective.
 — 8th of 7, Nov 17 2017

If you go deep enough, gravity will be zero. (You can't go deeper than the centre of the Earth, though, because then gravity would be negative and you'd float back up.)
 — MaxwellBuchanan, Nov 17 2017

You could scoop up some of the matter from a comet’s tail, to alloy with the metal the anvils are made of, to increase the density of the metal, hopefully. The stardust may well prove to be denser than normal metal molecules, or whatever parts metal is made of.
 — Ian Tindale, Nov 17 2017

You're babbling again, [IT], stop it. Have you had a particularly lavish liquid lunch today ? Or have you been indulging in some doubtful mushrooms again ?
 — 8th of 7, Nov 17 2017

No, I was just wondering how dense anvil stardust is.
 — Ian Tindale, Nov 17 2017

 This is the beginning of a breakthrough that will lead to faster than light travel.

Unfortunately, it's only the beginning.
 — normzone, Nov 17 2017

Not to be obvious, but why not just stand on your head?
 — mylodon, Nov 17 2017

Better yet on someone else's.
 — MaxwellBuchanan, Nov 18 2017

Maybe, the 'Feather & Anvil' needs to be mobile, speedily chasing the moon.
 — wjt, Nov 18 2017

 //Have you had a particularly lavish liquid lunch today ?//

 A few too many pints of DogBolter at the Feather & Anvil ?

 [+] Who still gets surface mail and has a back of an envelope to work this out ?

And will terraforming a new world consist of stacking up nibblydibblium magnets to produce a huge dipole magnet that also has the by-product of reducing gravity near the poles ?
 — bigsleep, Nov 18 2017

 //nibblydibblium magnets//

Must add those to my shopping list!
 — pertinax, Nov 19 2017

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