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Gravity Balloons
#25
We call negative mass exotic energy or more technically averaged null energy condition (ANEC)-violating negative energy, sometimes known as phantom energy. Because of the mass-energy equivalence principle, negative energy of this kind is equivalent to mass, and probably you couldn't actually have baryonic matter with negative mass as such since it would fly apart.

A balloon inflated with negative energy is an intriguing concept; after all wormholes are inflated with negative energy, so it should be possible. An interesting possibility is a matter balloon with a wormhole at its centre - this is an idea I came up with for my novel Betrayals, and which occurs in a quite different form in Iain Bank's The Algebraist. But (ANEC)-violating negative energy is a very tricky thing to make, something that only transapients and above can produce- so I wouldn't expect there to be many negative-energy balloons in the Terragen sphere.
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Messages In This Thread
Gravity Balloons - by stevebowers - 12-08-2013, 08:36 PM
RE: Gravity Balloons - by stevebowers - 12-15-2013, 05:49 AM
RE: Gravity Balloons - by ai_vin - 12-15-2013, 07:25 AM
RE: Gravity Balloons - by ai_vin - 12-15-2013, 07:27 AM
RE: Gravity Balloons - by stevebowers - 12-15-2013, 07:54 AM
RE: Gravity Balloons - by AlanSE - 12-19-2013, 07:15 AM
RE: Gravity Balloons - by stevebowers - 12-21-2013, 06:19 AM
RE: Gravity Balloons - by JohnnyYesterday - 12-21-2013, 05:53 AM
RE: Gravity Balloons - by Cray - 03-06-2014, 11:18 AM
RE: Gravity Balloons - by AlanSE - 05-24-2014, 04:14 AM
RE: Gravity Balloons - by stevebowers - 03-06-2014, 05:49 PM
RE: Gravity Balloons - by Cray - 03-07-2014, 12:13 AM
RE: Gravity Balloons - by AlanSE - 05-24-2014, 04:30 AM
RE: Gravity Balloons - by stevebowers - 03-07-2014, 02:47 AM
RE: Gravity Balloons - by Cray - 03-07-2014, 03:24 AM
RE: Gravity Balloons - by stevebowers - 11-19-2014, 01:18 AM
RE: Gravity Balloons - by Drashner1 - 11-19-2014, 02:09 PM
RE: Gravity Balloons - by stevebowers - 11-19-2014, 05:54 PM
RE: Gravity Balloons - by stevebowers - 11-19-2014, 07:31 PM
RE: Gravity Balloons - by stevebowers - 12-31-2014, 04:32 AM
RE: Gravity Balloons - by AlanSE - 03-25-2015, 04:01 AM
RE: Gravity Balloons - by stevebowers - 03-25-2015, 05:42 AM
RE: Gravity Balloons - by stevebowers - 03-27-2015, 07:24 AM
RE: Gravity Balloons - by sandcastles - 07-02-2016, 11:06 AM
RE: Gravity Balloons - by stevebowers - 07-03-2016, 07:15 AM

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