Timeline for Can we theoretically guide cold air from high altitude down to the needy cities as free AC?
Current License: CC BY-SA 4.0
3 events
| when toggle format | what | by | license | comment | |
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| Nov 3, 2018 at 22:41 | comment | added | stafusa | What makes the pressure at lower altitudes higher is the weight of the air above - that'll be true for the air in the tube as well. Besides, as @AlexDoe already pointed out, since the tube is insulating, the air will be cooler and therefore denser than the air outside. | |
| Nov 3, 2018 at 18:39 | comment | added | Alex Doe | Is the density inside the tube not higher than outside? | |
| Nov 3, 2018 at 18:26 | history | answered | ShoutOutAndCalculate | CC BY-SA 4.0 |