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| Science & Technology |
| Dystopian future? Billboards in SPACE could beam advertisements to Earth - but it would require a 'constellation' of 50 small satellites and cost $65M |
| 2022-10-07 |
| Posted by:Skidmark |
| #3 Years ago something similar was going to be tried with a barium cloud created by a rocket and then painted with lasers from Earth. The USSR violently objected so the launch of the barium cloud was canceled. |
| Posted by: 3dc 2022-10-07 22:08 |
| #2 Makes one long for ASATs. |
| Posted by: Snash Shairt9621 2022-10-07 11:37 |
| #1 You could have a message visible for a few minutes in a clear night sky for a $75M investment or you could paint a more lasting image with a spray can of photo luminescent paint on the side of an overpass for the cost of a public nuisance citation. |
| Posted by: Super Hose 2022-10-07 11:24 |