G
[email protected]
- Jan 1, 1970
- 0
Tethers, as in large towers many miles high? Maybe thick wires
suspended by helium ballons? What about platforms that use the energy
in the ionosphere to power themselves and then beam additional energy
down to ground-based receivers?
suspended by helium ballons? What about platforms that use the energy
in the ionosphere to power themselves and then beam additional energy
down to ground-based receivers?
