space Archive

Near term technology for global big brother

A few thousand microsatellites with deployable telescopes could provide constant image monitoring of the earth at 0.25 meter to 0.5 resolution. This would scale up persistent drone monitoring to a global scale. There would be issues of data transmission and …

Nuclear fusion pellet runway

Jordin Kare described his fusion pellet proposal in the 1990s. Pellets (with deuterium and tritium or other fusion gases) are laid down in an outbound track for the spacecraft that will eventually use them, deployed in advance by small spacecraft …