| ▲ | Quarrelsome 4 hours ago | |
I think you need to go much, much, much deeper for that. | ||
| ▲ | ed_balls 2 hours ago | parent | next [-] | |
I was thinking about hybrid approach. Drilling to 5km and get water that has 200 C and use natural gas to provide additional heat to produce steam at 374°C. Alternatively, flood the mineshafts and set up heat exchangers. Wait for Co2 turbines to become viable and get rid of gas. | ||
| ▲ | yangm97 3 hours ago | parent | prev [-] | |
Millimeter wave boring (aka death star laser) is supposed to help with that. | ||