User b.Lorenz

33 votes

5 answers

8k views

Dyson sphere with mirrors

asked Jun 6, 2017 at 6:50

31 votes

6 answers

3k views

Roleplaying deity indication

asked Apr 4, 2017 at 17:07

11 votes

7 answers

636 views

Can jets from rotating astronomical bodies be used for relativistic acceleration?

asked Jan 30, 2017 at 16:06

10 votes

4 answers

560 views

Space colonization becoming economically recoverable

asked Mar 1, 2017 at 18:58

7 votes

8 answers

545 views

Alternative for magnetic boots

asked Apr 4, 2017 at 7:04

6 votes

3 answers

439 views

Aristotelian physics

asked Jan 12, 2017 at 22:16

4 votes

2 answers

498 views

Can midcourse flip pose danger at relativistic speeds?

asked Apr 6, 2017 at 20:59

4 votes

1 answer

250 views

Drilling a tunnel into the core of Enceladus

asked Apr 14, 2017 at 19:59

4 votes

1 answer

139 views

Drilling a tunnel into the core of Mimas

asked Apr 15, 2017 at 5:32

4 votes

7 answers

533 views

Man-powered spacecraft for sport

asked Jun 4, 2017 at 6:24

4 votes

3 answers

611 views

Gravitational lenses for focusing giant lasers

asked Jun 6, 2017 at 19:05

4 votes

2 answers

124 views

Sensor effectivenes during reentry

asked Jan 10, 2017 at 8:16

4 votes

3 answers

328 views

How to visualize orbits

asked Mar 19, 2017 at 19:22

3 votes

1 answer

477 views

Neutron bomb vs Nuclear Thermal Rocket (NTR)

asked Mar 8, 2017 at 21:29

0 votes

5 answers

618 views

Antimatter weaponry issues

asked Jan 26, 2017 at 11:51

0 votes

3 answers

284 views

Rome sweet Rome 2: The Marines master Rome. What then? [closed]

asked Dec 10, 2017 at 19:23

0 votes

4 answers

285 views

Can a technologically advanced society have similar political and social institutions to 10th century Iceland?

asked Jun 9, 2018 at 10:17

-1 votes

2 answers

87 views

Repurposing a reactor from space to surface

asked Sep 3, 2017 at 10:08

Stack Exchange Network

18 Questions

Dyson sphere with mirrors

Roleplaying deity indication

Can jets from rotating astronomical bodies be used for relativistic acceleration?

Space colonization becoming economically recoverable

Alternative for magnetic boots

Aristotelian physics

Can midcourse flip pose danger at relativistic speeds?

Drilling a tunnel into the core of Enceladus

Drilling a tunnel into the core of Mimas

Man-powered spacecraft for sport

Gravitational lenses for focusing giant lasers

Sensor effectivenes during reentry

How to visualize orbits

Neutron bomb vs Nuclear Thermal Rocket (NTR)

Antimatter weaponry issues

Rome sweet Rome 2: The Marines master Rome. What then? [closed]

Can a technologically advanced society have similar political and social institutions to 10th century Iceland?

Repurposing a reactor from space to surface