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JDługosz's user avatar
JDługosz's user avatar
JDługosz's user avatar
JDługosz
  • Member for 9 years, 8 months
  • Last seen more than 2 years ago
23 votes
5 answers
5k views

What else is involved in "silicon based" life?

51 votes
17 answers
9k views

What if we lived near a boundary of the universe?

15 votes
6 answers
4k views

Designing cities inside a hollowed-out asteroids

17 votes
9 answers
1k views

Ways to make contact with aliens on a much larger size scale?

3 votes
3 answers
150 views

Cuisine for future enhanced humans

31 votes
15 answers
5k views

How to avoid FTL as a plot device?

19 votes
13 answers
7k views

Handling recoil of hand-held railguns

8 votes
7 answers
2k views

How can Bronze Age people make hazmat gear for chlorine trifluoride?

6 votes
2 answers
1k views

How big can we make a telescope?

19 votes
7 answers
3k views

Alien message: arrows and sequence order

12 votes
2 answers
631 views

Why (else) would an animal species be polymorphic?

5 votes
5 answers
417 views

Faux-natural barriers between environments in a world-sized zoo

14 votes
4 answers
389 views

Grammatical tenses for time travelers

8 votes
2 answers
1k views

How can a teen-age mad scientist create polonium?

1 vote
7 answers
1k views

U.S.A. with 51 states? [closed]

28 votes
16 answers
3k views

How can you have dualism in Hard SF?

8 votes
4 answers
353 views

How could public key cryptography evolve in a biological system?

8 votes
2 answers
406 views

Software/website for public world design?

19 votes
4 answers
1k views

What would physics be like in a wrap-around universe?

2 votes
4 answers
572 views

Why build a datacenter with an awsome view?

23 votes
3 answers
1k views

Circulation patterns on a tidally-locked binary planet

11 votes
5 answers
1k views

Environment suit design for ultra-cold temperatures

21 votes
8 answers
2k views

“Biometric” identification for AIs

4 votes
3 answers
990 views

What other skills/affectations would be found in someone with heightened Proprioception?

9 votes
3 answers
3k views

Alien Periodic Table of Elements

-1 votes
5 answers
137 views

Name for lunar-affected magical folk [closed]

2 votes
4 answers
172 views

Alternate “smart home” control

5 votes
2 answers
148 views

Improved “fire eating” act

17 votes
3 answers
3k views

How does paradox-free FTL travel affect the details of my story or gameplay?

9 votes
9 answers
2k views

Abstract Graphics for indicating emotions