53 Does my shipboard computer slow down as I approach light speed? 2018-03-08T23:32:28.497

42 Standardisation of Time in a FTL Universe 2016-10-17T07:50:42.737

14 Can you build a relativistic clock? 2015-06-23T17:45:11.810

14 Aliens to play a mischievous space-time practical joke on Earth 2018-09-10T14:52:31.863

13 A weapon(preferably hard scifi) that will limit velocity of space ships in a wide region temporarily 2017-04-18T13:10:44.277

12 What would be the equation for kinetic energy if $γ=\frac{v^2}{c^2}+1$ instead of $γ=\frac{1}{\sqrt{1-\frac{v^2}{c^2}}}$? 2016-03-05T06:19:49.363

12 How to make FTL-technology an narratively interesting suicide-pact-technology? 2019-12-03T15:21:43.890

10 Can a spaceship traveling close to light speed be knocked off course by a gamma ray burst? 2014-11-21T14:55:51.263

10 Santa is a time traveller. How does he not violate causality? 2015-12-24T00:56:47.123

10 Reasons for time dilation to happen on a habitable planet with same g force and not orbiting a black hole 2017-11-30T08:26:36.713

10 Could the equator of a world be a closed-time like loop? 2019-02-08T05:56:03.487

8 Calculating Time Dilation Effects on Relativistic Accelerations 2016-03-07T06:51:48.820

7 How to build a telescope using gravitational lensing? 2016-10-10T15:07:07.550

7 A River Runs Through It - The effects of a time dilation field on a body of running water 2017-05-15T16:05:11.840

7 What if a traversable wormhole hits the earth? 2018-01-23T18:51:12.570

6 Can this version of the Alderson Drive be used to violate causality? 2015-01-21T07:27:08.093

6 Could a viable interstellar civilization form with this technology? 2016-01-28T04:08:13.310

6 What would a 'bend' in space-time look like to the external observer 2017-03-02T22:44:18.743

6 Could time dilation cause unwanted structural effects? 2017-07-08T23:29:53.887

6 Relativistic effects on brains encoded in light 2017-11-19T08:56:19.937

5 How long is a "day" in intergalactic space? 2015-06-11T01:00:29.847

5 How would humans adapt their language in response to moving through time at different rates relative each other? 2015-07-25T18:10:21.387

5 Practical problems of near-light-speed travel 2016-05-09T19:37:50.050

4 Could a non-relativistic universe be logically consistent? 2015-01-11T18:54:50.037

4 Could a universe with a reverse of the relativity of our universe be self consistent? 2015-11-19T07:33:10.513

4 Using particle accelerator in place of ion drive 2017-09-04T10:45:25.917

4 How safe would be living in a space-time highly distorted planet 2018-02-13T15:00:44.603

4 Is a "Partial" Black-Hole Possible? 2019-11-11T15:11:51.800

4 Optimizing a relativistic anti-personnel weapon 2019-12-21T22:40:50.593

3 Physics of magically enhanced travel 2015-05-16T02:20:26.340

3 Which reference frame in our solar system experiences the most time? 2015-08-06T04:56:43.687

3 Prolonging Life Through Rapid Travel (invoking Special Relativity) 2017-05-30T03:18:09.743

3 How would the entrance to a wormhole move through space? 2017-07-07T20:14:10.010

3 Scientifically feasible radical time differential between Sol and another star system 2017-12-03T18:46:03.213

3 Physical laws for a multiverse with white holes? 2018-04-03T04:30:13.370

3 How wide would a Whipple shield on spacecraft traveling at near-luminal speeds need to be? 2019-01-25T07:42:59.387

2 Relativity in regard to space combat 2015-03-08T16:35:59.743

2 By how much exactly would the time flow be slown down inside a gravity room? 2015-03-14T18:01:09.283

2 And I think it's gonna be a long long time... (relativity question) 2016-07-25T14:57:41.770

2 How do I grant superheroes gravitational manipulation, justified scientifically? 2017-10-09T19:25:54.843

2 Is Santa taking off risk creating a black hole, and will the good kids receive presents survive it? 2019-07-22T18:30:10.007

2 How can a twin on Earth grow old slower than his/her twin sibling? 2019-07-23T18:00:53.060

2 Can wormholes be used to trap people? 2019-11-25T14:43:35.497

1 What would the economic impact of FTL time travel be? 2015-08-11T02:29:48.350

1 How long would a journey to Tau Ceti take from the passengers perspective at 1/4 the speed of light? 2016-03-29T05:12:41.503

1 Could a universe with a relativity that is a cross between Galilean and Lorentzian Relativity be self consistent? 2016-08-04T08:25:13.497

1 Gravity in the Riemannian Universe 2016-08-09T06:48:09.710

1 Could a spacefaring people preserve the idea that their world is the center of the universe? 2018-04-13T15:14:13.287

1 Could near light speed ship dilate time severely enough to explore other stars with out breaking the light speed barrier? 2018-06-18T10:39:43.857

0 Could a universe with something like special relativity based on position instead of velocity be logically consistent? 2015-12-05T00:20:52.490

0 How much energy does this sun crushing ship, the CrushSun, use? 2016-02-18T23:20:29.430

0 What would getting hit by a micro black hole laser look like? 2016-02-20T18:33:30.517

0 What would our world be like if e=m*c^3 2016-04-10T17:15:01.020

0 What would an interstellar economy bound by relativity look like? 2016-07-30T00:32:42.653

-1 Using hypersleep to offset time dilation? 2019-05-05T04:09:16.290