88 My time machine needs to know when it is 2018-06-26T21:26:45.733

50 Could you have more than one building in the same spot by "stacking" them in 4th dimensional space? 2017-07-17T05:45:58.173

48 Would a 4-dimensional being be able to see inside other people? 2017-04-20T14:23:17.230

47 What if we lived near a boundary of the universe? 2015-12-06T20:24:45.817

43 What would the periodic table of a 4-Dimensional universe look like? 2015-03-26T23:44:50.543

31 How can it be bigger on the inside 2016-12-01T19:15:54.133

30 What does it actually mean to have two time dimensions? 2019-07-16T23:21:07.170

29 How to test a time machine? 2017-01-09T22:32:21.683

16 What would organisms be like in four physical dimensions? 2015-10-14T03:35:09.097

15 Physical laws for a matter-filled universe 2015-02-26T01:44:44.420

15 I'd like to set up a UI for a 2D square to access the internet-- any ideas? 2018-05-24T17:29:34.720

15 Aritifical Gravity through Rotating wheel generalisation in a spatial 4th dimension 2018-09-04T10:19:14.267

13 How could two alternate realities "blend" at a single point in space time? 2018-02-12T17:58:07.273

12 Body plan of a 4D human-analog? 2019-06-19T17:20:50.530

11 Chemistry in two spatial dimensions? 2015-10-14T08:31:20.693

11 What happens to the space created due to wormholes? 2017-02-25T09:12:14.667

11 What goes in, must come out - limitations of temporal displacement 2019-01-08T12:00:49.487

10 Most scientifically accurate way for time travel 2016-06-15T11:06:03.627

10 Discovery of space-time distortion via post-apocalyptic cartography? 2018-05-16T23:22:04.993

10 Flipped over through fourth dimension. When do I start to notice biological problems? 2018-09-30T17:50:29.253

10 How to feed parity transformed John Doe? 2018-10-13T18:02:11.677

9 Multidimensional Time-Lines 2016-02-12T20:43:52.060

8 What would a area of slower/faster time look like? 2018-07-20T12:38:12.620

8 How can a species of natural time-travelers have a meaningful society? 2019-02-04T01:01:52.547

8 Sanity check: 4D bio-wheels 2019-07-03T17:40:45.913

7 Robbing the world of 1 second 2015-05-02T02:29:21.313

7 How to capture a wizard who can move in and out of shadows? 2015-11-05T02:53:08.830

7 Is there a problem with interpreting dark matter as hidden dimensions? 2016-11-17T01:04:11.320

7 How could it be possible to exert gravity without mass? 2018-02-06T17:59:07.907

7 Would an explosion or energy discharge permeate to other spatial dimensions? 2018-08-21T15:12:40.537

7 Aliens in a 4D universe try to explore our 3D spacetime fabric: How can they do it? 2019-04-12T20:11:04.173

7 Schwarzschild Metric in a universe with the same space time metric as that described in the orthogonal series, but with massive gravitons? 2019-07-08T05:54:05.060

7 Formula for send and response times of messages at fraction of light speed? 2019-12-24T21:05:30.330

6 Consequences of a two-dimensional universe on cells and life 2015-09-29T19:02:17.533

6 How can civilizations develop if the day keeps repeating forever? 2015-11-06T07:30:56.867

6 What naming conventions could we use for a person based on time of origin? 2016-01-23T19:14:00.027

6 Hypothetical combat with a five-dimensional weapon 2016-03-04T08:13:15.140

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

6 Time feels like it's going faster. Could this really be happening? 2017-10-16T00:01:54.983

6 Viability of options for super tall tower 2018-04-13T14:20:22.023

5 The impacts of space travel where the price is to wait huge period of time 2015-10-20T05:02:41.000

5 Machines in four spatial dimensions 2016-05-10T02:27:34.210

5 How could a 4D organism influence events in our world 2017-01-22T21:59:36.877

5 If an immortal, fabricated particle could travel FTL, would it exist in all times, or only the past relative to its present? 2017-03-16T21:21:11.200

5 Uses for "Pocket Universe" backwards Time Travel? 2018-08-03T14:01:54.337

5 Using Microscopic Dimensions to Hide Objects 2018-09-03T02:24:21.663

4 Interactions with higher dimensions 2015-02-23T00:04:45.503

4 Explanation for the creation/existence of a secondary physical space that experiences time differently 2015-03-02T04:01:54.463

4 Speeding up time? 2016-06-21T08:09:05.727

4 How far can space time be warped, twisted, and pulled? 2016-08-21T06:48:29.273

4 How to weigh a flatlander in 2D gravity? 2016-09-09T06:20:13.763

4 What extradimensional topology would explain looping forces? 2017-03-07T19:00:45.063

4 No time dilation, what would it imply? 2018-04-22T14:20:31.353

4 Looking for an Explanation of Time Dilation I can program into a CLI calculator 2018-06-11T11:44:39.417

4 Astronomy in a universe with two "straight" dimensions plus a highly curved dimension 2018-08-22T23:01:09.747

4 How do one teach thermodynamics to Higher dimensional beings? 2018-12-04T08:00:47.457

4 Can mass be shunted off into hyperspace, but the matter remains? 2019-04-03T16:35:56.783

4 Technology to see an invisible being 2019-08-20T18:36:13.740

3 Graphically represent (map) multiple spatial dimentions 2015-06-13T16:24:29.857

3 Where is the inside of the Tardis? Is it a world in itself? Is it part of a different world? 2015-07-13T13:01:15.133

3 Stealth in space solution? 2015-08-25T17:28:26.767

3 Geography in a universe with 4 spatial dimensions 2015-12-09T00:03:05.900

3 Will This Violate Causality? 2017-03-22T16:42:47.140

3 4D Digestive System Structure 2017-07-19T19:43:52.410

3 What are the implications of being removed from time and/or causality? 2018-02-20T21:47:29.947

3 What would a world be like with cross dimensional contact? 2018-04-19T12:45:18.273

3 would the shadow of a 4th dimensional object be physical to a 3 dimensional being? 2018-04-26T21:25:23.890

3 Using an Alcubierre Drive to travel through the fourth dimension 2018-08-11T09:44:05.573

3 What would the periodic table look like in 2 dimensions? 2018-12-21T12:06:58.603

3 What would a two-dimensional world look like? 2019-11-12T12:52:22.680

3 How would wormholes and teleportation affect the passage of time? 2020-01-04T17:43:08.143

2 How can I confine (e.g. in level design) the actors in outer space? 2015-06-29T16:56:34.233

2 Can a fifth dimensional being experience serendipitous moment? 2015-06-30T02:11:59.120

2 Timeline for developing a “retroscope” – looking back in time 2015-08-26T08:20:10.330

2 Explained? Dimensional travel limit 2016-07-08T02:17:24.843

2 How would telepathy work without a common language? 2016-10-05T05:43:21.320

2 How would time dilation by one character affect other characters in the same system? 2017-04-24T20:07:12.497

2 What would conditions be like at the hyperbolic horizon? 2018-09-17T22:19:31.503

2 What would the experience be like for a human transported to 4 dimensions? 2019-08-06T02:03:36.567

2 Message sent to a ship traveling away at 37.5% light speed? 2019-12-17T00:10:42.083

1 In three spatial dimensions, would it be possible to have a force that decreases with the inverse of the distance? 2015-11-12T01:02:20.800

1 Our Universe, but with a parallel component that is somehow connected to every location 2016-04-30T18:36:04.370

1 What does a fourth physical dimension look like? 2016-05-02T03:12:17.760

1 Do aliens necessarily need to be from this dimension? 2016-07-16T16:09:39.743

1 Why are mirrors magic portals? 2017-03-28T12:15:39.223

1 Variability in Alternate Universes 2017-09-26T20:46:51.217

1 How everything will act in a world of two time dimensions? 2018-03-09T07:34:32.180

1 Concerning Brane cosmology 2018-04-13T15:42:19.993

1 Is it possible for two dimensions to exist on one planet? 2019-01-06T01:41:41.320

1 What are some modern policies that can be applied to or improve 17th-century European society? 2019-08-20T06:01:22.347

0 Size of a multi dimensional Labyrinth 2016-06-26T12:14:25.507

0 What would the world look like through the eyes of a superspeed superhero? 2017-01-06T09:24:21.323

0 Technology with a 4th spatial dimension 2017-07-14T23:55:39.037

0 "Time travel" and temperature/energy 2017-08-20T06:06:26.003

0 Could there be a scientifically supported way of accessing higher dimensions that is practical? 2017-08-23T15:43:47.950

0 If you went to the moon, wouldn't you experience space time curvature? 2018-01-14T07:41:12.300

0 What happen to gravity if time is suddenly running backward? 2018-04-08T16:39:42.737

-1 What scientific mysteries could be explained by temporal gravity? 2017-03-31T19:37:00.220

-1 Artificial Gravity 2017-04-10T01:15:58.593