65 Ultimate Australian Canal 2017-01-05T12:38:40.237

38 How would someone destroy a dam in a world without explosives? 2017-04-22T22:06:10.250

33 What would the problems with / consequences of a torus shaped planet be? 2014-12-13T18:43:27.673

25 What if the seas had fresh water in them? 2015-04-22T13:41:46.840

22 How to put a lake on the ceiling? 2018-02-12T20:01:43.483

20 The Reality of a River World 2016-06-06T22:46:44.117

19 How wide can a river be? 2016-01-27T16:13:41.640

19 What's the quickest way to add oceans to a planet? 2016-03-30T15:07:19.673

19 Living in a Giant Swamp - Construction 2017-05-24T19:30:49.367

18 How deep would the ocean be if continents all eroded away? 2017-06-27T13:54:48.590

16 A planet with all of its water underground 2017-05-29T13:58:53.963

15 How long can a river physically be on a planet? 2016-01-27T05:47:43.607

14 Could an earthlike planet sustain standing lakes of liquid gallium? 2014-10-11T17:19:06.410

14 How to create tides in a small sea? 2017-05-07T21:23:05.327

13 Would it be possible for a city floating on water to exist? 2015-04-07T14:08:00.573

13 What sort of water sources could occur in a world tree? 2017-12-10T22:50:11.157

13 How might a landlocked lake become a complete ecosystem? 2019-05-13T15:58:54.553

12 Mountaintop sea - Characteristics regarding tides, outflow and microclimate 2017-01-15T22:16:48.690

11 Can liquid water exist on a planet without atmosphere? 2014-12-09T06:20:46.110

11 Permanent settlements on the surface of ice 2015-01-23T14:39:11.870

9 If an Earth sized planet had 1.5-5x more or less gravity than that of the Earth, how would it affect the shape of waves in water bodies? 2015-07-05T19:00:51.197

9 An alternative waterworld 2016-06-14T09:38:12.447

8 Could an ocean be saturated with something other than salt? 2015-03-06T02:48:02.670

8 How could state borders equal major watersheds? 2016-02-04T22:14:28.573

8 Natural underground water distribution in a desertic continent 2016-05-22T10:38:44.173

7 Open Polar Sea feasibility? 2014-12-09T23:52:11.440

7 Larger moon = Larger Tides = No oceanic ships? 2015-04-18T16:33:31.320

7 Pros and cons of a city on water 2015-06-25T01:05:16.443

7 Feasibility of large and isolated swamp-like enviroment 2019-03-07T21:29:08.003

6 Is it possible for a planet to be devoid of polar ice caps? 2015-10-06T18:38:26.680

6 How might a life-sustaining planet exist with an "atmospheric ocean"? 2017-03-28T01:10:26.847

6 Would a "city on a bridge" be friendlier to the environment than a more typical city on land? 2018-02-21T00:59:24.143

5 What percentage by mass of the earth's surface is water? 2015-02-09T04:36:05.727

5 What would Earth be like if there was no salt water? 2015-10-06T12:29:45.440

5 Effect of an enormous waterfall on regional climate and ecosystem 2015-12-10T00:05:22.730

5 Dam wall failure: How to stop a Domino effect? 2016-07-10T12:55:30.527

5 What methods might an ancient civilization take to extract fresh water from great depth? 2017-10-28T08:16:37.380

5 Would there still be land if the amount of water in the oceans was doubled? 2019-03-06T10:35:36.583

5 What aquatic creatures would evolve in a world with ripped apart/chaotic oceans? 2019-08-02T19:30:28.963

5 Northern Great Lakes in an Alternate Island Africa--Would the Sahara DESERT Still be Around? 2019-09-18T02:36:00.503

4 Desert planet's atmosphere and cavern system? 2015-02-26T03:47:29.543

4 How can I form a large swamp? 2015-04-27T21:50:14.750

4 What would happen to the ocean when lowering atmospheric density? 2015-06-17T04:39:48.460

4 How would it be possible to have a world of mostly jungle? 2015-10-07T02:45:37.397

4 How would intelligent life evolve on an Earth-like planet with dangerous high tide? 2015-11-03T01:51:05.820

4 Mountain Spring Inquiry 2016-03-29T15:37:07.883

4 Effects on Earths development if 95% of the water was missing? 2017-12-04T23:14:05.490

4 Lake World and Water Salinity 2018-10-25T23:16:42.753

3 What happens to air pressure if the ice caps completely melt? 2014-12-22T12:43:11.457

3 How to remove water from a planet during terraforming? 2015-08-28T17:44:59.623

3 Is it possible for the oceans to freeze solid (at least on the surface)? 2015-10-13T22:13:30.927

3 Basin on a mountaintop plateau - how to keep the water salty? 2017-01-16T19:51:38.210

3 Is there dry land on Earth if the moon orbits just above its Roche limit? 2017-12-05T21:43:19.173

3 What would be the implications of an ocean made from blood on the world? 2019-03-06T18:21:55.920

2 What would be the consequences of the boiling temperature of water suddenly becoming 200°C or 1000°C? 2015-12-04T08:42:45.693

2 If we separate the Atlantic and Pacific oceans and install a generator in Panama canal, how much electricity do we get? 2016-06-17T22:00:23.950

2 What noticeable impacts on a human body if every ocean turns into dead sea? 2016-09-30T13:06:58.243

2 How would water behave on a planet with no moons? 2016-12-02T07:18:42.933

2 How long does it take for an eclipse to cause the ocean surface to freeze? 2017-12-23T12:44:07.533

2 weather after the earth gets flooded 2018-09-29T11:37:47.983

2 Can pumice stone be used as castle material on water? 2019-07-05T04:47:08.800

1 How the orbit of Earth changes if it has the double of water in the ocean? 2019-03-06T09:44:39.170

0 What (and how long) would it take for all the water from a Great Flood to go away? How much would such an event shape the geography of the world? 2018-01-01T14:47:28.493

-1 How would a north-south rotation affect the ocean? 2015-06-09T21:36:07.200