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Topics	Replies	Views	Last post
Physics, Astronomy & Cosmology \ Is there a net heat exchange between water and ice at 0 degree C? Started by hamdani yusuf	198	8728	Last post by Bored chemist Today at 09:07:36
Physics, Astronomy & Cosmology \ Is mass a number? Started by varsigma	7	540	Last post by alancalverd 09/05/2022 22:53:17
Question of the Week \ Can the Earth be used as a dynamo? Started by evan_au	11	661	Last post by gem 02/05/2022 12:17:29
That CAN'T be true! \ where does Colin's sailing boat, energy and momentum come from ? Started by gem	140	11200	Last post by Bored chemist 13/04/2022 11:35:15
Chemistry \ What happens when you melt gold into glass? Started by iacopo.russo	6	1420	Last post by gem 10/04/2022 13:06:08
General Science \ Antarctic science greenhouse emissions Started by David Freedman	9	1101	Last post by gem 10/04/2022 12:53:18
General Science \ At what gravity does a person run the fastest? Started by Halc	47	2387	Last post by evan_au 08/04/2022 22:24:47
Question of the Week \ QotW - 22.03.21 - Does relativity make rocks on the moon older than Earth rocks? Started by Lewis Thomson	16	1273	Last post by Halc 27/03/2022 13:32:53
That CAN'T be true! \ Are Flat Earthers really for real? Started by Curious Cat	13	1990	Last post by evan_au 02/03/2022 08:33:37
Physics, Astronomy & Cosmology \ Has the distance between the sun & earth changed? Started by Lewis Thomson	10	1462	Last post by Kryptid 22/02/2022 17:51:29
New Theories \ Unification of Quantum Mechanics and Gravitational Oscillator Started by Kartazion	359	22345	Last post by Kartazion 11/01/2022 23:04:25
Physics, Astronomy & Cosmology \ What is Time? If there was no light would Time cease to be? Started by londounkm	328	124687	Last post by gem 05/08/2021 23:30:04
Physics, Astronomy & Cosmology \ How long could humanity survive if the sun went out? Started by EvaH	21	3742	Last post by Bored chemist 03/08/2021 20:57:57
Geology, Palaeontology & Archaeology \ Is the earth really flat? Started by scientist@work	49	10231	Last post by Just thinking 02/08/2021 12:04:38
Physics, Astronomy & Cosmology \ Is time travel possible? Started by EvaH	24	3329	Last post by TommyJ 30/07/2021 13:45:06
General Science \ How would our weight differ on a revolving to that of a non-revolving earth.? Started by Alan McDougall	21	16281	Last post by Bored chemist 26/07/2021 14:21:22
Plant Sciences, Zoology & Evolution \ How does your dog recognize you? Started by evan_au	11	4385	Last post by gem 25/07/2021 11:57:21
Physics, Astronomy & Cosmology \ Photos taken this morning of the horn antenna that discovered the CMB in 1964 Started by Europa	12	1247	Last post by Europa 24/07/2021 18:49:19
Physics, Astronomy & Cosmology \ Do objects fall in a vacuum? Started by Harri	46	4575	Last post by yor_on 21/07/2021 13:51:43
Just Chat! \ Wold anyone like to try a fun new game? Started by alancalverd	7	1268	Last post by gem 19/07/2021 09:30:34