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This section allows you to view the topics this user has created, and which topics the user has participated in.

Topics	Replies	Views	Last post
General Science \ Why does old tea change colour? Started by Stephen Tucker	15	27540	Last post by LaurenaS 17/01/2021 18:47:18
Physics, Astronomy & Cosmology \ Red-shift of reflected light? Started by 0	35	17282	Last post by alancalverd 11/06/2020 08:22:13
Physics, Astronomy & Cosmology \ Is there a "force of gravity"? Started by Geezer	51	31934	Last post by Bored chemist 19/03/2020 20:01:02
Physics, Astronomy & Cosmology \ What is spinning in a spinning black hole? Started by Eric A. Taylor	30	19412	Last post by evan_au 19/10/2018 22:23:48
Physics, Astronomy & Cosmology \ Was the Big Bang an exploding Black Hole? Started by MikeS	32	18778	Last post by 0 19/09/2018 17:08:53
Physiology & Medicine \ Why Do People Wave at and Wave From Boats ? Started by neilep	5	14536	Last post by Colin2B 14/07/2018 09:20:33
Geek Speak \ Why do my mouse and keyboard lockup? Started by MikeS	15	12791	Last post by SeanB 22/07/2017 06:54:33
Physics, Astronomy & Cosmology \ How and Why Does Light Carry an Image? Started by @/antic	20	17629	Last post by michellerenaud 20/07/2017 07:55:15
Physics, Astronomy & Cosmology \ In what way is a reflected photon degraded? Started by MikeS	95	35892	Last post by yor_on 12/03/2017 07:13:51
Technology \ Why do lithium-ion batteries have three terminals? Started by Geezer	21	85656	Last post by Robcat 03/05/2016 23:07:13
Physics, Astronomy & Cosmology \ Why does leaning a motorcycle make it turn around a corner? Started by chris	32	59639	Last post by chasarms 11/09/2015 23:25:52
Technology \ Is it better to use the engine to decelerate? Started by lunar11	28	16033	Last post by wolfekeeper 05/08/2015 18:10:04
Physics, Astronomy & Cosmology \ What happens to time in multiple big bangs? Started by 0	12	8059	Last post by jerrygg38 12/06/2015 09:45:23
Physics, Astronomy & Cosmology \ What is the mechanism of gravity? Started by paradigm	46	22610	Last post by jccc 20/06/2014 19:11:35
Physics, Astronomy & Cosmology \ On what principle does a weighing balance operate? Started by MikeS	87	62459	Last post by ajitharidas 12/05/2014 09:12:20
Physics, Astronomy & Cosmology \ Is time an illusion? Started by annie123	216	81379	Last post by yor_on 08/11/2013 23:50:24
Plant Sciences, Zoology & Evolution \ Do bird lungs work better than human lungs? Started by cheryl j	6	26885	Last post by borwnthomas 02/07/2013 06:38:27
New Theories \ Why do we think that the expansion of the Universe is accelerating? Started by MikeS	15	13035	Last post by daniel.balasa 10/06/2013 14:25:20
New Theories \ is the big bang correct? Started by caboose17	380	231886	Last post by Ophiolite 12/03/2013 02:07:39
Physics, Astronomy & Cosmology \ Why does time slow down at speed? Started by 0	36	29099	Last post by yor_on 11/03/2013 23:13:57