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Discussion and Debate
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Physical & Life Sciences
Plasma physics experiments in space - English subtitles.
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<blockquote data-quote="Michael" data-source="post: 74752130" data-attributes="member: 627"><p>[MEDIA=youtube]R4Z_-WbDs4U[/MEDIA]</p><p></p><p>The actual video is only about 5 minutes long and it repeats itself. The first half includes the Russian commentary as well as the English subtitles, and the 'replay' omits the sound entirely.</p><p></p><p>The three most interesting observations are the formation of 'crystal like' features in the dusty plasma which are apparently related to repulsion from the charge of the dust grains. The second interesting observation is the formation of "galaxy like" structures in a "free fall" scenario where gravity is obviously a minor influence at best case. The most interesting feature (and the one observation that I really didn't expect to see) was the formation of a "void" region inside the bucket which the dust particles seemed to flow around. I can only surmise that the empty region has some type of 'crust' around it that is held together by EM fields, or something like/akin to surface tension. The first two observations didn't surprise me, but the last one blew my mind. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /></p><p></p><p>Weird.</p></blockquote><p></p>
[QUOTE="Michael, post: 74752130, member: 627"] [MEDIA=youtube]R4Z_-WbDs4U[/MEDIA] The actual video is only about 5 minutes long and it repeats itself. The first half includes the Russian commentary as well as the English subtitles, and the 'replay' omits the sound entirely. The three most interesting observations are the formation of 'crystal like' features in the dusty plasma which are apparently related to repulsion from the charge of the dust grains. The second interesting observation is the formation of "galaxy like" structures in a "free fall" scenario where gravity is obviously a minor influence at best case. The most interesting feature (and the one observation that I really didn't expect to see) was the formation of a "void" region inside the bucket which the dust particles seemed to flow around. I can only surmise that the empty region has some type of 'crust' around it that is held together by EM fields, or something like/akin to surface tension. The first two observations didn't surprise me, but the last one blew my mind. :) Weird. [/QUOTE]
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