<?xml version="1.0" encoding="UTF-8"?><rss version="2.0" xmlns:content="http://purl.org/rss/1.0/modules/content/">
  <channel>
    <title>spacetime &amp;mdash; Paul Sutton</title>
    <link>https://personaljournal.ca/paulsutton/tag:spacetime</link>
    <description>Personal Blog</description>
    <pubDate>Thu, 14 May 2026 02:41:40 +0000</pubDate>
    <item>
      <title>What is Space-Time?</title>
      <link>https://personaljournal.ca/paulsutton/what-is-space-time</link>
      <description>&lt;![CDATA[What is Space-Time? &#xA;&#xA;So back to some Physics videos,  what is space-time?: This video does a really nice job of explaining this in a way that is understandable, but not so simple it loses any meaning.&#xA;&#xA;iframe width=&#34;560&#34; height=&#34;315&#34; src=&#34;https://www.youtube.com/embed/ZduEuIassI4?si=VHOGG1pDfIj1gs4L&#34; title=&#34;YouTube video player&#34; frameborder=&#34;0&#34; allow=&#34;accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share&#34; referrerpolicy=&#34;strict-origin-when-cross-origin&#34; allowfullscreen/iframe&#xA;&#xA;I have included links to wondorium below, as well as links to the usual discussion forums. &#xA;&#xA;Wonderium&#xA;Matrix &#xA;Science Forums.&#xA;  Science Forums - Astronomy and Cosmology&#xA;Cosmology 101&#xA;NASA Cosmology 101&#xA;Another cosmology 101&#xA;&#xA;Tags&#xA;&#xA;#Physics,#Space,#SpaceTime&#xA;&#xA;hr&#xD;&#xA;&#xD;&#xA;table&#xD;&#xA;thead&#xD;&#xA;trtda rel=&#34;me&#34; href=&#34;https://qoto.org/@zleap&#34;Mastodon/a/td&#xD;&#xA;tda href=&#34;https://wiki.ircnow.org/?n=Shelllabs.Intro&#34;ShellLabs/td&#xD;&#xA;tda href=&#34;https://joinmastodon.org/&#34;Join Mastodon/a/td/tr/thead/table&#xD;&#xA;center&#xD;&#xA;AI statement : b Consent is NOT granted to use the content of this blog for the purposes of AI training or similar activity.  Consent CANNOT be assumed, it has to be granted. /b&#xD;&#xA;/center&#xD;&#xA;&#xD;&#xA;a href=&#34;https://liberapay.com/PaulSutton/donate&#34;img alt=&#34;Donate using Liberapay&#34; src=&#34;https://liberapay.com/assets/widgets/donate.svg&#34;/a&#xD;&#xA;]]&gt;</description>
      <content:encoded><![CDATA[<p>What is Space-Time?</p>

<p>So back to some Physics videos,  what is space-time?: This video does a really nice job of explaining this in a way that is understandable, but not so simple it loses any meaning.</p>

<iframe width="560" height="315" src="https://www.youtube.com/embed/ZduEuIassI4?si=VHOGG1pDfIj1gs4L" title="YouTube video player" frameborder="0" allowfullscreen=""></iframe>

<p>I have included links to wondorium below, as well as links to the usual discussion forums.</p>
<ul><li><a href="https://www.youtube.com/@Wondrium" rel="nofollow">Wonderium</a></li>
<li><a href="https://app.element.io/#/room/!KsXeDZLUuvaDfigZHe:matrix.org" rel="nofollow">Matrix</a></li>
<li><a href="https://www.scienceforums.net/" rel="nofollow">Science Forums</a>.
<ul><li><a href="https://www.scienceforums.net/forum/7-astronomy-and-cosmology/" rel="nofollow">Science Forums – Astronomy and Cosmology</a></li></ul></li>
<li><a href="https://perimeterinstitute.ca/cosmology-101-exploring-universe-beginners-guide-cosmos" rel="nofollow">Cosmology 101</a></li>
<li><a href="https://map.gsfc.nasa.gov/universe/" rel="nofollow">NASA Cosmology 101</a></li>
<li><a href="http://cosmology101.wikidot.com/main" rel="nofollow">Another cosmology 101</a></li></ul>

<p><strong>Tags</strong></p>

<p><a href="/paulsutton/tag:Physics" class="hashtag" rel="nofollow"><span>#</span><span class="p-category">Physics</span></a>,<a href="/paulsutton/tag:Space" class="hashtag" rel="nofollow"><span>#</span><span class="p-category">Space</span></a>,<a href="/paulsutton/tag:SpaceTime" class="hashtag" rel="nofollow"><span>#</span><span class="p-category">SpaceTime</span></a></p>

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AI statement : <b> Consent is NOT granted to use the content of this blog for the purposes of AI training or similar activity.  Consent CANNOT be assumed, it has to be granted. </b>
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]]></content:encoded>
      <guid>https://personaljournal.ca/paulsutton/what-is-space-time</guid>
      <pubDate>Wed, 11 Dec 2024 07:00:00 +0000</pubDate>
    </item>
    <item>
      <title>Spacetime: real and physical, or a calculational tool?</title>
      <link>https://personaljournal.ca/paulsutton/spacetime-real-and-physical-or-a-calculational-tool</link>
      <description>&lt;![CDATA[Spacetime: real and physical, or a calculational tool?&#xA;&#xA;Interesting article about Space-time. This was posted to the fediverse on the StartsWithABang @startswithabang@astrodon.social &#xA;&#xA;This is interesting,  even if it may be hard to get your head round it sometimes.   There is an activity we could try and do at the STEM group that will demonstrate the warping of space around a mass.   This isn&#39;t complex to do,  just needs the right materials. &#xA;&#xA;As always we can discuss on Science forums or on the Fediverse.&#xA;&#xA;Science Forums&#xA;Qoto Mastodon instance&#xA;Open Culture - Astronomy &amp; Related courses&#xA;&#xA;Tags&#xA;&#xA;#Astronomy,#Cosmology,#Science,#SpaceTime&#xA;&#xA;hr&#xD;&#xA;&#xD;&#xA;table&#xD;&#xA;thead&#xD;&#xA;trtda rel=&#34;me&#34; href=&#34;https://qoto.org/@zleap&#34;Mastodon/a/td&#xD;&#xA;tda href=&#34;https://wiki.ircnow.org/?n=Shelllabs.Intro&#34;ShellLabs/td&#xD;&#xA;tda href=&#34;https://joinmastodon.org/&#34;Join Mastodon/a/td/tr/thead/table&#xD;&#xA;center&#xD;&#xA;AI statement : b Consent is NOT granted to use the content of this blog for the purposes of AI training or similar activity.  Consent CANNOT be assumed, it has to be granted. /b&#xD;&#xA;/center&#xD;&#xA;&#xD;&#xA;a href=&#34;https://liberapay.com/PaulSutton/donate&#34;img alt=&#34;Donate using Liberapay&#34; src=&#34;https://liberapay.com/assets/widgets/donate.svg&#34;/a&#xD;&#xA;]]&gt;</description>
      <content:encoded><![CDATA[<p>Spacetime: real and physical, or a calculational tool?</p>

<p>Interesting <a href="https://bigthink.com/starts-with-a-bang/spacetime-real-physical-calculational/" rel="nofollow">article about Space-time</a>. This was posted to the fediverse on the <strong>StartsWithABang</strong> <em><a href="https://personaljournal.ca/@/startswithabang@astrodon.social" class="u-url mention" rel="nofollow">@<span>startswithabang@astrodon.social</span></a></em></p>

<p>This is interesting,  even if it may be hard to get your head round it sometimes.   There is an activity we could try and do at the STEM group that will demonstrate the warping of space around a mass.   This isn&#39;t complex to do,  just needs the right materials.</p>

<p>As always we can discuss on Science forums or on the Fediverse.</p>
<ul><li><a href="https://www.scienceforums.net/" rel="nofollow">Science Forums</a></li>
<li><a href="https://qoto.org" rel="nofollow">Qoto Mastodon instance</a></li>
<li><a href="https://www.openculture.com/freeonlinecourses#Astronomy" rel="nofollow">Open Culture – Astronomy &amp; Related courses</a></li></ul>

<p><strong>Tags</strong></p>

<p><a href="/paulsutton/tag:Astronomy" class="hashtag" rel="nofollow"><span>#</span><span class="p-category">Astronomy</span></a>,<a href="/paulsutton/tag:Cosmology" class="hashtag" rel="nofollow"><span>#</span><span class="p-category">Cosmology</span></a>,<a href="/paulsutton/tag:Science" class="hashtag" rel="nofollow"><span>#</span><span class="p-category">Science</span></a>,<a href="/paulsutton/tag:SpaceTime" class="hashtag" rel="nofollow"><span>#</span><span class="p-category">SpaceTime</span></a></p>

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AI statement : <b> Consent is NOT granted to use the content of this blog for the purposes of AI training or similar activity.  Consent CANNOT be assumed, it has to be granted. </b>
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      <guid>https://personaljournal.ca/paulsutton/spacetime-real-and-physical-or-a-calculational-tool</guid>
      <pubDate>Fri, 12 May 2023 06:00:00 +0000</pubDate>
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