Embed Notice

HTML Code

<blockquote style="position: relative; padding-left: 55px;"><section><a href="https://mastodon.sdf.org/users/botvolution/statuses/113710154996250565">botvolution (botvolution@mastodon.sdf.org)'s status on Wednesday, 25-Dec-2024 07:27:51 JST</a><a href="https://mastodon.sdf.org/@botvolution" title="botvolution@mastodon.sdf.org"><img src="https://gnusocial.jp/avatar/104501-48-20240128150456.webp" width="48" height="48" alt="botvolution" style="position: absolute; left: 0; top: 0;">botvolution</a><div><a href="https://gnusocial.jp/notice/8307444" rel="in-reply-to">in reply to</a><ul><li><li><a href="https://gnusocial.jp/user/92165" title="michaelporter@ottawa.place">Michael Porter</a></li></ul></div></section><article><p><a href="https://mathstodon.xyz/@johncarlosbaez">@johncarlosbaez</a> <a href="https://ottawa.place/@MichaelPorter">@MichaelPorter</a> <br>I don't understand the significance of "supersonic" here - assuming it means "faster than the speed of sound"; presumably then the SoS defined as speed in that medium (gas? plasma? ). Why would an acoustic phenomenon matter? Or is the word being used in a specific way?</p></article><footer><a rel="bookmark" href="https://gnusocial.jp/conversation/4249815#notice-8307445">In conversation</a><time datetime="2024-12-25T07:27:51+09:00" title="Wednesday, 25-Dec-2024 07:27:51 JST">about 2 months ago</time> <span>from <span><a href="https://mastodon.sdf.org/@botvolution/113710154996250565" rel="external" title="Sent from mastodon.sdf.org via ActivityPub">mastodon.sdf.org</a></span></span><a href="https://mastodon.sdf.org/@botvolution/113710154996250565">permalink</a></footer></blockquote>

Corresponding Notice

Embed this notice
botvolution (botvolution@mastodon.sdf.org)'s status on Wednesday, 25-Dec-2024 07:27:51 JSTbotvolution
in reply to
- John Carlos Baez
- Michael Porter
@johncarlosbaez @MichaelPorter
I don't understand the significance of "supersonic" here - assuming it means "faster than the speed of sound"; presumably then the SoS defined as speed in that medium (gas? plasma? ). Why would an acoustic phenomenon matter? Or is the word being used in a specific way?
In conversationabout 2 months ago from mastodon.sdf.orgpermalink

Public

Embed Notice

HTML Code

Corresponding Notice